DIO60011ASH3 datasheet(1/17 Pages) DIOO

Part #	DIO60011ASH3

Description	5.5 V, 1 A, 1.65 MHz High-Efficiency, 25 μA IQ Constant-On-Time Synchronous, Step-Down Converter

PDF	17 Pages

Scroll/Zoom	100%

Manufacturer	DIOO [DIOO MICROCIRCUITS CO., LTD]

Direct Link	https://www.dioo.com/#/

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DIO60011/A

Version 1.2, Jun 2025

www.dioo.com

I

5.5 V, 1 A, 1.65 MHz High-Efficiency, 25 μA IQ

Constant-On-Time Synchronous, Step-Down Converter



Features



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

260 mΩ / 180 mΩ, 1.0 A



2.5 V ~ 5.5 V input voltage range



25 μA typical quiescent current



High light load efficiency



High switching frequency 1.65 MHz minimizes

the external components



Output discharge function



Operation mode:

DIO60011: Auto mode

DIO60011A: Forced PWM operation



Fixed frequency COT architecture achieve ultra

fast transient response



Internal soft start limits the inrush current



100% dropout operation



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 DIO60011/A is a high-efficiency synchronous

step-down DC-DC regulator. The DIO60011/A can

achieve up to 1 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 (COT) control provides a fast

transient response and eases loop stabilization. The

DIO60011 includes an automatically entered power

save mode to maintain high efficiency down to very

light loads for extending the system battery run-time.

The DIO60011A runs in Forced PWM maintaining a

continuous conduction mode to ensure the least

ripple in the output voltage and a quasi-fixed

switching frequency.

The DIO60011/A 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

DIO60011/A

DFN-6

1.5 mm × 1.0 mm

SOT563

1.6 mm × 1.2 mm

SOT23-6

1.6 mm × 2.9 mm

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DIO60011ASH3 Datasheet(PDF) 1 Page - DIOO MICROCIRCUITS CO., LTD

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