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BA9741 Datasheet(PDF) 2 Page - E-Tech Electronics LTD |
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BA9741 Datasheet(HTML) 2 Page - E-Tech Electronics LTD |
2 / 5 page UTCBA9741 LINEAR INTEGRATED CIRCUIT UTC UNISONIC TECHNOLOGIES CO., LTD. 2 QW-R103-017,B PIN DESCRIPTIONS PIN NO. PIN NAME FUNCTOIN 1 CT External timing capacitor 2 RT External timing resistor 3 NON1 Positive input for error amplifier 1 4 INV1 Negative input for error amplifier 1 5 FB1 Error amplifier 1 output 6 DT1 Output 1 dead time/soft start setting 7 OUT1 Output 1 8 GND Ground 9 Vcc Power supply 10 OUT2 Output 2 11 DT2 Output 2 dead time / soft start setting 12 FB2 Error amplifier 2 output 13 INV2 Negative input for error amplifier 2 14 NON2 Positive input for error amplifier 2 15 SCP Time latch setting 16 VREF Reference voltage output (2.5V) BLOCK DIAGRAM Vcc 2 1 9 Reference Voltage 3 4 5 6 8 7 Triangle Oscillator 16 14 13 12 15 11 10 VREF Vref + - + - + - + + - + + - + NON 1 INV 1 FB 1 NON 2 INV 2 FB 2 SCP Err Amp 1 Err Amp 2 Vref SR Timer Latch R UVLO SCP Comp Vref Vref DT1 DT2 GND PWM Comp2 PWM Comp1 CT RT OUT1 OUT2 |
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