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AP63300WU-7

DIOAP63300WU-7

Diodes Incorporated
Buck Switching Regulator IC Positive Adjustable 0.8V 1 Output 3A SOT-23-6 Thin, TSOT-23-6
Active34,960 in stock
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Overview

The AP63300WU-7 is a 3A, synchronous buck converter with a wide input voltage range of 3.8V to 32V. It utilizes a proprietary gate driver design and Frequency Spread Spectrum (FSS) to minimize electromagnetic interference (EMI) in compact power designs. The device integrates high-side and low-side power MOSFETs to reduce external component count and simplify PCB layout.

Why Choose This Part

The AP63300WU-7 offers excellent EMI performance through Frequency Spread Spectrum and a specialized gate driver that reduces switching node ringing. Its low 22uA quiescent current and Pulse Frequency Modulation (PFM) mode ensure high efficiency during light-load conditions, while the TSOT26 package provides a high power density for 3A loads.

Applications

Industrial 24V Rail Supplies
Provides efficient step-down conversion for industrial systems utilizing standard 24V DC power rails.
Distributed Power Architectures
Acts as a localized point-of-load regulator for digital systems requiring high current in a small TSOT26 footprint.
White Goods and Appliances
The integrated EMI reduction features make it suitable for noise-sensitive consumer appliance control boards.
Automotive Aftermarket Accessories
Handles 12V and 24V vehicle battery inputs for powering dash cams, chargers, and infotainment add-ons.

Key Specifications

Function Step-Down
Topology Buck
Output Type Adjustable
Mounting Type Surface Mount
Package / Case SOT-23-6 Thin, TSOT-23-6
Current - Output 3A
Number of Outputs 1
Output Configuration Positive
Frequency - Switching 500kHz
Operating Temperature -40degC ~ 85degC (TA)
Synchronous Rectifier Yes
Voltage - Input (Max) 32V
Voltage - Input (Min) 3.8V
Voltage - Output (Max) 31V
Supplier Device Package TSOT-26
Voltage - Output (Min/Fixed) 0.8V

Getting Started

When designing with the AP63300WU-7, place the input bypass capacitors as close as possible to the VIN and GND pins to minimize high-frequency noise. Use the AP63300EVB evaluation board to validate thermal performance and EMI profiles before finalizing the PCB layout. Engineers should also utilize the precision enable threshold to implement custom undervoltage lockout (UVLO) settings for specific battery-powered applications.

AP6330 Family

Part NumberDifferenceStock
AP63301WU-7 1WU-7 65,988