XLSEMI XL1509 2A 150KHz Buck DC to DC Converter Datasheet

This document describes the features and characteristics of the XL1509 2A 150KHz 40V Buck DC to DC Converter, including wide input voltage range, adjustable output voltage, high efficiency, and excellent line and load regulation.

Brand: Xlsemi
Document type: Datasheet
Language: English
Pages: 13
File format: PDF
File size: 271 KB
Published: 24 November, 2022
Updated: 28 September, 2023
Model: XL1509
MD5 checksum: 57A7CC21B32C0BD5D91753A65E4A9C2D
PDF: XLSEMI XL1509 2A 150KHz Buck DC to DC Converter Datasheet PDF

About this manual

The XL1509 is a 150 KHz fixed frequency PWM buck (step-down) DC/DC converter designed for applications such as LCD monitors, digital photo frames, and telecom equipment. It features an internal optimize power transistor, high efficiency, and excellent line and load regulation while requiring a minimum number of external components.

What's inside

Features
Applications
Pin Configurations
Function Block Diagram
Ordering Information
Absolute Maximum Ratings
Electrical Characteristics
Design Procedure

Specifications

Input Voltage Range	4.5V to 40V
Output Current Capability	2A
Switching Frequency	150KHz
Maximum Duty Cycle	100%
Package Type	SOIC8

Frequently asked questions

What is the feedback threshold voltage?

The feedback threshold voltage is 1.23V.

What happens when the second current limit function occurs?

The operation frequency reduces from 150KHz to 50KHz.

Is the XL1509 RoHS compliant?

Yes, products designated with an 'E1' suffix in the part number are lead-free and RoHS compliant.

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