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PDF GR8313 Data sheet ( Hoja de datos )
| Número de pieza | GR8313 | |
| Descripción | 3-Channel Supervisor IC for Power Supply | |
| Fabricantes | Grenergy | |
| Logotipo |  |
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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
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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
1 page  
GR8313
℃Electrical Characteristics (TA = +25 unless otherwise stated, VCC = 12.0V)
Parameter
Conditions Symbol Min. Typ.
POWER SUPPLY
Supply voltage
VCC
4.0 5.0
Supply current
OVER-VOLTAGE PROTECTION
VPSON/ = 5V
Ivcc
2
VS33
3.7 3.9
Over-voltage threshold
VS5 5.7 6.1
VS12 13.2 13.8
UNDER-VOLTAGE PROTECTION
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Under-voltage threshold
VS33
VS5
2.0 2.2
3.3 3.5
VS12
8.5 9.0
PSON/
High-level input threshold voltage
Low-level input threshold voltage
VIH 1.4 1.5
VIL 1.0
PGI AND PGO, FPO/
PGI threshold voltage
Leakage current (PGO)
Low level output voltage (PGO)
Leakage current (FPO/)
Low level output voltage(FPO/)
SWITCHING CHARACTERISTICS
VPGO = 5V
ISINK = 10mA
VFPO/ = 5V
ISINK = 10mA
VPGI
ILKG
VOL
ILKG
VOL
1.16 1.25
PSON/ de-bounce time
Tb1 24 38
FPO/ Noise de-glitch time
Tb2 47 73
PGO Noise de-glitch time
Tb3 47 73
PGI to PGO delay time
Td1 200 300
UVP protection delay time
Td2 49 75
PGO to FPO/ delay time
Td3 2 4
Max.
16.0
3
4.1
6.5
14.4
2.4
3.7
9.5
1.1
1.33
5
0.35
5
0.35
61
110
110
480
114
6
Unit
V
mA
V
V
V
V
V
V
V
V
V
uA
V
uA
V
mS
uS
uS
mS
mS
mS
2009.03 Ver. 1.0 Copyright Grenergy OPTO, Inc. www.grenergy-ic.com
5
5 Page | ||
| Páginas | Total 9 Páginas | |
| PDF Descargar | [ Datasheet GR8313.PDF ] | |
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