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CG8511 Datasheet

3-Channel PC Power Supply Supervisors

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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/




ChipGoal

CG8511 Datasheet Preview

CG8511 Datasheet

3-Channel PC Power Supply Supervisors

No Preview Available !

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.
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 delay time
Pin Configuration (Top View)
1 PGI
2 GND
3 FPOB
4 PSONB
PGO 8
VDD 7
V5 6
V33 5
Ordering Information
ORDER NUMBER
CG8511DX08-U
CG8511SX08-U
Package Type
P-DIP8 ( RoHS )
SOP-8 ( RoHS )
Packing
Tube
Tube
Typical Application Circuit
From
transformer
R5
+5VSB
R4
1KΩ
R6
C3
photo
coupler
From
Motherboard
+5VSB
R3
10KΩ
R2
100Ω
C2
0.01uF
1 PGI
2 GND
3 FPOB
4 PSONB
PGO 8
VDD 7
V5 6
V33 5
Top Marking
CG8511DX08
CG8511SX08
+5V
R1
1KΩ
C1
0.1uF
D1
1N4148
D2
1N4148
PGO
+5VSB
+12V
+5V
+3.3V
This document is the property of ChipGoal and shall not be reproduced, copied or transformed to any other forms without permission. R
September 15, 2009 – Rev. 0.10 (Preliminary)
1
Datasheet
Free Datasheet http://www.datasheet4u.com/


Part Number CG8511
Description 3-Channel PC Power Supply Supervisors
Maker ChipGoal
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