FOD2741ASDV Fairchild Optoelectronics Group, FOD2741ASDV Datasheet

Page 1

FOD2741A, FOD2741B, FOD2741C Optically Isolated Error Amplifier Features Optocoupler, precision reference and error amplifier in single package 2.5V reference CTR 100% to 200% 5,000V RMS isolation UL approved E90700, Volume 2 CSA approval 1296837 VDE approval 40002463 BSI approval 8702, ...

Page 2

Pin Definitions Pin Number Pin Name GND 6 COMP LED *The compensation network must be attached between pins 6 and 7. Typical Application FAN4803 PWM V 1 Control ...

Page 3

Absolute Maximum Ratings Stresses exceeding the absolute maximum ratings may damage the device. The device may not function or be operable above the recommended operating conditions and stressing the parts to these levels is not recommended. In addition, extended exposure ...

Page 4

Electrical Characteristics Input Characteristics Symbol Parameter V LED Forward Voltage F V Reference Voltage REF (4) V Deviation of V Over REF (DEV) REF Temperature V / Ratio of V Variation REF REF V to the Output of the COMP ...

Page 5

Electrical Characteristics Isolation Characteristics Symbol Parameter I Input-Output Insulation I-O Leakage Current V Withstand Insulation ISO Voltage R Resistance (Input to Output) I-O Switching Characteristics Symbol Parameter BW Bandwidth CMH Common Mode Transient Immunity at Output HIGH CML Common Mode ...

Page 6

Test Circuits I (LED REF 5 Figure (min.) Test Circuit REF F, LED I (LED REF Figure 3. I Test Circuit ...

Page 7

Test Circuits (Continued + OUT 2.2k V OUT ©2004 Fairchild Semiconductor Corporation FOD2741A, FOD2741B, FOD2741C Rev. 1.0 1mA 0.1 V ...

Page 8

Typical Performance Curves Fig. 9a – LED Current vs. Cathode Voltage COMP -10 - – CATHODE VOLTAGE (V) COMP Fig. 10 – ...

Page 9

Typical Performance Curves Fig. 14 – Dark Current vs. Ambient Temperature 10000 V = 10V CE 1000 100 10 1 0.1 -40 - – AMBIENT TEMPERATURE ( C) A Fig. 16 – Current Transfer Ratio vs. LED ...

Page 10

Typical Performance Curves ©2004 Fairchild Semiconductor Corporation FOD2741A, FOD2741B, FOD2741C Rev. 1.0.1 (Continued) Fig. 20 – Voltage Gain vs. Frequency VCC=10V IF=10mA 500 -10 -15 0 100 FREQUENCY (kHz ...

Page 11

The FOD2741 The FOD2741 is an optically isolated error amplifier. It incorporates three of the most common elements neces- sary to make an isolated power supply, a reference volt- age, an error amplifier, and an optocoupler functionally equivalent ...

Page 12

Package Dimensions Through Hole PIN 1 ID 0.270 (6.86) 0.250 (6.35 0.390 (9.91) 0.370 (9.40) 0.070 (1.78) 0.045 (1.14) 0.020 (0.51) MIN 0.200 (5.08) 0.140 (3.55) 0.154 (3.90) 0.120 (3.05) 0.022 (0.56) ...

Page 13

... Surface Mount; Tape and Reel FOD2741AT 0.4" Lead Spacing FOD2741AV VDE0884 FOD2741ATV VDE0884; 0.4” Lead Spacing FOD2741ASV VDE0884; Surface Mount FOD2741ASDV VDE0884; Surface Mount; Tape and Reel 2741A Fairchild logo Device number VDE mark (Note: Only appears on parts ordered with VDE option – ...

Page 14

Carrier Tape Specifications Symbol Reflow Profile 300 250 200 150 100 50 0 ...

Page 15

TRADEMARKS The following includes registered and unregistered trademarks and service marks, owned by Fairchild Semiconductor and/or its global subsidiaries, and is not intended exhaustive list of all such trademarks. Build it Now™ CorePLUS™ CorePOWER™ CROSSVOLT™ CTL™ Current ...