FOD2741ATV Fairchild Semiconductor, FOD2741ATV Datasheet
FOD2741ATV
Specifications of FOD2741ATV
Related parts for FOD2741ATV
FOD2741ATV Summary of contents
Page 1
... ©2004 Fairchild Semiconductor Corporation FOD2741A, FOD2741B, FOD2741C Rev. 1.0.1 Description The FOD2741 Optically Isolated Amplifier consists of the popular KA431 precision programmable shunt reference and an optocoupler. The optocoupler is a gallium ars- enide (GaAs) light emitting diode optically coupled to a silicon phototransistor. It comes in 3 grades of reference voltage tolerance = 2%, 1%, and 0 ...
Page 2
... LED *The compensation network must be attached between pins 6 and 7. Typical Application FAN4803 PWM V 1 Control ©2004 Fairchild Semiconductor Corporation FOD2741A, FOD2741B, FOD2741C Rev. 1.0.1 Pin Description Not connected Phototransistor Collector Phototransistor Emitter Not connected Ground Error Amplifier Compensation. This pin is the output of the error amplifier.* Voltage Feedback. This pin is the inverting input to the error amplifi ...
Page 3
... PD3 Total Power Dissipation Notes: 1. Derate linearly from 25° rate of 2.42mW/°C 2. Derate linearly from 25° rate of 1.42mW/°C. 3. Derate linearly from 25° rate of 2.42mW/°C. ©2004 Fairchild Semiconductor Corporation FOD2741A, FOD2741B, FOD2741C Rev. 1.0 25°C unless otherwise specified) A Parameter ...
Page 4
... A 5. The dynamic impedance is defined as |Z resistors (see Figure 2), the total dynamic impedance of the circuit is given by ------- - Z 1 OUT, TOT OUT I ©2004 Fairchild Semiconductor Corporation FOD2741A, FOD2741B, FOD2741C Rev. 1.0 25°C unless otherwise specified) A Test Conditions I = 10mA (Fig.1) LED COMP FB ...
Page 5
... Vcm, to assure that the output will remain high. Common mode transient immunity at output low is the maximum tolerable (negative) dVcm/dt on the trailing edge of the common pulse signal,Vcm, to assure that the output will remain low. ©2004 Fairchild Semiconductor Corporation FOD2741A, FOD2741B, FOD2741C Rev. 1.0.1 (Continued 25° ...
Page 6
... REF 5 Figure (min.) Test Circuit REF F, LED I (LED REF Figure 3. I Test Circuit REF Figure 5. I Test Circuit CEO ©2004 Fairchild Semiconductor Corporation FOD2741A, FOD2741B, FOD2741C Rev. 1.0 Figure (LED) I CEO (LED COMP R2 V REF Test Circuit REF / COMP I (OFF) ...
Page 7
... Test Circuits (Continued + OUT 2.2k V OUT ©2004 Fairchild Semiconductor Corporation FOD2741A, FOD2741B, FOD2741C Rev. 1.0 1mA 0 Figure 7. Frequency Response Test Circuit 0mA ( 1mA ( VCM _ + 10V P-P Figure 8. CMH and CML Test Circuit 0.47V A B www.fairchildsemi.com ...
Page 8
... T – AMBIENT TEMPERATURE ( C) A Fig. 12 – Off–State Current vs. Ambient Temperature 100 V = 37V -40 - – AMBIENT TEMPERATURE ( C) A ©2004 Fairchild Semiconductor Corporation FOD2741A, FOD2741B, FOD2741C Rev. 1.0.1 1.0 0.5 0.0 -0.5 -1.0 – 1.30 1.25 1.20 1.15 1.10 1. 100 ...
Page 9
... – FORWARD CURRENT (mA) LED Fig. 18 – Collector Current vs. Collector Voltage – COLLECTOR-EMITTER VOLTAGE (V) CE ©2004 Fairchild Semiconductor Corporation FOD2741A, FOD2741B, FOD2741C Rev. 1.0.1 (Continued 100 0 0.26 0.24 0.22 0. 0.18 0.16 0.14 0.12 0.10 - -0.32 -0. 20mA LED -0.36 -0.38 -0 ...
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 100 1000 www.fairchildsemi.com ...
Page 11
... OUT ---------------------------- - 1040 A R TOP ©2004 Fairchild Semiconductor Corporation FOD2741A, FOD2741B, FOD2741C Rev. 1.0.1 Compensation The compensation pin of the FOD2741 provides the opportunity for the designer to design the frequency response of the converter. A compensation network may be placed between the COMP pin and the FB pin. In typ- ical low-bandwidth systems, a 0.1µ ...
Page 12
... MIN 0.022 (0.56) 0.016 (0.41) 0.100 (2.54) TYP Lead Coplanarity : 0.004 (0.10) MAX Note: All dimensions are in inches (millimeters) ©2004 Fairchild Semiconductor Corporation FOD2741A, FOD2741B, FOD2741C Rev. 1.0.1 0.4" Lead Spacing 0.200 (5.08) 0.140 (3.55) 15 MAX 0.300 (7.62) TYP 0.022 (0.56) 0.016 (0.41) 8-Pin DIP – ...
Page 13
... Example Part Number FOD2741A Standard Through Hole FOD2741AS Surface Mount Lead Bend FOD2741ASD 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 ...
Page 14
... Reflow Profile 300 250 200 150 100 50 0 ©2004 Fairchild Semiconductor Corporation FOD2741A, FOD2741B, FOD2741C Rev. 1.0 User Direction of Feed Description Tape Width Tape Thickness Sprocket Hole Pitch Sprocket Hole Diameter Sprocket Hole Location Pocket Location Pocket Pitch Pocket Dimensions Cover Tape Width Cover Tape Thickness Max ...
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 Transfer Logic™ ...