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BUFFALO
Service Manual
14
BA9741F:
PWM control, voltage range for working: 3.6~35V, Has such functions as short-voltage
protection, Over-voltage protection, over-current protection and etc. The function of each pin and the circuit
diagram inside are as follows
:
PIN NAME
FUNCTION
PIN NAME
FUNCTION
1
CT
External timing capacitor
9
VCC
Power supply
2
RT
External timing resistor
10
2OUT
Output 2
3
1IN+
Positive input for error amplifier 1
11
2DTC
Output 2 dead time/soft start setting
4
1IN-
Positive input for error amplifier 2
12
2FBK
Error amplifier 2 output
5
1FBK Error amplifier 1 output
13
2IN+
Positive input for error amplifier
6 1DTC
Output 1 dead time/soft start
setting
14
2IN-
Positive input for error amplifier
7
1OUT Output 1
15
SCP
Timing latch setting
8
GND
Ground
16
REF
Reference voltage output (2.5v)
Summary of Contents for FTD-G731AS
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