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Intelligent Power Module and Gate Drive Interface Hermetically Sealed Optocouplers Technical Data
Features
* Performance Specified Over Full Military Temperature Range: -55C to +125C * Fast Maximum Propagation Delays tPHL = 450 ns, tPLH = 650 ns * Minimized Pulse Width Distortion (PWD = 450 ns) * High Common Mode Rejection (CMR): 10 kV/s at VCM = 1000 V * CTR > 30% at IF = 10 mA * 1500 Vdc Withstand Test Voltage * Manufactured and Tested on a MIL-PRF-38534 Certified Line * Hermetically Sealed Packages * Dual Marked with Device Part Number and DSCC Drawing Number * QML-38534, Class H and K * HCPL-4506 Function Compatibility
HCPL-5300 HCPL-5301 HCPL-530K 5962-96852
Applications
* Military and Space * High Reliability Systems * Harsh Industrial Environments * Transportation, Medical, and Life Critical Systems * IPM Isolation * Isolated IGBT/MOSFET Gate Drive * AC and Brushless DC Motor Drives * Industrial Inverters
Description
The HCPL-530X devices consist of a GaAsP LED optically coupled to an integrated high gain photo detector in a hermetically sealed package. The products are
Schematic Diagram
capable of operation and storage over the full military temperature range and can be purchased as either standard product or with full MIL-PRF-38534 Class Level H or K testing or from the DSCC Drawing 5962-96852. All devices are manufactured and tested on a MIL-PRF-38534 certified line and are included in the DSCC Qualified Manufacturers List QML-38534 for Hybrid Microcircuits. Minimized propagation delay difference between devices make these optocouplers excellent solutions for improving inverter efficiency through reduced switching dead time. An on chip 20 k output pull-up resistor can be enabled by shorting output pins 6 and 7, thus eliminating the need for an external pull-up resistor in common IPM applications. Specifications and performance plots are given for typical IPM applications.
1 20 k 2
8
7
Truth Table
3 6
LED ON OFF
VO L H
4 SHIELD
5
The connection of a 0.1 F bypass capacitor between pins 5 and 8 is recommended.
CAUTION: It is advised that normal static precautions be taken in handling and assembly of this component to prevent damage and/or degradation which may be induced by ESD.
2
Selection Guide-Package Styles and Lead Configuration Options
Agilent Part # and Options Commercial MIL-PRF-38534, Class H MIL-PRF-38534, Class K Standard Lead Finish Solder Dipped Butt Cut/Gold Plate Gull Wing/Soldered Class H SMD Part # Prescript for all below Either Gold or Solder Gold Plate Solder Dipped Butt Cut/Gold Plate Butt Cut/Soldered Gull Wing/Soldered Class K SMD Part # Prescript for all below Either Gold or Solder Gold Plate Solder Dipped Butt Cut/Gold Plate Butt Cut/Soldered Gull Wing/Soldered 59629685201KPX 9685201KPC 9685201KPA 9685201KYC 9685201KYA 9685201KXA 59629685201HPX 9685201HPC 9685201HPA 9685201HYC 9685201HYA 9685201HXA HCPL-5300 HCPL-5301 HCPL-530K Gold Plate Option #200 Option #100 Option #300
Outline Drawing
9.40 (0.370) 9.91 (0.390) 0.76 (0.030) 1.27 (0.050) 4.32 (0.170) MAX. 8.13 (0.320) MAX. 7.16 (0.282) 7.57 (0.298)
0.51 (0.020) MIN.
3.81 (0.150) MIN.
0.20 (0.008) 0.33 (0.013)
2.29 (0.090) 2.79 (0.110)
0.51 (0.020) MAX. NOTE: DIMENSIONS IN MILLIMETERS (INCHES).
7.36 (0.290) 7.87 (0.310)
3
Device Marking
Agilent DESIGNATOR Agilent P/N DSCC SMD* DSCC SMD* PIN ONE/ ESD IDENT A QYYWWZ XXXXXX XXXXXXX XXX XXX 50434 * QUALIFIED PARTS ONLY COMPLIANCE INDICATOR,* DATE CODE, SUFFIX (IF NEEDED) COUNTRY OF MFR. Agilent CAGE CODE*
Hermetic Optocoupler Options
Option 100 Description Surface mountable hermetic optocoupler with leads trimmed for butt joint assembly. This option is available on commercial and hi-rel product in 8 pin DIP (see drawings below for details).
4.32 (0.170) MAX.
0.51 (0.020) MIN. 2.29 (0.090) 2.79 (0.110)
1.14 (0.045) 1.40 (0.055) 0.51 (0.020) MAX. NOTE: DIMENSIONS IN MILLIMETERS (INCHES).
0.20 (0.008) 0.33 (0.013) 7.36 (0.290) 7.87 (0.310)
200
Lead finish is solder dipped rather than gold plated. This option is available on commercial and hi-rel product in 8 pin DIP. DSCC Drawing part numbers contain provisions for lead finish. Surface mountable hermetic optocoupler with leads cut and bent for gull wing assembly. This option is available on commercial and hi-rel product in 8 pin DIP (see drawings below for details). This option has solder dipped leads.
300
4.57 (0.180) MAX. 0.20 (0.008) 0.33 (0.013) 9.65 (0.380) 9.91 (0.390)
4.57 (0.180) MAX.
0.51 (0.020) MIN. 2.29 (0.090) 2.79 (0.110)
1.40 (0.055) 1.65 (0.065) 0.51 (0.020) MAX.
5 MAX.
NOTE: DIMENSIONS IN MILLIMETERS (INCHES).
4
Absolute Maximum Ratings
Storage Temperature (TS) ............................................................................................................. -65 to 150C Operating Temperature (TA) ......................................................................................................... -55 to 125C Junction Temperature (TJ) ...................................................................................................................... 175C Average Input Current (IF(AVG)) ............................................................................................................... 25 mA Peak Input Current (50% duty cycle, 1 ms pulse width) (IF(PEAK)) ........................................................ 50 mA Peak Transient Input Current (<1 s pulse width, 300 pps) (IF(TRAN)) ..................................................... 1.0 A Reverse Input Voltage (Pin 3-2) (VR) ............................................................................................................ 5 V Average Output Current (Pin 6) (IO(AVG)) ................................................................................................ 15 mA Resistor Voltage (Pin 7) (V7) ......................................................................................................... -0.5 V to VCC Output Voltage (Pin 6-5) (VO) ........................................................................................................ -0.5 to 30 V Supply Voltage (Pin 8-5) (VCC) ....................................................................................................... -0.5 to 30 V Output Power Dissipation (PO) ............................................................................................................. 100 mW Total Power Dissipation (PT) ................................................................................................................ 145 mW Lead Solder Temperature (soldering, 10 seconds) .................................................................................. 260C
ESD Classification
(MIL-STD-883, Method 3015).....................(),Class 1
Recommended Operating Conditions
Parameter Power Supply Voltage Output Voltage Input Current (ON) Input Voltage (OFF) Symbol VCC VO IF(ON) VF(OFF) Min. 4.5 0 10 -5 Max. 30 30 20 0.8 Units Volts Volts mA V
5
Electrical Specifications
Over recommended operating conditions (TA = -55C to +125C, VCC = +4.5 V to 30 V, IF(ON) = 10 mA to 20 mA, VF(OFF) = -5 V to 0.8 V) unless otherwise specified. Group A SubSymbol groups[12] Min. Typ.* Max. Units CTR IOL VOL ITH IOH ICCH ICCL VF VF / TA BVR CIN II-O 1 1, 2, 3 5 90 1.0 1, 2, 3 1, 2, 3 1, 2, 3 1, 2, 3 1, 2, 3 1, 2, 3 1, 2, 3 1, 2, 3 1.0 30 3.0 90 9.0 0.3 1.5 5 0.6 0.6 1.5 -1.6 0.6 5.0 75 1.5 1.5 1.8 % mA V mA A mA mA V
Parameter Current Transfer Ratio Low Level Output Current Low Level Output Voltage Input Threshold Current High Level Output Current High Level Supply Current Low Level Supply Current Input Forward Voltage Temperature Coefficient of Forward Voltage Input Reverse Breakdown Voltage Input Capacitance Input-Output Insulation Leakage Current Resistance (Input-Output) Capacitance (Input-Output) Internal Pull-up Resistor Internal Pull-up Resistor Temperature Coefficient
Test Conditions IF = 10 mA, VO = 0.6 V IF = 10 mA, VO = 0.6 V IO = 2.4 mA VO = 0.8 V, IO = 0.75 mA VF = 0.8 V VF = 0.8 V, VO = Open IF = 10 mA, VO = Open IF = 10 mA
Fig. Note 1 1, 2
1 3
7
7 7 4
mV/C IF = 10 mA
V pF A
IR = 100 A f = 1 MHz, VF = 0 V RH = 45%, t = 5 sec, VI-O = 1500 Vdc, TA = 25C VI-O = 500 Vdc f = 1 MHz TA = 25C 2
RI-O CI-O RL RL/ TA 1 14
1012 2.4 20 0.014 28
pF k k/C
2 2 4, 5, 6
*All typical values at 25C, VCC = 15 V.
6
Switching Specifications (RL= 20 k External)
Over recommended operating conditions: (TA = -55C to +125C, VCC = +4.5 V to 30 V, IF(ON) = 10 mA to 20 mA, VF(OFF) = -5 V to 0.8 V) unless otherwise specified.
Parameter Propagation Delay Time to Low Output Level Propagation Delay Time to High Output Level Pulse Width Distortion Propagation Delay Difference Between Any Two Parts Output High Level Common Mode Immunity Transient Output Low Level Common Mode Transient Immunity Group A Symbol Subgrps.[12] Min. Typ.* Max. Units tPHL 9, 10, 11 30 180 100 tPLH 9, 10, 11 250 350 130 PWD tPLH tPHL 9, 10, 11 9, 10, 11 150 -170 140 450 500 ns ns 650 450 ns ns ns Test Conditions CL = 100 pF CL = 10 pF CL = 100 pF CL = 10 pF CL = 100 pF IF(on) = 10 mA, VF(off) = 0.8 V, VCC = 15.0 V, , VTHLH = 2.0 V VTHHL = 1.5 V Fig. 5, 7, 9-12 Note 3, 4, 5, 6, 7
11 8
|CMH|
9
10
17
kV/s
IF = 0 mA, VCC = 15.0 V, 6, 17, 9, 13 18, 21 VO > 3.0 V CL = 100 pF, VCM = 1000 VP-P T = 25C A IF = 10 mA VO < 1.0 V 10, 13
|CML|
9
10
17
kV/s
*All typical values at 25C, VCC = 15 V.
7
Switching Specifications (RL= Internal Pull-up)
Over recommended operating conditions: (TA = -55C to +125C, VCC = +4.5 V to 30 V, IF(ON) = 10 mA to 20 mA, VF(OFF) = -5 V to 0.8 V) unless otherwise specified.
Parameter Propagation Delay Time to Low Output Level Propagation Delay Time to High Output Level Pulse Width Distortion Propagation Delay Difference Between Any Two Parts Output High Level Common Mode Transient Immunity Output Low Level Common Mode Transient Immunity Power Supply Rejection Group A Symbol Subgrps.[12] Min. Typ.* Max. Units tPHL 9, 10, 11 20 185 500 ns Test Conditions IF(on) = 10 mA, VF(off) = 0.8 V, VCC = 15.0 V, CL = 100 pF, VTHLH = 2.0 V VTHHL = 1.5 V Fig. 5, 8, Note 3, 4, 5, 6, 7
tPLH
9, 10, 11
220
415
750
ns
PWD tPLH tPHL
9, 10, 11 9, 10, 11
150 -225 150
600 650
ns ns
11 8
|CMH|
10
kV/s
IF = 0 mA, VCC = 15.0 V, VO > 3.0 V CL = 100 pF, VCM = 1000 TA = 25C IF = 16 mA VO < 1.0 V
6, 21
9
|CML|
10
kV/s
10
PSR
1.0
VP-P
Square Wave, tRISE, tFALL > 5 ns, no bypass capacitors.
7
*All typical values at 25C, VCC = 15 V. Notes: 1. CURRENT TRANSFER RATIO in percent is defined as the ratio of output collector current (IO) to the forward LED input current (IF) times 100. 2. Device considered a two-terminal device: Pins 1, 2, 3 and 4 shorted together and Pins 5, 6, 7 and 8 shorted together. 3. Pulse: f = 20 kHz, Duty Cycle = 10% 4. The internal 20 k resistor can be used by shorting pins 6 and 7 together. 5. Due to the tolerance of the internal resistor, and since propagation delay is dependent on the load resistor value, performance can be improved by using an external 20 k 1% load resistor. For more information on how propagation delay varies with load resistance, see Figure 8. 6. The R L = 20 k, CL = 100 pF represents a typical IPM (Intelligent Power Module) load. 7. Use of a 0.1 F bypass capacitor connected between pins 5 and 8 can improve performance by filtering power supply line noise. 8. The difference in tPLH and tPHL between any two parts under the same test condition. (See IPM Dead Time and Propagation Delay Specifications section.) 9. Common mode transient immunity in a Logic High level is the maximum tolerable dVCM /dt of the common mode pulse, VCM, to assure that the output will remain in a Logic High state (i.e., VO > 3.0 V). 10. Common mode transient immunity in a Logic Low level is the maximum tolerable dVCM /dt of the common mode pulse, V CM, to assure that the output will remain in a Logic Low state (i.e., VO < 1.0 V). 11. Pulse Width Distortion (PWD) is defined as the difference between tPLH and tPHL for any given device. 12. Standard parts receive 100% testing at 25C (Subgroups 1 and 9). Hi-Rel and SMD parts receive 100% testing at 25C, +125C, and -55C (Subgroups 1 and 9, 2 and 10, 3 and 11 respectively). 13. Parameters are tested as part of device initial characterization and after design and process changes. Parameters are guaranteed to limits specified for all lots not specifically tested.
8
LED Drive Circuit Considerations For Ultra High CMR Performance
Without a detector shield, the dominant cause of optocoupler CMR failure is capacitive coupling from the input side of the optocoupler, through the package, to the detector IC as shown in Figure 14. The HCPL530X improves CMR performance by using a detector IC with an optically transparent Faraday shield, which diverts the capacitively coupled current away from the sensitive IC circuitry. However, this shield does not eliminate the capacitive coupling between the LED and the optocoupler output pins and output ground as shown in Figure 15. This capacitive coupling causes perturbations in the LED current during common mode transients and becomes the major source of CMR failures for a shielded optocoupler. The main design objective of a high CMR LED drive circuit becomes keeping the LED in the proper state (on or off) during common mode transients. For example, the recommended application circuit (Figure 13), can achieve 10 kV/s CMR while minimizing component complexity. Note that a CMOS gate is recommended in Figure 13 to keep the LED off when the gate is in the high state. Another cause of CMR failure for a shielded optocoupler is direct coupling to the optocoupler output pins through CLEDO1 and CLEDO2 in Figure 15. Many factors influence the effect and magnitude of the direct coupling including: the use of an internal or external output pull-up resistor, the position of the LED current setting resistor, the connection of the unused input
package pins, and the value of the capacitor at the optocoupler output (CL). Techniques to keep the LED in the proper state and minimize the effect of the direct coupling are discussed in the next two sections.
CMR With The LED On (CMRL)
A high CMR LED drive circuit must keep the LED on during common mode transients. This is achieved by overdriving the LED current beyond the input threshold so that it is not pulled below the threshold during a transient. The recommended minimum LED current of 10 mA provides adequate margin over the maximum ITH of 5.0 mA (see Figure 1) to achieve 10 kV/s CMR. Capacitive coupling is higher when the internal load resistor is used (due to CLEDO2) and an IF = 16mA is required to obtain 10 kV/s CMR. The placement of the LED current setting resistor affects the ability of the drive circuit to keep the LED on during transients and interacts with the direct coupling to the optocoupler output. For example, the LED resistor in Figure 16 is connected to the anode. Figure 17 shows the AC equivalent circuit for Figure 16 during common mode transients. During a +dVCM/dt in Figure 17, the current available at the LED anode (ITOTAL) is limited by the series resistor. The LED current (IF) is reduced from its DC value by an amount equal to the current that flows through CLEDP and C LEDO1. The situation is made worse because the current through CLEDO1 has the effect of trying to pull the output high
(toward a CMR failure) at the same time the LED current is being reduced. For this reason, the recommended LED drive circuit (Figure 13) places the current setting resistor in series with the LED cathode. Figure 18 is the AC equivalent circuit for Figure 13 during common mode transients. In this case, the LED current is not reduced during a +dVCM/dt transient because the current flowing through the package capacitance is supplied by the power supply. During a -dVCM/dt transient, however, the LED current is reduced by the amount of current flowing through CLEDN. But better CMR performance is achieved since the current flowing in CLEDO1 during a negative transient acts to keep the output low. Coupling to the LED and output pins is also affected by the connection of pins 1 and 4. If CMR is limited by perturbations in the LED on current, as it is for the recommended drive circuit (Figure 13), pins 1 and 4 should be connected to the input circuit common. However, if CMR performance is limited by direct coupling to the output when the LED is off, pins 1 and 4 should be left unconnected.
CMR With The LED Off (CMRH)
A high CMR LED drive circuit must keep the LED off (VF VF(OFF)) during common mode transients. For example, during a +dVCM/dt transient in Figure 18, the current flowing through CLEDN is supplied by the parallel combination of the LED and series resistor. As long as the voltage developed across the resistor is less than VF(OFF) the LED will remain off and no
9
common mode failure will occur. Even if the LED momentarily turns on, the 100 pF capacitor from pins 6-5 will keep the output from dipping below the threshold. The recommended LED drive circuit (Figure 13) provides about 10 V of margin between the lowest optocoupler output voltage and a 3 V IPM threshold during a 10 kV/ s transient with VCM = 1000 V. Additional margin can be obtained by adding a diode in parallel with the resistor, as shown by the dashed line connection in Figure 18, to clamp the voltage across the LED below VF(OFF). Since the open collector drive circuit, shown in Figure 19, cannot keep the LED off during a +dVCM/dt transient, it is not desirable for applications requiring ultra high CMRH performance. Figure 20 is the AC equivalent circuit for Figure 16 during common mode transients. Essentially all the current flowing through CLEDN during a +dVCM/dt transient must be supplied by the LED. CMRH failures can occur at dv/dt rates where the current through the LED and CLEDN exceeds the input threshold. Figure 21 is an alternative drive circuit which does achieve ultra high CMR performance by shunting the LED in the off state.
IPM Dead Time and Propagation Delay Specifications
These devices include a Propagation Delay Difference specification intended to help designers minimize "dead time" in their power inverter designs. Dead time is the time period during which both the high and low side power transistors (Q1 and Q2 in Figure 22) are off. Any overlap in Q1 and Q2 conduction will result in large currents flowing through the power devices between the high and low voltage motor rails. To minimize dead time the designer must consider the propagation delay characteristics of the optocoupler as well as the characteristics of the IPM IGBT gate drive circuit. Considering only the delay characteristics of the optocoupler (the characteristics of the IPM IGBT gate drive circuit can be analyzed in the same way) it is important to know the minimum and maximum turn-on (tPHL) and turn-off (tPLH) propagation delay specifications, preferably over the desired operating temperature range. The limiting case of zero dead time occurs when the input to Q1 turns off at the same time that the input to Q2 turns on. This case determines the minimum delay between LED1 turn-off and LED2
turn-on, which is related to the worst case optocoupler propagation delay waveforms, as shown in Figure 23. A minimum dead time of zero is achieved in Figure 23 when the signal to turn on LED2 is delayed by (tPLH max tPHL min ) from the LED1 turn off. This delay is the maximum value for the propagation delay difference specification which is specified at 500 ns for the HCPL-530X over an operating temperature range of -55C to +125C. Delaying the LED signal by the maximum propagation delay difference ensures that the minimum dead time is zero, but it does not tell a designer what the maximum dead time will be. The maximum dead time occurs in the highly unlikely case where one optocoupler with the fastest tPLH and another with the slowest tPHL are in the same inverter leg. The maximum dead time in this case becomes the sum of the spread in the tPLH and t PHL propagation delays as shown in Figure 24. The maximum dead time is also equivalent to the difference between the maximum and minimum propagation delay difference specifications. The maximum dead time (due to the optocouplers) for the HCPL-530X is 670 ns (= 500 ns - (-170 ns)) over an operating temperature range of -55C to +125C.
10
10
NORMALIZED OUTPUT CURRENT
IOH - HIGH LEVEL OUTPUT CURRENT - A
1.0 0.9 0.8 0.7 0.6 0.5
25 VF = 0.8 V VCC = VO = 30 V 20
IO - OUTPUT CURRENT - mA
8
6
15
4 VO = 0.6 V 2 0 125 C 25 C -55 C 0 5 10 15 20
10
IF = 10 mA VO = 0.6 V
5
0 -60 -40 -20 0 20 40 60 80 100 120 140 TA - TEMPERATURE - C
0 -60 -40 -20 0 20 40 60 80 100 120 140 TA - TEMPERATURE - C
IF - FORWARD LED CURRENT - mA
Figure 1. Typical Transfer Characteristics.
Figure 2. Normalized Output Current vs. Temperature.
Figure 3. High Level Output Current vs. Temperature.
1000
IF - FORWARD CURRENT - mA
TA = 25C IF VF - +
100 10 1.0 0.1 0.01
0.001 1.10
1.20
1.30
1.40
1.50
1.60
VF - FORWARD VOLTAGE - VOLTS
Figure 4. Input Current vs. Forward Voltage.
1
IF(ON) =10 mA +
8 20 k
0.1 F 20 k + - VCC = 15 V If VO tf 90% VTHHL 10% 10% 90% VTHLH tr
2 5V
7
-
3
6
CL *
VOUT
4 SHIELD
5
*TOTAL LOAD CAPACITANCE
tPHL
tPLH
Figure 5. Propagation Delay Test Circuit.
11
1
8 20 k
IF
2
0.1 F
7
20 k + -
VCM
B
A
3 6
VCC = 15 V
VOUT 100 pF*
OV t
V = VCM t t
+ VFF -
4 SHIELD
5
*100 pF TOTAL CAPACITANCE
VO SWITCH AT A: IF = 0 mA
VCC
+
VO
-
VCM = 1000 V
SWITCH AT B: IF = 10 mA
VOL
Figure 6. CMR Test Circuit. Typical CMR Waveform.
600
tP - PROPAGATION DELAY - ns
tP - PROPAGATION DELAY - ns
600
tP - PROPAGATION DELAY - ns
800
500
IF = 10 mA VCC = 15 V CL = 100 pF RL = 20 k (EXTERNAL)
500
IF = 10 mA VCC = 15 V CL = 100 pF RL = 20 k (INTERNAL)
600
400 tPLH tPHL
400 tPLH tPHL
IF = 10 mA VCC = 15 V CL = 100 pF TA = 25 C tPLH tPHL
400
300
300
200 100 -60 -40 -20 0 20 40 60 80 100 120 140 TA - TEMPERATURE - C
200 100 -60 -40 -20 0 20 40 60 80 100 120 140 TA - TEMPERATURE - C
200
0
10
20
30
40
50
RL - LOAD RESISTANCE - K
Figure 7. Propagation Delay with External 20 k RL vs. Temperature.
Figure 8. Propagation Delay with Internal 20 k RL vs. Temperature.
Figure 9. Propagation Delay vs. Load Resistance.
1400
tP - PROPAGATION DELAY - ns
1200
1000 800 600 400 200 0 0
tP - PROPAGATION DELAY - ns
IF = 10 mA VCC = 15 V RL = 20 k TA = 25C tPLH tPHL
1400 1200
IF = 10 mA CL = 100 pF RL = 20 k TA = 25C tPLH tPHL
1000 800 600 400 200 0 5 10 15 20
100
200
300
400
500
25
30
CL - LOAD CAPACITANCE - pF
VCC - SUPPLY VOLTAGE - V
Figure 10. Propagation Delay vs. Load Capacitance.
Figure 11. Propagation Delay vs. Supply Voltage.
12
500
tP - PROPAGATION DELAY - ns
400
VCC = 15 V CL = 100 pF RL = 20 k TA = 25C
tPLH tPHL
300
200
100
0
5
10
15
20
IF - FORWARD LED CURRENT - mA
Figure 12. Propagation Delay vs. Input Current.
1 20 k
+5 V 310 CMOS
8
0.1 F 20 k + - VCC = 15 V
1
CLEDP
8 20 k 7
2
7
2
3
6
VOUT 100 pF
3
CLEDN
6
4 SHIELD
5
*100 pF TOTAL CAPACITANCE
4 SHIELD
5
Figure 13. Recommended LED Drive Circuit.
Figure 14. Optocoupler Input to Output Capacitance Model for Unshielded Optocouplers.
1
CLEDP
8
1
+5 V
8 20 k
0.1 F 20 k + - VCC = 15 V
20 k
CLED02 CLED01
2
7
310
2
7
3
CLEDN
6
3
CMOS
6
VOUT 100 pF
4 SHIELD
5
4 SHIELD
5
*100 pF TOTAL CAPACITANCE
Figure 15. Optocoupler Input to Output Capacitance Model for Shielded Optocouplers.
Figure 16. LED Drive Circuit with Resistor Connected to LED Anode (Not Recommended).
13
1
ITOTAL* 300
ICLEDP
8 20 k
CLED02 CLED01 20 k
1
CLEDP
8 20 k
CLED02 CLED01 20 k
2
IF
CLEDP
7
VOUT 100 pF
2
300
7
VOUT
ICLED01
3
CLEDN
6
3
CLEDN
ICLEDN*
6
100 pF
4 SHIELD
5
+ VR** -
4 SHIELD
5
* THE ARROWS INDICATE THE DIRECTION OF CURRENT FLOW FOR +dVCM/dt TRANSIENTS.
+
* THE ARROWS INDICATE THE DIRECTION OF CURRENT FLOW FOR +dVCM/dt TRANSIENTS. ** OPTIONAL CLAMPING DIODE FOR IMPROVED CMH PERFORMANCE. VR < VF (OFF) DURING +dVCM/dt.
VCM
Figure 17. AC Equivalent Circuit for Figure 16 During Common Mode Transients.
Figure 18. AC Equivalent Circuit for Figure 13 During Common Mode Transients.
1
CLEDP
-
VCM
-
+
8 20 k
CLED02 CLED01 20 k
1 +5 V 2 20 k
8
Q1
2
7
VOUT
7
3
CLEDN
ICLEDN*
6
100 pF
3 Q1 4 SHIELD
6
4 SHIELD
5
5
* THE ARROWS INDICATE THE DIRECTION OF CURRENT FLOW FOR +dVCM/dt TRANSIENTS.
+
VCM
Figure 19. Not Recommended Open Collector LED Drive Circuit.
Figure 20. AC Equivalent Circuit for Figure 19 During Common Mode Transients.
1 +5 V 2 20 k
8
7
3
6
4 SHIELD
5
Figure 21. Recommended LED Drive Circuit for Ultra High CMR.
-
14
HCPL-5300
1 8 20 k 2 7
VCC1 0.1 F 20 k +HV VOUT1 Q1 IPM
I +5 V
LED1
310 CMOS
3
6
4 SHIELD
5
M
HCPL-5300
1 8 20 k 2 7
Q2 VCC2 0.1 F 20 k
HCPL-5300 HCPL-5300 HCPL-5300
-HV
I +5 V
LED2
310 CMOS
3
6
VOUT2
HCPL-5300 HCPL-5300
4 SHIELD
5
Figure 22. Typical Application Circuit.
ILED1
Q1 OFF VOUT1 VOUT2 Q1 ON Q2 OFF Q2 ON
ILED2 tPLH MAX. tPHL
MIN.
PDD* MAX. = (tPLH-tPHL) MAX. = tPLH MAX. - tPHL MIN.
*PDD = PROPAGATION DELAY DIFFERENCE
NOTE: THE PROPAGATION DELAYS USED TO CALCULATE PDD ARE TAKEN AT EQUAL TEMPERATURES.
Figure 23. Minimum LED Skew for Zero Dead Time.
15
ILED1
Q1 OFF VOUT1 VOUT2 Q1 ON Q2 OFF Q2 ON
MIL-PRF-38534 Class H, Class K, and DSCC SMD Test Program
Agilent Technologies' Hi-Rel Optocouplers are in compliance with MIL-PRF-38534 Classes H and K. Class H and Class K devices are also in compliance with DSCC drawing 5962-96852. Testing consists of 100% screening and quality conformance inspection to MIL-PRF-38534.
ILED2 tPLH
MIN.
tPLH MAX. PDD* MAX. tPHL
MIN.
tPHL MAX. MAX. DEAD TIME MAXIMUM DEAD TIME (DUE TO OPTOCOUPLER)
= (tPLH MAX. - tPLH MIN.) + (tPHL MAX. - tPHL MIN.) = (tPLH MAX. - tPHL MIN.) - (tPLH MIN. - tPHL MAX.) = PDD* MAX. - PDD* MIN.
*PDD = PROPAGATION DELAY DIFFERENCE
NOTE: THE PROPAGATION DELAYS USED TO CALCULATE THE MAXIMUM DEAD TIME ARE TAKEN AT EQUAL TEMPERATURES.
Figure 24. Waveforms for Dead Time Calculations.
www.semiconductor.agilent.com Data subject to change. Copyright (c) 2000 Agilent Technologies Obsoletes 5967-5808E 5968-9402E (10/00)

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