DIO6905 datasheet(1/15 Pages) DIOO

Part #	DIO6905

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 1.8

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DIO6905 • Rev. 1.8

- 1 -

DIO6905

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 at TJ =

25°C



EN for power sequencing



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 and DFN1.6*1.6-6

packages

Applications



Wireless/Networking cards



Portable and mobile devices



Battery-powered devices



Low-voltage I/O system power



Solid-state drives (SSDs)

Descriptions

The DIO6905 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 DIO6905 adopts the COT architecture to

achieve fast transient responses and simplifies

loop stability. In addition, it operates full

protection features including cycle-by-cycle

current limit and thermal shutdown.

The DIO6905 packaged in SOT563 and

DFN1.6*1.6-6 uses fewer external components,

enabling a cost-effective solution.

Ordering Information

Ordering Part No.

Top Marking

MSL

RoHS

TA

Package

DIO6905SH3

W5A

3

Green

-40 to 105°C

SOT563

Tape & Reel, 5000

DIO6905FT6

YW5A

1

Green

-40 to 105°C

DFN1.6*1.6-6

Tape & Reel, 3000

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