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NCP112

Features: • Under and Overvoltage Protection for 3.3 V, 5.0 V and 12 V Outputs• Additional Adjustable Overvoltage Protection Input• Built−in Hysteresis on all Input Pins• Programmable Undervoltage Blanking During Power−Up• Fault Output with 20 mA Sink Capa...

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SeekIC No. : 004432935 Detail

NCP112: Features: • Under and Overvoltage Protection for 3.3 V, 5.0 V and 12 V Outputs• Additional Adjustable Overvoltage Protection Input• Built−in Hysteresis on all Input Pins̶...

NCP112 Data Sheet

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Part Number:
NCP112
Supply Ability:
5000

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  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Product Details

Description



Features:

• Under and Overvoltage Protection for 3.3 V, 5.0 V and 12 V Outputs
• Additional Adjustable Overvoltage Protection Input
• Built−in Hysteresis on all Input Pins
• Programmable Undervoltage Blanking During Power−Up
• Fault Output with 20 mA Sink Capability
• Programmable Remote On/Off Delay Time
• Programmable Power Good Delay Time
• Precision Voltage Reference with 20 mA Source Capability
• Optimized for Low−Cost 100 nF Capacitors
• Enhanced Replacement to the TSM112


Application

• Personal Computer Switch Mode Power Supply Monitoring
• Multi−Output Power Supplies Requiring System Supervision


Pinout

Connection Diagram


Specifications

Rating

Symbol

Value

Unit

Power Supply Voltage (Note 1)

VCC

18

V

Power Good Output Current

IPGO

30

mA

Fault Output Current

IFAULT

30

mA

Voltage Reference Output Current

IREF

20

mA

Voltage Rating (Pins 4, 5, 6, 9, 10, 11)

ADJ, PGI, CTUV, REMOTE,
CTREMOTE, CTPG

VCC

V

Voltage Rating (Pins 12, 13)

PGO, FAULT

18

V

Power Dissipation and Thermal Characteristics (PDIP−14)
Thermal Resistance, Junction−to−Air
Thermal Resistance, Junction−to−Case
Maximum Power Dissipation @ 25°C

RJA
RJC
PD

100
45
1.25

°C/W
°C/W
W

Power Dissipation and Thermal Characteristics (SOIC−14)
Thermal Resistance, Junction−to−Air
Thermal Resistance, Junction−to−Case
Maximum Power Dissipation @ 25°C

RJA
RJC
PD

125
30
1.0

°C/W
°C/W
W

Operating Junction Temperature

TJ

+150

°C

Operating Ambient Temperature

TA

−40 to +125

°C

Storage Temperature Range

Tstg

−55 to +150

°C




Description

The NCP112 is a highly integrated supervisory circuit that incorporates all the functions necessary for monitoring and controlling a multi−output switch−mode power supply system. The NCP112 provides an ability to monitor the status of the power supply outputs and communicate it to the system controller. The programmable output delays protect against spurious fault indicators.




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