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PDF SG6520 Data sheet ( Hoja de datos )
| Número de pieza | SG6520 | |
| Descripción | PC Power Supply Supervisors | |
| Fabricantes | Fairchild Semiconductor | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de SG6520 (archivo pdf) en la parte inferior de esta página. Total 13 Páginas | ||
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PC Power Supply Supervisors
FEATURES
Two 12V sense input pins: VS12 and VS12B
Over voltage protection (OVP) for 3.3V, 5V, and
two 12V
Over current protection (OCP) for 3.3V, 5V, and two
12V
Under voltage protection (UVP) for 3.3V, 5V, and
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two 12V
Open drain output for PGO and FPO pins
300mS power good delay
300mS turn on delay for 3.3V, 5V and two 12V
2.8mS PSON control to FPO turn-off delay
48mS PSON control delay
No lockup during the fast AC power on/off
Wide supply voltage range from 4.2V to 15V
Programmable over temperature protection(OTP)
DESCRIPTION
SG6520 is designed to provide the voltage, and current
supervisor function, remote on/off (PSON) function,
Product Specification
SG6520
power good (PGO) indicator function, and fault
protection (FPO) function for switching power systems.
For supervisor function, it provides the over voltage
protection (OVP) for 3.3V, 5V and two 12V; over current
protection (OCP) for 3.3V, 5V and two 12V; under
voltage protection (UVP) for 3.3V, 5V and two 12V.
When 3.3V, 5V or 12V voltage is decreasing to 2.3V,
3.5V and 9V respectively, the under voltage protection
(UVP) function will be enabled. FPO will be set to high to
turn off the PWM controller IC. The voltage difference
across external current shunt is used for OCP functions.
An external resistor can be used to adjust protection
threshold.
The power supply is turned on after 48mS delay time
when PSON signal is set from high to low. To turn off
power supply, PSON signal is set from low to high with
the delay time 48mS. The PGI circuitry provides a
power-down warning signal for PGO. When PGI input is
lower than the internal 1.25V reference voltage, PGO
signal is pulled low.
TYPICAL APPLICATION
© System General Corp.
Version 1.0.1 (IAO33.0041.B0)
- 1 - www.sg.com.tw • www.fairchildsemi.com
September 28, 2007
1 page  
PC Power Supply Supervisors
TIMING DIAGRAM
PSON On/Off and 3.3V, 5V OVP Function
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Product Specification
SG6520
© System General Corp.
Version 1.0.1 (IAO33.0041.B0)
- 5 - www.sg.com.tw • www.fairchildsemi.com
September 28, 2007
5 Page 
PC Power Supply Supervisors
PACKAGE INFORMATION
16 PINS - DIP(D)
Product Specification
SG6520
D
16 9
θ
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1
E1
8
E
eB
A2 A
L
e
b1 A1
Dimensions:
Symbol
A
A1
A2
b
b1
D
E
E1
e
L
eB
θ°
Millimeter
Min. Typ.
0.381
3.175
18.669
6.121
2.921
8.509
0°
3.302
1.524
0.457
19.177
7.620
6.299
2.540
3.302
9.017
7°
Max.
5.334
3.429
19.685
6.477
3.810
9.525
15°
Inch
Min.
0.015
0.125
0.735
0.241
0.115
0.335
0°
Typ.
0.130
0.060
0.018
0.755
0.300
0.248
0.100
0.130
0.355
7°
Max.
0.210
0.135
0.775
0.255
0.150
0.375
15°
© System General Corp.
Version 1.0.1 (IAO33.0041.B0)
- 11 -
www.sg.com.tw • www.fairchildsemi.com
September 28, 2007
11 Page | ||
| Páginas | Total 13 Páginas | |
| PDF Descargar | [ Datasheet SG6520.PDF ] | |
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