ATE7520

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. 16 VADJ I OP compensation positive input , feedback voltage sense input. *The difference between AT2005（B） and ATE7520 ITEM Pin-6 (PWM frequency) AT2005（B） CT...