DIO6905CSH3 datasheet(1/15 Pages) DIOO

Part #	DIO6905CSH3

Description	2 A, Synchronous, Step-Down Converter with Low 15 μA Quiescent Current

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Manufacturer	DIOO [DIOO MICROCIRCUITS CO., LTD]

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Rev 1.1

www.dioo.com

DIO6905C • Rev. 1.1

- 1 -

DIO6905C

2 A, Synchronous, Step-Down Converter with Low 15 µA

Quiescent Current

Features



Input voltage range from 2.3 V to 5.5 V



Up to 2 A output current



Low quiescent current: 15 μA



Output adjustable from 0.6 V



1.65 MHz typical switching frequency



EN for power sequencing



Forced PWM operation



Low RDS(ON) for internal switches

(Top / Bottom): 120 mΩ / 80 mΩ



Output discharge function



100% duty cycle in drop



Hiccup for short-circuit protection (SCP)



Stable with low ESR output ceramic

capacitors



Available in SOT563 package

Applications



Wireless / Networking cards



Portable and mobile devices



Battery-powered devices



Low-voltage I/O system power



Solid-state drives (SSDs)

Descriptions

The DIO6905C is a high-efficiency, 1.65 MHz

synchronous step down DC / DC converter with

power MOSFETs integrated. It can achieve an

output current of 2 A under an input voltage of

2.3 V to 5.5 V, and has good load and line

regulation. The output voltage can be adjusted

from 0.6 V.

The DIO6905C adopts the COT architecture to

achieve fast transient responses and simplifies

loop stability. In addition, it operates full

protection

features

include

cycle-by-cycle

current limit and thermal shutdown.

The DIO6905C is packaged in SOT563, which

uses fewer external components, enabling a

cost-effective solution.

Ordering Information

Part Number

Top Marking

RoHS

TA

Package

DIO6905CSH3

W5C

Green

-40 to 85°C

SOT563

Tape & Reel, 5000

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