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XL2596T-12E1

Description
12V
CategoryPower/power management    DC - DC chip   
File Size396KB,14 Pages
ManufacturerXLSEMI
Websitehttp://www.xlsemi.com/
Shanghai Xinlong Semiconductor Technology Co., Ltd. is a design company specializing in the development of power management analog integrated circuits. Xinlong's core R&D and management team consists of a group of senior experts from the industry's top semiconductor design companies. Xinlong combines the industry's advanced design technology with the local advantageous industrial chain in the Asia-Pacific region to serve the global market and provide customers with a full range of fast, efficient and cost-effective power management solutions and services. Xinlong Semiconductor has a number of core patented technologies in the field of high-voltage, high-efficiency and high-power power management integrated circuits; the main applications of its products involve handheld portable electronic products, consumer home appliances, automotive electronics, industrial control and computers, semiconductor lighting, new energy management, multimedia audio and video and other fields. Xinlong Semiconductor has a high-voltage process with independent intellectual property rights, innovative design concepts, and professional power chip packaging technology; it is in the leading position in the field of high-voltage, high-power monolithic switching power supply integrated circuits and high-power LED lighting. Xinlong Semiconductor has always adhered to the business philosophy of "professional, focused, pragmatic, innovative, efficient, and communicative", and adheres to the principle of "resource sharing and win-win cooperation" with channel dealers to provide customers with cost-effective, independent intellectual property rights, semiconductor boutique chips, solutions and quality services. Xinlong Semiconductor is committed to becoming a world-class power management analog integrated circuit design company.
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XL2596T-12E1 Overview

12V

XL2596T-12E1 Preview

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Datasheet
3A 150KHz 40V Buck DC to DC Converter
Features
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Wide 4.5V to 40V Input Voltage Range
3.3V,5V,12V, and adjustable versions
Output Adjustable from 1.23V to 37V
Maximum Duty Cycle 100%
Minimum Drop Out 1.5V
Fixed 150KHz Switching Frequency
3A Constant Output Current Capability
Internal Optimize Power Transistor
High efficiency
Excellent line and load regulation
TTL shutdown capability
ON/OFF pin with hysteresis function
Built in thermal shutdown function
Built in current limit function
Built in second current limit function
Available in TO-220,TO-263 packages
XL2596
General Description
The XL2596 is a 150 KHz fixed frequency
PWM buck (step-down) DC/DC converter,
capable of driving a 3A load with high
efficiency, low ripple and excellent line and
load regulation. Requiring a minimum
number of external components, the regulator
is simple to use and include internal
frequency
compensation
and
a
fixed-frequency oscillator.
The PWM control circuit is able to adjust the
duty ratio linearly from 0 to 100%. An enable
function, an over current protection function
is built inside. When second current limit
function happens, the operation frequency
will be reduced from 150KHz to 50KHz. An
internal compensation block is built in to
minimize external component count.
Applications
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LCD Monitor and LCD TV
Digital Photo Frame
Set-up Box
ADSL Modem
Telecom / Networking Equipment
Figure1. Package Type of XL2596
Rev 2.4
1
www.xlsemi.com
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