NCP112 ON Semiconductor, NCP112 Datasheet - Page 2

• Manufacturer Part Number: NCP112
• Description: Supervisory IC
• Manufacturer: ON Semiconductor

PIN FUNCTION DESCRIPTION
Pin No.
10
12
13
14
11
1
2
3
4
5
6
7
8
9
CTREMOTE
REMOTE
Symbol
FAULT
CTUV
VREF
CTPG
VS33
VS12
GND
PGO
VCC
VS5
ADJ
PGI
ADJUSTABLE TIMING CAPACITOR
ADJUSTABLE REMOTE ON/OFF
ADJUSTABLE POWER GOOD
POWER SUPPLY VOLTAGE
ADJUSTABLE OVP INPUT
REMOTE ON/OFF INPUT
POWER GOOD OUTPUT
VOLTAGE REFERENCE
POWER GOOD INPUT
3.3 V SENSE INPUT
5.0 V SENSE INPUT
12 V SENSE INPUT
FAULT OUTPUT
CAPACITOR
CAPACITOR
GROUND
Function
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Over/undervoltage sense input for 3.3 V.
Over/undervoltage sense input for 5.0 V.
Over/undervoltage sense input for 12 V.
May be used for an additional overvoltage protection signal.
Power good input signal.
Adjustable undervoltage blanking delay during power−up.
Ground
Precision 2.5 V reference output.
Input remote control from the microcontroller. Acts as a reset
signal after a fault condition.
Adjustable remote delay.
Adjustable power good delay.
Power good output. Active high when no fault conditions are
present.
Detects over/undervoltage conditions. Active high during a fault
condition.
Power supply voltage.
Description