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Fabricante

NIS5101E2T1G

Inrush Limiter/Circuit Breaker

ON Semiconductor 

NIS5101

Inrush Limiter/Circuit

Breaker

The NIS5101 combines the control function and power FET into a

single IC that saves design time and reduces the number of

components required for a complete hot swap application. It is

designed to allow safe insertion and removal of electronic equipment

to −48 V backplanes. This chip features simplicity of use combined

with an integrated solution.

The NIS5101 includes user selectable undervoltage and

overvoltage lockout levels. It also has adjustable current limiting that

can be reduced from the maximum level with a single resistor.

Operation at the maximum current level requires no extra external

components. An internal temperature shutdown circuit greatly

increases the reliability of this device.

Features

• Integrated Power Device

• 100 V Operation

• Thermal Limit Protection

• Adjustable Current Limit

• No External Current Shunt Required

• Undervoltage and Overvoltage Lockouts

• 6.5 A Continuous Operation

• UIS Rated

• Main/Mirror MOSFET Current Ratio 820:1

• Pb−Free Packages are Available

Typical Applications

• VoIP (Voice over Internet Protocol) Servers

• −48 V Telecom Systems

• +24 V Wireless Base Station Power

• Central Office Switching

• Electronic Circuit Breaker

7 Input +

Voltage

Regulator

6

UVLO/

ENABLE

Undervoltage

Lockout

5

OVLO

Overvoltage

Shutdown

Thermal

Shutdown

Current

Limit

Figure 1. Block Diagram

4, 8

Drain

3

Current

Limit

Input −

1, 2

http://onsemi.com

MARKING

DIAGRAM

8

S−PAK

NIS5101EX

1

EX SUFFIX

AYWWG

CASE 553AA

7

X = 1 for Thermal Latch or

2 for Thermal Auto−retry

A = Assembly Location

Y = Year

WW = Work Week

G = Pb−Free Device

ORDERING INFORMATION

Device

NIS5101E1T1

Package

S−PAK

Latch Off

Shipping†

2000 Units/Reel

NIS5101E1T1G

NIS5101E2T1

S−PAK

Latch Off

(Pb−Free)

S−PAK

Auto−Retry

2000 Units/Reel

2000 Units/Reel

NIS5101E2T1G

S−PAK

Auto−Retry

(Pb−Free)

2000 Units/Reel

†For information on tape and reel specifications,

including part orientation and tape sizes, please

refer to our Tape and Reel Packaging Specification

Brochure, BRD8011/D.

© Semiconductor Components Industries, LLC, 2011

1

August, 2011 − Rev. 23

Publication Order Number:

NIS5101/D

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