Datasheet > DIO7971

DIO7971

更新时间： 2024-11-19 17:00:59

品牌	Logo	应用领域
帝奥微 - DIOO		/
页数	文件大小	规格书
13页	3067K
描述
The DIO7971 is a single-channel space-saving load switch containing an integrated power-good indic

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DIO7971 数据手册

Rev 1.0

DIO7971

3.6 V, 3 A, 6.8 mΩ On-Resistance Load Switch with

Adjustable Fast Turn-On and Power Good

Features

Descriptions



Input voltage range from 0.65 V to 3.6 V

The DIO7971 is a single-channel space-saving

load switch containing an integrated power-good

indicator with a controlled and adjustable turn-on

slew rate. Containing an N-channel MOSFET, the

Maximum continuous switch current: 3 A

Quiescent current: 26 µA (typ.) at 3.6 V_IN

Shutdown current: 1 µA (typ.) at 3.6 V_IN

On-resistance

device can support

a maximum continuous

– R_DS(on)= 6.8 mΩ (typ.) at V_IN≥ 1.8 V

– R_DS(on)= 11.5 mΩ (typ.) at V_IN= 0.65 V

Adjustable slew rate through CT pin

Power-good indicator after switch turn-on

Low enable (EN) threshold of 0.9 V (V_IH)

supports use of low voltage control logic

Thermal shutdown

current of 3 A and can operate over a low input

voltage range of 0.65 V to 3.6 V. The voltage drops

and power loss is reduced greatly by a low

on-resistance of 6.8 mΩ. On and off input (EN)

controls the switch, which can interface directly

with low-voltage control signals.



The DIO7971 has a fast turn-on function that can

reduce the system turn-on and waiting time. The

adjustable slew rate can limit the inrush current.

Quick output discharge (R_DIS): 150 Ω (typ.)

Package: WLCSP-8

Applications

A power-good (PG) indicator indicates the ON

state of the switch by monitoring the power-mos

gate threshold internally. A 150 Ω on-chip resistor

quickly discharges the output to the ground and

keeps it from floating when the switch is disabled.



Industrial PCs & notebooks

Tablets

Computer on modules

Optical modules

Storage instrument

The DIO7971 is available in a WLCSP-8 (0.5 mm

pitch) package, which is rated over the

temperature range of -40°C to 105°C and

integrates thermal shutdown to turn off in case of

overheating.

Typical Application

Figure 1. Typical Application

www.dioo.com

DIO7971• Rev. 1.0

12 3 4 5 6 7...13

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