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PDF APW1680 Data sheet ( Hoja de datos )
| Número de pieza | APW1680 | |
| Descripción | 3-Channel Power Supply Supervisor | |
| Fabricantes | ANPEC | |
| Logotipo |  |
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APW1680
3-Channel Power Supply Supervisor
Features
General Description
• Over Voltage Protection and Lock Out for
! 3.3 V, 5 V, and 12 V
• Under Voltage Protection and Lock Out for
! 3.3 V and 5 V
• Fault Protection Output with Open Drain
! Output Stage
• Open Drain Power Good Output Signal for
! Power Good Input, 3.3 V and 5 V
• 300 ms Power Good Delay
• 2.36ms PSON Control to FPO Turn Off Delay
• 38 ms Control Debounce
• 75 ms Delay for 3.3V and 5V Under Voltage
! Protection
• 73 µs Width Noise Deglitches
• Wide Power Supply Voltage Range
from 4 V to 15 V
The APW1680 is designed to minimize the exter-
nal components of personal-computer switching
power supply systems. It provides protection
circuits, power good indicator, fault protection out-
put FPO and control.
OVP (over voltage protection) monitors 3.3V, 5 V,
and 12 V (12 V OV detects via V CC terminal). UVP
(under voltage protection) monitors 3.3V and 5V.
When an OV or UV condition is detected, the PGO
(power good output) is set to low and FPO is latched
to high. PSON from low to high resets the protec-
tion latch.
Power good feature monitors PGI, 3.3V and 5V un-
der voltages, and issues a power good signal when
they are ready.
Pin Description
Applications
• PC Switching Power Supply
PGI
GND
FPO
PSON
1
2
3
4
8 PGO
7 VCC
6 VS5
5 VS33
Ordering Information
APW1680
Handling Code
Temp. Range
Package Code
Package Code
J : DIP - 8
Temp. Range
C : 0 to 70 °C
Handling Code
TU : Tube
ANPEC reserves the right to make changes to improve reliability or manufacturability without notice, and advise
customers to obtain the latest version of relevant information to verify before placing orders.
Copyright ANPEC Electronics Corp.
Rev. A.2 - Feb., 2001
1
www.anpec.com.tw
Free Datasheet http://www.datasheet4u.com/
1 page  
APW1680
Timing Chart
VDD
Reset
R
PSON
S
Q
FPO
PGI
3.3V
5V
12V
PGO
td1
Protection Occur
tb
Copyright ANPEC Electronics Corp.
Rev. A.2 - Feb., 2001
td1
td1 PG Off Delay
tb
td2
PSON PSON
OFF
ON
AC
OFF
5 www.anpec.com.tw
Free Datasheet http://www.datasheet4u.com/
5 Page | ||
| Páginas | Total 7 Páginas | |
| PDF Descargar | [ Datasheet APW1680.PDF ] | |
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