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SOT25

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AP3410A (NRND)

NRND = Not Recommended for New Design

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Description

The AP3410 is a high efficiency step-down DC-DC voltage converter. The chip operation is optimized by peak-current mode architecture with built-in synchronous power MOSFET switchers. The oscillator and timing capacitors are all built-in providing an internal switching frequency of 1.5MHz that allows the use of small surface mount inductors and capacitors for portable product implementations. Integrated Soft Start (SS), Under Voltage Lock Out (UVLO), Thermal Shutdown Detection (TSD) and Short Circuit Protection are designed to provide reliable product applications. The device is available in adjustable output voltage version ranging from 0.6V to 0.9μVIN when input voltage range is from 2.5V to 5.5V, and is able to deliver up to 1.2A.

Application(s)

  • Post DC-DC Voltage Regulation
  • PDA and Notebook Computer

Specifications & Technical Documents

Product Parameters

Efficiency (%)

94

Frequency Typ (Hz)

1500

HS RDS(ON) (mΩ)

200

LS RDS(ON) (mΩ)

200

MaximumInput Voltage (V)

5.5

MinimumInput Voltage (V)

2.5

Output Current (A)

1.2

Output Voltage (V)

0.6 to 0.9xVIN

Quiescent Current Typ (μA)

0.22

Shutdown Current Typ (µA)

0.1

Type

Buck

Related Content

Packages

Technical Documents

Recommended Soldering Techniques

TN1.pdf

Purchase & Availability

Product Change Notices (PCNs)

A PCN may only apply to specific orderable part numbers in this datasheet. Please refer to the corresponding PCN to see the exact orderable part number(s) affected.

PCN # Issue Date Implementation Date Subject
PCN-2770 2025-10-30 2025-10-30 Add Fab Site Code, Country of Diffusion (COD) and Assembly Site Origin (ASO) on Product and Shipping Labels for all Diodes Products