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PHOTOCOUPLER
PS2845-4A
WORLD'S SMALLEST CLASS, FOUR CHANNELS 12-PIN ULTRA SMALL SOP PHOTOCOUPLER
-NEPOC Series-
DESCRIPTION
The PS2845-4A is an optically coupled isolator containing GaAs light emitting diodes and NPN silicon phototransistors. This product includes four channels in a single package for high-density mounting applications. The PS2845-4A is the world's smallest class of photocouplers and realizes about 50% reduction in mounting area compared with the PS280x and PS281x Series.
FEATURES
* Ultra small and thin package (12-pin ultra small SOP, Pin pitch 0.8 mm, 4.4 (L) x 5.6 (W) x 2.5 (H)) * Common lead anode, cathode, collector common
12 11 10 9 8 7
PIN CONNECTIONS (Top View)
* High current transfer ratio (CTR = 200% TYP. @ IF = 1mA) * High isolation voltage (BV = 1 500 Vr.m.s.) * Pb-Free product * Ordering number of tape product: PS2845-4A-F3, F4: 2 500 pcs/reel
* Safety standards * UL approved: File No. E72422
123456
APPLICATIONS
* Programmable logic controllers (PLCs) * Input and output for function automation * Hybrid IC
Channel Anode, Cathode Cathode, Anode Emitter Collector 1 ch 2 11 1, 6 common 7, 12 common 2 ch 3 10 1, 6 common 7, 12 common 3 ch 4 9 1, 6 common 7, 12 common 4 ch 5 8 1, 6 common 7, 12 common
Document No. PN10203EJ03V0DS (3rd edition) Date Published April 2005 CP(K)
The mark
shows major revised points.
PS2845-4A
PACKAGE DIMENSIONS (UNIT: mm)
5.60.3 12 7
1
6
7.00.3 4.4
2.5+0.3 -0.2
0.10.1
0.8
0.15+0.10 -0.05
0.50.3
0.12 M
0.30.1
MARKING EXAMPLE
2845A N 003 No. 1 pin Mark
Type Number*1 *2 Assembly Lot
N 0 03
*1 Applicable type numbers are underlined below PS2845-4A Week Assembled Year Assembled (Last 1 Digit) CTR Rank Code
*2 For the external plating Pb-Free product, L is indicated at the second digit of the rank.
2
Data Sheet PN10203EJ03V0DS
PS2845-4A
ORDERING INFORMATION
Part Number
Order Number
Solder Plating Specification
Packing Style
Safety Standard Approval
Application Part Number PS2845-4A
*1
PS2845-4A-F3 PS2845-4A-F4 PS2845-4A-F3 PS2845-4A-F4
PS2845-4A-F3 PS2845-4A-F4 PS2845-4A-F3-A PS2845-4A-F4-A
Solder contains lead Pb-Free
Embossed Tape 2 500 pcs/reel
Standard products (UL Approved)
*1 For the application of the Safety Standard, following part number should be used.
ABSOLUTE MAXIMUM RATINGS (Unless otherwise specified, TA = 25C)
Parameter Diode Forward Current (DC) Power Dissipation Derating Peak Forward Current Transistor
*1
Symbol IF
Ratings 20 0.2 0.5 70 5 20 0.4 40 1 500 -40 to +100 -55 to +125
Unit mA/ch mA/C A V V mA/ch mW/C mW/ch Vr.m.s. C C
IF/C
IFP VCEO VECO IC
Collector to Emitter Voltage Emitter to Collector Voltage Collector Current Power Dissipation Derating Power Dissipation
PC/C
PC BV TA Tstg
Isolation Voltage
*2
Operating Ambient Temperature Storage Temperature
*1 PW = 100 s, Duty Cycle = 1% *2 AC voltage for 1 minute at TA = 25C, RH = 60% between input and output. Pins 1-6 shorted together, 7-12 shorted together.
Data Sheet PN10203EJ03V0DS
3
PS2845-4A
ELECTRICAL CHARACTERISTICS (TA = 25C)
Parameter Diode Forward Voltage Terminal Capacitance Transistor Coupled Collector to Emitter Current Current Transfer Ratio (IC/IF) Optical Leakage Current
*1
Symbol VF Ct ICEO CTR IL IF = 1 mA
Conditions
MIN. 0.9
TYP. 1.1 30
MAX. 1.2
Unit V pF
V = 0 V, f = 1 MHz IF = 0 mA, VCE = 24 V IF = 1 mA, VCE = 0.4 V IF = 5 mA, VCE = 24 V IF = 1 mA, IC = 0.2 mA VI-O = 1 kVDC V = 0 V, f = 1 MHz VCC = 5 V, IF = 1 mA, RL = 5 k 10
11
100 100 200 400 100
nA % nA
(1 to 2-ch, 2 to 3-ch, 3 to 4-ch) Collector Saturation Voltage Isolation Resistance Isolation Capacitance Turn-on Time Turn-off Time
*2 *2
VCE (sat) RI-O CI-O ton toff
0.13
0.3
V
0.4 20 110
pF
s
*1 The optically induced leakage current is current which can be measured at transistor if LED = "ON" and LED = "OFF". LED of channel 1 is switched to "ON". At Tr-output of channel 2 a voltage is applied and one can measure a current between emitter and collector. This is leakage current (at IF = 5 mA, VCEO = 24 V). Measurement circuits for optical leakage current E.g. : In the case of 1 to 2-ch
IF
1 2 3 4 5 6 12 11 10 9 8 7
A
IL
*2 Test circuit for switching time
Pulse Input PW = 100 s Duty cycle = 1/10 IF In monitor 50 RL = 5 k VOUT VCC
4
Data Sheet PN10203EJ03V0DS
PS2845-4A
TYPICAL CHARACTERISTICS (Unless otherwise specified, TA = 25C)
MAXIMUM FORWARD CURRENT vs. AMBIENT TEMPERATURE
Transistor Power Dissipation PC (mW)
40 70 60 50 40 0.4 mW/C 30 20 10 0 25 50 75 100 125
TRANSISTOR POWER DISSIPATION vs. AMBIENT TEMPERATURE
Maximum Forward Current IF (mA)
30
20 0.2 mA/C 10
0
25
50
75
100
Ambient Temperature TA (C)
Ambient Temperature TA (C)
FORWARD CURRENT vs. FORWARD VOLTAGE
100
COLLECTOR CURRENT vs. COLLECTOR TO EMITTER VOLTAGE
20 18
10
TA = +100C +60C +25C
Collector Current IC (mA)
Forward Current IF (mA)
16 IF = 10 mA 14 12 10 8 6 4 2 1 mA
0.5 mA
1 0C -25C -40C
5 mA 2 mA
0.1
0.01 0.0
0.5
1.0
1.5
2.0
0
1
2
3
4
5
6
7
8
9
10
Forward Voltage VF (V)
Collector to Emitter Voltage VCE (V)
COLLECTOR TO EMITTER DARK CURRENT vs. AMBIENT TEMPERATURE
Collector to Emitter Dark Current ICEO (nA)
10 000
COLLECTOR CURRENT vs. COLLECTOR SATURATION VOLTAGE
100 CTR = 160% Collector Current IC (mA)
1 000 VCE = 24 V 70 V 100
10
10 mA 5 mA 2 mA 1 mA
1 IF = 0.5 mA
10
1 -25
0
25
50
75
100
0.1 0.0
0.2
0.4
0.6
0.8
1.0
Ambient Temperature TA (C)
Collector Saturation Voltage VCE (sat) (V)
Remark The graphs indicate nominal characteristics.
Data Sheet PN10203EJ03V0DS
5
PS2845-4A
NORMALIZED CURRENT TRANSFER RATIO vs. AMBIENT TEMPERATURE
Normalized Current Transfer Ratio CTR
1.6 400
CURRENT TRANSFER RATIO vs. FORWARD CURRENT
Current Transfer Ratio CTR (%)
VCE = 0.4 V 350 300 250 200 150 100 50 0 0.01 0.1 1 10 100
1.4 1.2 1.0 0.8 0.6 0.4
Normalized to 1.0 0.2 at TA = 25C, IF = 1 mA, VCE = 0.4 V 0.0 0 25 -40 -25
50
75
100
Ambient Temperature TA (C)
Forward Current IF (mA)
SWITCHING TIME vs. LOAD RESISTANCE
100 IC = 2 mA, VCC = 5 V, CTR = 160% tf tr 10 000
SWITCHING TIME vs. LOAD RESISTANCE
IF = 1 mA, VCC = 5 V, CTR = 160%
tf
Switching Time t (s)
10 td ts 1
Switching Time t (s)
1 000 ts 100 tr 10 td
0.1 10
50 100
500 1 k
5 k 10 k
1 1k
5k
10 k
50 k
100 k
Load Resistance RL ()
Load Resistance RL ()
OPTICAL LEAKAGE CURRENT vs. FORWARD CURRENT
1 000 50 VCE = 70 V 40 V 24 V 10 V 5V 10
OPTICAL LEAKAGE CURRENT vs. AMBIENT TEMPERATURE
Optical Leakage Current IL (nA)
45 40 35 30 25 20 15 10 5 0 -30 -20 -10 0 10 20 30 40 50 60 70 80 90 Ambient Temperature TA (C) IF = 5 mA
VCE = 24 V
Optical Leakage Current IL (nA)
100
1 0
5
10
15
20
25
Forward Current IF (mA)
Remark The graphs indicate nominal characteristics.
6
Data Sheet PN10203EJ03V0DS
PS2845-4A
TAPING SPECIFICATIONS (UNIT: mm)
Outline and Dimensions (Tape)
2.00.05 4.00.1
1.750.1
7.40.1
1.5+0.1 -0
3.05 MAX.
5.50.05
12.00.2
1.550.05 8.00.1
6.00.1
2.850.1
0.3
Tape Direction
PS2845-4A-F3 PS2845-4A-F4
Outline and Dimensions (Reel)
2.00.5
2.00.5
13.00.2
3302.0
R 1.0
21.00.8
1001.0
13.51.0 17.51.0
Packing: 2 500 pcs/reel
11.9 to 15.4 Outer edge of flange
Data Sheet PN10203EJ03V0DS
7
PS2845-4A
RECOMMENDED MOUNT PAD DIMENSIONS (UNIT: mm)
1.45
0.5
6.25
8
Data Sheet PN10203EJ03V0DS
0.8
PS2845-4A
NOTES ON HANDLING 1. Recommended soldering conditions
(1) Infrared reflow soldering * Peak reflow temperature * Time of peak reflow temperature * Time of temperature higher than 220C * Time to preheat temperature from 120 to 180C * Number of reflows * Flux 260C or below (package surface temperature) 10 seconds or less 60 seconds or less 12030 s Three Rosin flux containing small amount of chlorine (The flux with a maximum chlorine content of 0.2 Wt% is recommended.)
Recommended Temperature Profile of Infrared Reflow
Package Surface Temperature T (C)
(heating) to 10 s
260C MAX. 220C
to 60 s
180C
120C
12030 s (preheating)
Time (s)
(2) Wave soldering * Temperature * Time * Preheating conditions * Number of times * Flux 260C or below (molten solder temperature) 10 seconds or less 120C or below (package surface temperature) One (Allowed to be dipped in solder including plastic mold portion.) Rosin flux containing small amount of chlorine (The flux with a maximum chlorine content of 0.2 Wt% is recommended.) (3) Soldering by soldering iron * Peak temperature (lead part temperature) * Time (each pins) * Flux 350C or below 3 seconds or less Rosin flux containing small amount of chlorine (The flux with a maximum chlorine content of 0.2 Wt% is recommended.) (a) Soldering of leads should be made at the point 1.5 to 2.0 mm from the root of the lead. (b) Please be sure that the temperature of the package would not be heated over 100C.
Data Sheet PN10203EJ03V0DS
9
PS2845-4A
(4) Cautions * Fluxes Avoid removing the residual flux with freon-based and chlorine-based cleaning solvent.
2. Cautions regarding noise
Be aware that when voltage is applied suddenly between the photocoupler's input and output or between collector-emitters at startup, the output transistor may enter the on state, even if the voltage is within the absolute maximum ratings.
USAGE CAUTIONS
1. Protect against static electricity when handling. 2. Avoid storage at a high temperature and high humidity.
10
Data Sheet PN10203EJ03V0DS
4590 Patrick Henry Drive Santa Clara, CA 95054-1817 Telephone: (408) 919-2500 Facsimile: (408) 988-0279
Subject: Compliance with EU Directives
CEL certifies, to its knowledge, that semiconductor and laser products detailed below are compliant with the requirements of European Union (EU) Directive 2002/95/EC Restriction on Use of Hazardous Substances in electrical and electronic equipment (RoHS) and the requirements of EU Directive 2003/11/EC Restriction on Penta and Octa BDE. CEL Pb-free products have the same base part number with a suffix added. The suffix -A indicates that the device is Pb-free. The -AZ suffix is used to designate devices containing Pb which are exempted from the requirement of RoHS directive (*). In all cases the devices have Pb-free terminals. All devices with these suffixes meet the requirements of the RoHS directive. This status is based on CEL's understanding of the EU Directives and knowledge of the materials that go into its products as of the date of disclosure of this information.
Restricted Substance per RoHS Lead (Pb) Mercury Cadmium Hexavalent Chromium PBB PBDE Concentration Limit per RoHS (values are not yet fixed) < 1000 PPM < 1000 PPM < 100 PPM < 1000 PPM < 1000 PPM < 1000 PPM Concentration contained in CEL devices -A Not Detected Not Detected Not Detected Not Detected Not Detected Not Detected -AZ (*)
If you should have any additional questions regarding our devices and compliance to environmental standards, please do not hesitate to contact your local representative.
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