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PIN DESCRIPTION
Advanced Technology Electronics CO.,LTD.
ATE 7520
Pin No. 1 2 3 4 5 6 7 8 9
Pin Name V33 V5 V12 PT GND RT C1 C2 REM
TYPE I I I I P O O O I
FUNCTION OVP/UVP input FOR 3.3V. OVP/UVP input for 5V. OVP/UVP input for 12V. Extra OVP protection input. Ground. Oscillation frequency set by external resistor. PWM open drain output 1. PWM open drain output 2. Remote on/off input. REM=”low” that means the main SMPS is turned-on. REM=”high”, the main SMPS is turned-off.
10 SS 11 PG
O Soft start function set by external capacitor. O Power good signal. PG= ”high” means “power good”. PG= ”low” means “power
fail”.
12 DET
I Extra protection input.
13 VCC
P Supply voltage.
14 OPOUT
O OP compensation output.
15 OPNEGIN
I OP compensation negative input.