XL1509 - 150KHz fixed frequency PWM buck DC/DC converter

XL1509 Datasheet Preview — Preview of XL1509 PDF

Datasheet Details

Part number	XL1509
Manufacturer	UMW
File Size	1.91 MB
Description	150KHz fixed frequency PWM buck DC/DC converter
Datasheet	XL1509-UMW.pdf

XL1509 Product details

Description

The XL1509 is a 150 KHz fixed frequency PWM buck (step-down) DC/DC converter, capable of driving a 2A load with high efficiency, low ripple and excellent line and load regulation.

Features

n Wide 4.5V to 40V Input Voltage Range n 3.3V,5V,12V, and adjustable versions n Output Adjustable from 1.23V to 37V n Maximum Duty Cycle 100% n Minimum Drop Out 1.5V n Fixed 150KHz Switching Frequency n 2A Constant Output Current Capability n Internal Optimize Power Transistor n High efficiency n Excellent line and load regulation n TTL shutdown capability n ON/OFF pin with hysteresis function n Built in thermal shutdown function n Built in current limit function n Built in second current limit.

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Published: Aug 18, 2025 |