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Intronics, Inc.
F Series
Description
The F series of high current DC/DC converters offer current levels that are comparable to existing full-bricks. With a wide input voltage range of 36-75V or 18~36V, they are available with an output voltage of either 2.5, 3.3, 5 or 12 Volts. All models feature an input filter, input undervoltage lockout, output overvoltage and overtemperature protection, output current limiting and short circuit protection. The unique construction with aluminum heat spreader design achieves efficient heat transfer with no hot spots. The use of patented Flat Matrix Transformer technology and other patent-pending design concepts facilitate maximum power delivered. The converters combine creative design concepts with highly derated power devices to achieve very high reliability, high performance and offer a low cost solution to systems designers that are challenged to maximize power and minimize board space.
F200/400 FAMILY
HIGH DENSITY DC/DC CONVERTERS
200/400W Full Bricks
Approvals Pending
Features
*
* * * * * * Delivers up to 200/400w in Bull Brick High efficiency patented topology Low profile of only 0.50 inch 2.5V, 3.3V, 5V ,12V or 24V output modules -40C to +85 C ambient operation Meets Basic Insulation requirements of EN60950 UL 1950 recognized, TUV EN60950, and CSA C22.2
Specification Summary
* 100A @ 2.5V, 50A @ 3.3V, 80 @ 5V, 34A @ 12V and more * Tight output regulation, typical 1% * No minimum load required * Ripple & Noise ( 20Mhz BW) 100 mv (pk-pk) typical * Wide input operating range 36-75V, 18-36, or 200-400V * On/Off pin and remote sense * Output adjustment +/-10% range * Remote sense compensation * 1500V, 10M input-to-output isolation
No. 950 Certified and CE marked * Meets conducted limits of FCC Class B and CEI IEC61204-3 Class B with external filter
Applications
*
* * * * * * Telecommunications Data Communications Wireless Communications Networking Gear Servers, Switches and Data Storage Semiconductor Test Equipment Distributed Power Architecture
* Output overcurrent and overvoltage protection * Over Temperature protection * Input Under voltage protection * MTBF of 1,500,000 hours @ 50C ( Bellcore )
Intronics, Inc. - 1400 Providence Highway, Building 2, Norwood, MA 02062 Tel.: 781-551-5500 * Fax: 781-551-5555 * www.intronics.com * Email: sales@intronicspower.com F400 Rev. B 7/8/03
F 200/400 FAMILY
200/400W
Full Bricks
Intronics, Inc.
Product Brief
Part Number and Selection Information
Input Model Part Number Voltage (Volts) Nominal Current (A) No load Full load 4.5 5.4 5.4 7.2 8.0 10.8 0.7 0.9 0.9 0.6 12 11 10.9 10.7 10.6 1.8 1.7 1.7 1.7 1.6 Voltage (Volts) 3.3 5.0 12.0 3.3 5.0 12.0 3.3 5.0 12.0 15.0 3.3 5.0 12.0 15.0 24.0 3.3 5.0 12.0 15.0 24.0 Output Current (Amps) 50 40 17 40 30 34 40 40 17 10 100 80 34 27 17 100 80 34 27 17 Efficiency 75% Load (%) 77 78 79 77 78 79 77 78 79 80 77 78 79 80 81 77 78 79 80 81
F200-48S3.3 48 0.2 F200-48S5 48 0.2 F200-48S12 48 0.2 F200-24S3.3 24 0.2 F200-24S5 24 0.2 F400-24S12 24 0.2 F200-300S3.3 300 0.2 F200-300S5 300 0.2 F200-300S12 300 0.2 F200-300S15 300 0.2 F400-48S3.3 48 0.2 F400-48S5 48 0.2 F400-48S12 48 0.2 F400-48S15 48 0.2 F400-48S24 48 0.2 F400-300S3.3 300 0.2 F400-300S5 300 0.2 F400-300S12 300 0.2 F400-300S15 300 0.2 F400-300S24 300 0.2 Consult factory for other output voltage configurations
Outline Information and Pin-out
Pin Connection 1 2 3 4 5 6 7 8 9 Vin + On/Off NC Vin Vout-Sense Trim +Sense Vout + F200 0.04" 0.04" 0.04" 0.04" 0.08" 0.04" 0.04" 0.04" 0.08" F400 Pin Size 0.08" 0.08" 0.08" 0.08" 0.18" 0.08" 0.08" 0.08" 0.18" Pin # Function Pin Size
All dimensions are in inches [mm] 0.04"[ 1.016mm]; 0.08" [2.032mm] 0.18" [4.572mm] Pin material: Brass Pin finish: Tin/Lead plated Heat spreader (baseplate) material: Aluminum. Weight: 135g The information and specifications contained in this brief are believed to be accurate and reliable at the time of publication. Specifications are subject to change without notice. Refer to product specification sheet for performance characteristics and application guidelines.
Intronics, Inc. - 1400 Providence Highway, Building 2, Norwood, MA 02062
Tel.: 781-551-5500 * Fax: 781-551-5555 * www.intronics.com * Email: sales@intronicspower.com F400 Rev1 1/31/03
F 200/400 FAMILY F400-48 Series
200/400W
Full Bricks
Intronics, Inc.
Product Brief
48Vin 3.3, 5, 12, 15, 24Vout 400W
Electrical Specification
Typical test data at Ta=25C, Vin=48V unless otherwise noted.
PARAMETER
Absolute maximum rating Input voltage Operating case temperature Storage temperature Humidity Input characteristics Operating input voltage range Turn on voltage threshold Turn off voltage threshold Off converter input current Output characteristics Output voltage F400-48S3.3 F400-48S5 F400-48S12 F400-48S15 F400-48S24 Output current F400-48S3.3 F400-48S5 F400-48S12 F400-48S15 F400-48S24 Output voltage trim range Output voltage ripple and noise Output over power protection Over-voltage protection Over-temperature protection Temperature coefficient Output dynamic characteristics Startup time Transient recovery time Transient Peak Efficiency F400-48S3.3 F400-48S5 F400-48S12 F400-48S15 F400-48S24 Isolation characteristics Isolation voltage(primary to secondary) 1minute Isolation voltage (primary to case) Isolation voltage (secondary to case) Isolation resistance 1minute 1minute 36Vin
NOTES
MIN
0 -25 -40
TYP
MAX
80 100 125 95 75
UNIT
V C C % V V V mA
36 33.5 33 34 33.5 8
34.5 34
36-75Vin, no load to full load 36-75Vin, no load to full load 36-75Vin, no load to full load 36-75Vin, no load to full load 36-75Vin, no load to full load
3.25 4.85 11.7 14.3 22.8 0 0 0 0 0
3.30 5.00 12.0 15.0 24.0
3.35 5.15 12.3 15.7 25.2 100 80 40 30 20
V V V V V A A A A A % % Vnom % % C %/C ms s mv % % % % % VDC VDC VDC M
Percentage of normal output 20Mz bandwidth, 100% Load, 48Vin,
-10 1 110 125 125 105
+10 2 140 150 110 0.05 20 800 400 75 77 78 79 80 1500 1000 1000
5% to 95% of the output voltage 25% load change (2.0A/us) 25% load change (2.0A/us)
500VDC, Primary to secondary
10
Intronics, Inc. - 1400 Providence Highway, Building 2, Norwood, MA 02062
Tel.: 781-551-5500 * Fax: 781-551-5555 * www.intronics.com * Email: sales@intronicspower.com F400 Rev1 1/31/03
F 200/400 FAMILY F400-48 Series
200/400W Full Bricks 48Vin 3.3, 5, 12, 15, 24Vout 400W
Intronics, Inc.
Product Brief
Basic operation and functions
The F400 family uses planar transformer technology to achieve high output current. The whole unit switches at the fixed frequency for a predictable EMI performance. The F400 Brick has many standard controls and protection functions. Input Power ( pin1, pin4 ) Input power Vin(+) must be connected to Positive input voltage pin1; Input power Vin(-) must be connected to Negative input voltage pin4. Output Power ( pin9, pin5 ) Output power Vout(+) must be connected to Positive output voltage pin9; Output power Vout(-) must be connected to Negative output voltage pin5. On/Off ( pin 2 ) Permits the user to maintain unit On/Off, in order to properly sequence different power supplies and reduce power consumption during the standby condition. There is the remote control available, positive logic is referenced to Vin(-), and typical connections are shown in Fig 1. Pin 2 is the "Enable" pin, connecting a TTL compatible pin. A TTL control signal to this pin, according to the specification, will turn the unit on or off. The positive logic version turns on when pin 2 is at logic high, and turns off when pin 2 is at logic low. The unit is on when pin 2 is left open.
Remote Sense ( pin 8, pin 6 ) Permits the user to maintain the accurate output voltage at the remote load terminals regardless of the line drop. The Sense(-) (pin6) and Sense(+) (pin8) should be connected at the load or at the point where the regulation is needed. ( shown on Fig. 2)
Fig 2: Remote Sense Circuit
The remote sense feature of the unit compensates for voltage drop occurring between the output pins of the unit and load. The Sense(-) (pin5) and Sense(+)(pin7) should be connected at the load or at the point where regulation is required.
Fig. 1: Typical Circuit for On/Off Function
If remote Sense is not required, the Sense(-) pin must be connected to the Vout(-) pin (pin5), and
Intronics, Inc. - 1400 Providence Highway, Building 2, Norwood, MA 02062
Tel.: 781-551-5500 * Fax: 781-551-5555 * www.intronics.com * Email: sales@intronicspower.com F400 Rev1 1/31/03
F 200/400 FAMILY F400-48 Series
200/400W Full Bricks 48Vin 3.3, 5, 12, 15, 24Vout 400W
Intronics, Inc.
Product Brief
the Sense(+) pin must be connected to the Vout(+) pin(pin 9) to ensure the unit will regulate at the specified output voltage. If these connections are not made, the unit's output voltage will be higher than the specified value. The unit output over voltage protection senses the voltage across Vout(+) and Vout(-), and not across the sense lines, so the resistance between the output pins of the unit and the load should be minimized to prevent unwanted triggering of the OVP. When using the remote sense feature, the output voltage at the unit can be increased by as much as 10% above the normal rating, in order to maintain the required voltage across the load. Therefore, the designer must consider this condition. Also when using the remote sense function, the output power must be taken care of, as not to exceed the maximum power capability of the unit. Output Voltage Trim (pin 7) Permits the user to adjust the output voltage up or down to achieve the custom voltage or to make the output voltage margining. The adjustment range is from + 10% to -10%. Output voltage can be adjusted up or down, by connecting the Rtrim-up or Rtrim-down resistor as shown. Rtrim-up makes the output voltage go up to 10%; and the Rtrim-down makes the output voltage go down to 10%. Leave Trim pin ( Pin 7) open for normal output voltage.
When trimming up, care must be taken, not to exceed the unit OVP threshold. A typical circuit is shown in Fig. 3.
Fig 3. Trim Up Output Voltage Circuit
Trimming down the output voltage for a typical circuit, as shown on Fig. 4.
Fig 4. Trim Down Output Voltage Circuit
Intronics, Inc. - 1400 Providence Highway, Building 2, Norwood, MA 02602 2
Tel.: 781-551-5500 * Fax: 781-551-5555 * www.intronics.com * Email: sales@intronicspower.com F400 Rev1 1/31/03
F 200/400 FAMILY F400-48 Series
200/400W Full Bricks 48Vin 3.3, 5, 12, 15, 24Vout 400W
Intronics, Inc.
Product Brief
Protection Features
Input Under-voltage lockout ( IUV ) Input under voltage ( IUV ) is standard with the F400 unit. The unit will shut down when the input voltage drops below a threshold, and the unit will turn on when the input voltage goes to the upper threshold. The hysteretic voltage of the under voltage protection is 1V, normally from the 34V to 35V range. Output Over-current Protection ( OCP ) The unit will shut down when the over current or short circuit condition exists.
Output Current (A)
Over Temperature Protection ( OTP ) The unit will shut down when the base plate temperature exceeds the protection threshold. The unit will shut down under the base plate temperature over a 105C condition to protect the unit from overheating. The OTP circuit will turn the unit off when OTP happens. Once the unit has shut down, it will restart at the cycle when the base plate temperature goes down. Typical Derating Specificatins (F400-48S3.3) (Heatsink information is on the following page)
70 60 50 40 30 20 10
W / O HS W / HS
Once the OCP happens, the unit has shut down. The attempted restart will continue indefinitely until the over current or short circuit condition is removed. When OCP happens, the output voltage drops below 1.1V. Input voltage has almost no effect on the current limit point. Output Over-voltage Protection ( OVP ) The unit will shut down when the output voltage exceeds the over voltage threshold. If the output voltage across Vout(+) (pin9) and Vout(-) (pin5) exceeds the threshold of the OVP circuitry, the unit has shut down which is caused by an OVP circuit, and the unit will never restart, and the output voltage is below 1V.
0 0 20 40 60 80 100 Ambient Temp. (deg.C)
Fig 1. F400-48S3.3 Brick Temp. De-rating curves with and without Heatsink.
120 100 80 60 40 20 0 0 20 40 60 80 100 Ambient Temp. (deg. C)
Fig 2. F400-48S3.3 Brick Temp. De-rating curves with Heatsink at air forced condition.
Intronics, Inc. - 1400 Providence Highway, Building 2, Norwood, MA 02062
Tel.: 781-551-5500 * Fax: 781-551-5555 * www.intronics.com * Email: sales@intronicspower.com F400 Rev1 1/31/03
Output Current (A)
100LFM 200LFM 300LFM 400LFM
F 200/400 FAMILY F400-48 Series
200/400W Full Bricks 48Vin 3.3, 5, 12, 15, 24Vout 400W
Intronics, Inc.
Product Brief
Application information
Input Source Impedance The unit has been designed to be stable with no external capacitors when used in a low inductance input and output circuit. However in many applications, the inductance with the distribution from the power source to the input of the unit can affect the stability of the unit. The addition of 470uF electrolytic capacitor with an Esr < 1 (at 100khz) across the input can ensure the stability of the unit. Also in many applications, the user has to use decoupling capacitors at the output load, to ensure the hold up time for the load. Safety Requirements and Considerations The unit meets the American and International safety regulatory requirement UL1950. Basic insulation is also provided between the input side and the output side. To meet safety agencies requirements, an input line fuse must be used external to the unit. An 25A fuse or less with a normal blow rate must be used to meet the safety agencies requirements. A minimum 42LFM airflow should also be provided if the unit is intended to operate at full power without heatsink.
Heatsink Specifications (See previous page for derating information)
If the input source is non-SELV ( ELV or a hazardous voltage greater than 60 Vdc and less than or equal to 75 Vdc), for the unit output to be considered meeting the requirements of safety extra low voltage (SELV), all of the following must be met: * The input source is to be provided with reinforced insulation from any hazardous voltage, including the ac main. The input pins of the unit are not operator accessible. For whole system, for safety agencies requirements, and for the combination of the unit's input side (primary side) and the unit's output side (secondary side), verify that under a single fault, hazardous voltages do not appear at the unit's output side (secondary side). Never ground either of the input pins of the unit without grounding one of the output pins. This may allow a non-SELV voltage to appear between the output pin and ground.
* *
*
Heatsink Material: Heatsink Dimensions:
Aluminum Extrusion 2.44" x 4.60; x 0.78
Thermal Impedance = 3.0 C / W The converter can be operated at full load with appropriate forced air cooling or by using a lower resistance Heatsink.
Intronics, Inc. - 1400 Providence Highway, Building 2, Norwood, MA 02062
Tel.: 781-551-5500 * Fax: 781-551-5555 * www.intronics.com * Email: sales@intronicspower.com F400 Rev1 1/31/03

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