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參數(shù)資料
| 型號(hào)： | NCP112PG |
| 廠商： | ON SEMICONDUCTOR |
| 元件分類： | 電源管理 |
| 英文描述： | Supervisory IC for Desktop Power Supply Monitoring |
| 中文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDIP14 |
| 封裝： | LEAD FREE, PLASTIC, DIP-14 |
| 文件頁(yè)數(shù)： | 2/10頁(yè) |
| 文件大?。?/td> | 135K |
| 代理商： | NCP112PG |
NCP112
http://onsemi.com
2
PIN FUNCTION DESCRIPTION
Pin No.
Symbol
Function
Description
1
VS33
3.3 V SENSE INPUT
Over/undervoltage sense input for 3.3 V.
2
VS5
5.0 V SENSE INPUT
Over/undervoltage sense input for 5.0 V.
3
VS12
12 V SENSE INPUT
Over/undervoltage sense input for 12 V.
4
ADJ
ADJUSTABLE OVP INPUT
May be used for an additional overvoltage protection signal.
5
PGI
POWER GOOD INPUT
Power good input signal.
6
CTUV
ADJUSTABLE TIMING CAPACITOR
Adjustable undervoltage blanking delay during power
up.
7
GND
GROUND
Ground
8
VREF
VOLTAGE REFERENCE
Precision 2.5 V reference output.
9
REMOTE
REMOTE ON/OFF INPUT
Input remote control from the microcontroller. Acts as a reset
signal after a fault condition.
10
CTREMOTE
ADJUSTABLE REMOTE ON/OFF
CAPACITOR
Adjustable remote delay.
11
CTPG
ADJUSTABLE POWER GOOD
CAPACITOR
Adjustable power good delay.
12
PGO
POWER GOOD OUTPUT
Power good output. Active high when no fault conditions are
present.
13
FAULT
FAULT OUTPUT
Detects over/undervoltage conditions. Active high during a fault
condition.
14
VCC
POWER SUPPLY VOLTAGE
Power supply voltage.
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