NCP372 데이터 시트보기 (PDF) - ON Semiconductor

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NCP372

Positive and Negative Overvoltage Protection Controller with Internal Low Ron NMOS FETs and Status FLAG

ON Semiconductor 

NCP372

RDS(on) and Dropout

The NCP372 includes two internal low RDS(on)

N−MOSFETs to protect the system, connected on OUT pin,

from overvoltage, negative voltage and reverse current

protection. During normal operation, the RDS(on)

characteristics of the N−MOSFETs give rise to low losses

on Vout pin.

As example: Rload = 8 W, Vin= 5 V. RDS(on) = 155 mW. Iout

= 800 mA.

Vout = 4.905 V

NMOS Losses = RDS(on) x Iout2 = 0.155 x 0.82 = 0.0992 W

ORDERING INFORMATION

Device

Marking

Package

Shipping†

NCP372MUAITXG

NCAI

372

LLGA12

(Pb−Free)

3000 / Tape & Reel

†For information on tape and reel specifications, including part orientation and tape sizes, please refer to our Tape and Reel Packaging

Specifications Brochure, BRD8011/D.

SELECTION GUIDE

The NCP372 can be available in several undervoltage and overvoltage options. Part number is designated as follows:

NCP372MUxxTxG

Code

a

b

c

d

ab c d

Contents

UVLO Typical Threshold

a: A = 2.7 V

OVLO Typical Threshold

b: I = 6.3 V

Tape & Reel Type

c: X = 3000

d: G = Pb−Free

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