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GR8313 Schematic ( PDF Datasheet ) - Grenergy

Teilenummer GR8313
Beschreibung 3-Channel Supervisor IC for Power Supply
Hersteller Grenergy
Logo Grenergy Logo 




Gesamt 9 Seiten
GR8313 Datasheet, Funktion
GR8313
3-Channel Supervisor IC for Power Supply
Features
Over-voltage protection and lockout
Under-voltage protection and lockout
Open drain power good output signal
Built-in 300mS delay for power good
38mS de-bounce for PSON/ control
73uS de-bounce for noise immunity
www.DataSheetW4Ui.dceompower supply range
Applications
PC power supply
LCD TV power supply
Description
GR8313 is designed to monitor the outputs of
switching power supply and generate the power
good signal to inform the system. There are three
important functions of GR8313: over-voltage
protection, under-voltage protection and power
good signal generating.
Over-voltage protection (OVP) monitors 3.3V, 5V
and 12V to protect the power supply and system
when one of these supply voltages exceeds their
normal operation voltage.
Under-voltage protection (UVP) monitors 3.3V, 5V
and 12V to protect the power supply and system.
When power supply is ready or going to shutdown,
power good signal generating notifies personal
computers; it provides a reliable power supply
environment for system.
Ordering and Marking Information
DIP- 8
GR8313
XXXXX
SOP-8
GR8313
XXXXX
XXXXX – Date Code
XXXXX – Date Code
Grenergy OPTO Inc. reserves the right to make changes to improve reliability or manufacture ability without notice, and
advise customers to obtain the latest version of relevant information to verify before placing orders.
2009.03 Ver. 1.0 Copyright Grenergy OPTO, Inc. www.grenergy-ic.com
1






GR8313 Datasheet, Funktion
Typical Application Circuit
GR8313
+5V RAIL
+3.3V RAIL
+12V RAIL
+5VD
www.DataSheet4U.com
+5VSB
PSON
C1
0.1uF
D1 R2
4148 22K
R3
2.7K
R1
1K LED1
C2
0.1uF
+5V OUTPUT
+3.3V OUTPUT
+12V OUTPUT
1
PGI
8
PGO
2
GND
U1
7
VCC
GR8313
3
FPO
6
VS5
4
PSON
VS33
5
R4 D3
1K 4148
D2
4148
C3 C4 C5 C6
1uF 0.1uF 0.1uF 0.1uF
PGO
+5VSB
Application Information
1. The power supply bypass capacitor C3 suggests to be 0.1uF ~ 10uF and around the VCC pin and GND
pin while layout. Other bypass capacitors suggests to be 0.01uF ~ 1uF.
2009.03 Ver. 1.0 Copyright Grenergy OPTO, Inc. www.grenergy-ic.com
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