CG8511

CG8511 Data Sheet Type Description: 3-Channel PC Power Supply Supervisors Product Name: CG8511 Reversion: 0.10 (Preliminary) Reversion Date: September 15, 2009 Page: 6 Pages Issue Date: 2009/11/30 September 15, 2009 – Rev. 0.10(Preliminary) Free Datasheet http://www.datasheet4u.com/ CG8511 3-Channel PC Power Supply Supervisors Description The CG8511 is a PC switching power supply monitor with minimum external components. It provides protection circuits, power-good output (PGO), fault protection output (FPOB) and on/off control (PSONB). The over-voltage protection (OVP) and under-voltage protection (UVP) monitors 3.3V, 5V and 12V (12V supplies voltage detects via VDD pin). When an OV or UV condition is detected, the fault protection output (FPOB) is latched high and the power good output (PGO) go low. PSONB from low to high resets the latch. When OV, UV and PGI are all right, the power good output (PGO) will be issue. A built-in 4ms delay and 38ms debounce for PSONB turn off FPOB. Pin Configuration (Top View) 1 PGI GND FPOB PSONB PGO VDD V5 V33 8 2 7 3 6 4 5 Features ■ Over-voltage protection (OVP) for 3.3V, 5V and 12V supplies ■ Under-voltage protection (UVP) for 3.3V, 5V and 12V supplies ■ Fault protection output (FPOB) with open drain output ■ Power good output (PGO) with open drain output ■ 300ms PGO delay time ■ 38ms PSONB debounce time ■ 35us OVP debounce time ■ 73us UVP debounce time ■ 73us PGI debounce time ■ 4ms FPOB turn off delay time ■ 75ms UVP dela...