NCP1529ASNT1G - onsemi

Manufacturer Part Number

NCP1529ASNT1G

Manufacturer

onsemi

Introduction

The NCP1529ASNT1G is a highly compact, high-efficiency step-down DC DC switching regulator from onsemi, designed for portable and battery-operated devices.

Product Features and Performance

Step-Down (Buck) regulator topology

Adjustable output voltage range from 0.9V to 3.9V

Supports input voltage range from 2.7V to 5.5V

Capable of delivering output current up to 1A

High switching frequency of 1.7MHz enabling small external components

Integrated synchronous rectifier for improved efficiency

Operation temperature range from -40°C to 85°C

Offered in a compact SOT-23-5 Thin, TSOT-23-5 package

Product Advantages

High efficiency for prolonged battery life

Small footprint suitable for space-constrained applications

Flexible input voltage suitable for various battery technologies

Simple external circuitry due to adjustable output voltage

Key Technical Parameters

Voltage Input (Min): 2.7V

Voltage Input (Max): 5.5V

Voltage Output (Min/Fixed): 0.9V

Voltage Output (Max): 3.9V

Current Output: 1A

Frequency Switching: 1.7MHz

Operating Temperature: -40°C to 85°C

Quality and Safety Features

Built-in thermal shutdown and current limit for enhanced safety

Under-voltage lockout (UVLO) for reliable operation

Compatibility

Compatible with a wide range of capacitors and inductors due to high switching frequency

Application Areas

Portable and battery-powered devices

Wireless and IoT devices

Wearable technology

Medical devices

Product Lifecycle

Currently marked as Last Time Buy, indicating it is nearing discontinuation

Availability of replacements or upgrades should be checked for long-term projects

Several Key Reasons to Choose This Product

High efficiency ensures extended battery life in portable applications

Compact package size is ideal for space-constrained designs

Wide input voltage range accommodates various battery chemistries

High switching frequency allows for the use of small, inexpensive external components

Robust protection features ensure long-term reliability in the field