DIO60120CS8 datasheet(1/22 Pages) DIOO

部件名	DIO60120CS8

功能描述	5.5 V, 2 A, 1 MHz High-Efficiency, 15 μA IQ Constant-On-Time Synchronous, Step-Down Converter

PDF	22 Pages

Scroll/Zoom	100%

制造商	DIOO [DIOO MICROCIRCUITS CO., LTD]

网页	https://www.dioo.com/#/

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1 / 22 page

DIO60120

Version 1.3, Aug 2025

www.dioo.com

I

5.5 V, 2 A, 1 MHz High-Efficiency, 15 μA IQ

Constant-On-Time Synchronous, Step-Down Converter



Features



Low RDS(ON) for internal switches (top / bottom)

100 mΩ / 80 mΩ, 2.0 A



2.5 V ~ 5.5 V input voltage range



15 μA typical quiescent current



High switching frequency 1 MHz minimizes the

external components



100% dropout operation



Output discharge function



Power-good output



Fixed frequency COT architecture achieve ultra

fast transient response



Internal soft start limits the inrush current



Operating temperature range: -40°C to 85°C



Applications



Portable navigation devices



Set top boxes



USB dongle



Media players



Smart phones



Package Information



Description

The DIO60120 is a high-efficiency synchronous

step-down DC-DC regulator. The DIO60120 can

achieve up to 2 A continuous output current from a

2.5 V to 5.5 V input voltage with excellent load and

line regulation. The output voltage can be regulated

to as low as 0.6 V.

Constant-on-time control provides a fast transient

response and eases loop stabilization. The

DIO60120 includes an automatically entered power

save mode to maintain high efficiency down to very

light loads for extending the system battery run-time.

The DIO60120 is ideal for a wide range of

applications, including portable navigation devices,

set top boxes and media players.



Simplified Schematic

Part Number

Package

Body Size

DIO60120

SOT23-5

1.6 mm × 2.9 mm

SOT23-6

1.6 mm × 2.9 mm

DFN2*2-8

2 mm × 2 mm

DFN3*3-10

3 mm × 3 mm

SOIC-8

3.9 mm × 4.9 mm

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