Datasheet > NPS4053GH

NPS4053GH

更新时间： 2024-03-03 10:10:05

品牌	Logo	应用领域
安世 - NEXPERIA		/
页数	文件大小	规格书
23页	1463K
描述
5.5 V, 55 mOhm load switch with precision adjustable current limitProduction

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NPS4053GH 数据手册

NPS4053

5.5 V, 55 mΩ load switch with precision adjustable current

limit

Rev. 2 — 20 October 2023

Product data sheet

1. General description

3. Applications

The NPS4053 is a 5.5 V, 55 mΩ load switch with

•

USB ports/hubs, laptops, docking station and

precision adjustable current limit from 110 mA to 2.5 A.

desktops

•

Set top box

HDTV

Optical socket protection

Current limiting circuits

The NPS4053 switch limits the output current to a

constant current by using a constant-current mode

when the output load exceeds the current limit

threshold or shorted. An internal voltage comparator

disables the load switch when the output voltage is

higher than the input to protect devices on the input

side of the switch. The FLG pin is an active low output

to indicate overcurrent, over temperature and reverse

voltage conditions.

2.5 V to 5.5 V

OUT

ILIM

GND

0.1µF

120 µF

15 kΩ

100 kΩ

FLT

Fault indicator,

connect to controller

2. Features and benefits

•

Input operating voltage range (V_IN): 2.5 V to 5.5 V

Maximum continuous current (I_MAX): 2 A

ON resistance (R_DS(on)):

Control signal to turn

on/off the device

aaa-036930

•

V_IN= 5.5 V: 55 mΩ (typical)

V_IN= 3.6 V: 65 mΩ (typical)

V_IN= 2.5 V: 80 mΩ (typical)

Note: Connect at least 120 µF capacitor at output for

USB port application, other applications except USB

choose output capacitor according to actual transient

requirements.

•

Adjustable current limit: 110 mA to 2.5 A

±6 % current limit accuracy at 1.2 A

Fig. 1. Typical application circuit

ILIM pin protection: can be shorted to ground or left

floating

•

Constant current during current limit

No body diode when disabled (no current path from

pin OUT to pin IN)

•

Active reverse voltage protection

Built in soft start

UL 62368 recognition

SOT457 (TSOP6) and SOT8044-1 (HWSON6)

package option

•

ESD protection:

•

HBM: ANSI/ESDA/JEDEC JS-001 class 2

exceeds 2000 V

•

CDM: ANSI/ESDA/JEDEC JS-002 class C2a

exceeds 500 V

•

IEC 61000-4-2 contact discharge 8000 V

IEC 61000-4-2 air-gap discharge 15000 V

Specified from -40 °C to +125 °C

12 3 4 5 6 7...23

中文翻译

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