XL1509-5.0E1 SMD IC DC to DC Converter SOIC8 2A 5V

Product Overview:

A high-efficiency, monolithic switching regulator integrated circuit designed for step-down (buck) DC-DC conversion. It features an internal power MOSFET and is optimized for low-component-count designs, providing robust output regulation for applications like LCD displays, modems, and telecom equipment.

Core Specifications:

Manufacturer: XLSEMI

Package Type: SOIC-8

Function: 2A 150kHz 40V Buck DC-DC Converter

Output Voltage: 3.3V, 5V, 12V, and Adjustable versions (1.23V to 37V)

Control Interface: TTL Shutdown/Enable (ON/OFF pin with hysteresis)

Features:

• Wide input voltage range: 4.5V to 40V

• Constant output current capability: 2A

• Fixed 150KHz switching frequency

• Integrated power transistor with high efficiency

• Excellent line and load regulation

• Built-in thermal shutdown and current limit protection

• Second current limit function (reduces frequency from 150KHz to 50KHz)

Applications:

• LCD monitors and TVs

• Digital photo frames

• Set-top boxes

• ADSL modems

• Telecom and networking equipment