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PDF SG6513T Data sheet ( Hoja de datos )
| Número de pieza | SG6513T | |
| Descripción | PC Power Supply Supervisors | |
| Fabricantes | System General | |
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Hay una vista previa y un enlace de descarga de SG6513T (archivo pdf) en la parte inferior de esta página. Total 11 Páginas | ||
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PC Power Supply Supervisors
Product Specification
SG6513/T
FEATURES OVERVIEW
Over-voltage protection (OVP) for 3.3V, 5V and
12V
Over-current protection (OCP) for 3.3V, 5V and 12V
Under-voltage sense (UVS) for 3.3V, 5V and 12V
Under-voltage protection (UVP) for 12V
Open drain output for PGO and FPO pins
300mS power good delay
75mS delay for 3.3V, 5V and 12V power turn on
2.8mS PSON control to FPO turn-off delay
38mS / 115mS PSON control De-bounce
275uS width noise deglitches
De-bounce time 125uS for UVP and OCP
De-bounce time 350uS for UVS
No lockup during the fast AC power on/off
Brownout protection function for 12V
Wide supply voltage range from 4V to 15V
Over-temperature protection (OTP) function
DESCRIPTION
SG6513 is designed to provide the voltage, current
and temperature supervisor function, remote on/off
(PSON) function, power good (PGO) indicator function,
and fault protection (FPO) function for switching power
systems.
For supervisor function, it provides the over voltage
protection (OVP) monitoring for 3.3V, 5V and 12V; over
current (OCP) monitoring for 3.3V, 5V and 12V; under
voltage sense (UVS) monitoring for 3.3V, 5V and 12V;
under voltage protection (UVP) monitoring for 12V; and
over temperature protection (OTP) for SG6513T. When
3.3V, 5V or 12V voltage is decreasing to 2.8V, 4.2V and
9.9V respectively, the under voltage sense (UVS)
function will be enabled to reset the PGO signal from high
to low. If 12V voltage is further decreasing to 9V, 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. To achieve better immunity for
lighting surge glitch and to prevent accidental power shut
down during dynamic loading condition, the de-bounce
time for UVP/OCP and UVS is 275us/125us ,350us
respectively. The deglitch time for OVP is 75uS for better
noise immunity.
The power supply is turned on after 38mS de-bounce
time when PSON signal is set from high to low. To turn
off power supply, PSON signal is set from low to high and
the de-bounce time is 115mS. The PGI circuitry provides
a sufficient power-down warning signal for PGO. When
PGI input is lower than the internal 1.2V reference
voltage, after 250uS de-bounce time, the PGO signal is
pulled low.
TYPICAL APPLICATION
12V
5V
3.3V
Io
5V
PGI
PSON
SG6513
1 PGI
2 GND
3 FPO
4 PSON
5 IS12
6 RI
7 RT
PGO
VDD
VS5
VS33
VS12
IS33
IS5
14
13
12
11
10
9
8
VSB
Output Side
12V
5V
3.3V
© System General Corp.
Version 1.0PN ( IRO33.0014.B0)
-1-
www.sg.com.tw
Aug.26,2003
Free Datasheet http://www.datasheet4u.com/
1 page  
PC Power Supply Supervisors
Product Specification
SG6513/T
FUNCTION TABLE
PGI PSON
PGI<1.2V
PGI<1.2V
PGI<1.2V
PGI<1.2V
PGI<1.2V
PGI<1.2V
PGI<1.2V
PGI<1.2V
PGI>1.2V
PGI>1.2V
PGI>1.2V
PGI>1.2V
PGI>1.2V
PGI>1.2V
PGI>1.2V
PGI>1.2V
X
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
H
x = don’t care
UV Sense
No
Yes
No
No
Yes
Yes
No
Yes
No
Yes
No
No
Yes
Yes
No
Yes
X
UV Protection 12V & OC Protection OV Protection FPO
No No L
No No L
No Yes H
Yes No L
No Yes H
Yes No L
Yes Yes H
Yes Yes H
No No L
No No L
No Yes H
Yes No H
No Yes H
Yes No H
Yes Yes H
Yes Yes H
X XH
PGO
L
L
L
L
L
L
L
L
H
L
L
L
L
L
L
L
L
FPO = L means: fault IS NOT latched
FPO = H means: fault IS latched
PGO = L means: fault
PGO = H means: No fault
© System General Corp.
Version 1.0PN ( IRO33.0014.B0)
-5-
www.sg.com.tw
Aug.26,2003
Free Datasheet http://www.datasheet4u.com/
5 Page 
PC Power Supply Supervisors
Product Specification
SG6513/T
DISCLAIMERS
LIFE SUPPORT
System General’s products are not designed to be used as components in devices intended to support or sustain
human life. Use of System General’s products in components intended for surgical implant into the body, or other
applications in which failure of the System General’s products could create a situation where personal death or injury
may occur, is not authorized without the express written approval of System General’s Chief Executive Officer. System
General will not be held liable for any damages or claims resulting from the use of its products in medical applications.
MILITARY
System General's products are not designed for use in military applications. Use of System General’s products in
military applications is not authorized without the express written approval of System General’s Chief Executive Officer.
System General will not be held liable for any damages or claims resulting from the use of its products in military
applications.
RIGHT TO MAKE CHANGES
System General reserves the right to change this document and/or this product without notice. Customers are
advised to consult their System General sales representative before ordering.
© System General Corp.
Version 1.0PN ( IRO33.0014.B0)
- 11 -
www.sg.com.tw
Aug.26,2003
Free Datasheet http://www.datasheet4u.com/
11 Page | ||
| Páginas | Total 11 Páginas | |
| PDF Descargar | [ Datasheet SG6513T.PDF ] | |
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