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XL2012自带恒压限流环路的高效率降压型单片车充专用芯片(官方版)
Datasheet
5V/2.4A 150KHz 40V Buck DC to DC Converter For USB Interface XL2012
Features General Description
n Wide 8V to 40V input voltage range. The XL2012 is a 150 KHz fixed frequency
n Fixed 5V output voltage. PWM buck (step-down) DC/DC converter,
n Maximum 2.4A output current. capable of driving a 2.4A load with high
n Fixed 150KHz switching frequency. efficiency, low ripple and excellent line and
n Internal optimize power MOSFET. load regulation. Requiring a minimum
n High efficiency up to 92%. number of external components, the regulator
n Built in output short shutdown function. is simple to use and include internal
n Excellent line and load regulation. frequency compensation and a
n Built in thermal shutdown function. fixed-frequency oscillator.
n Built in current limit function.
n Available in SOIC-8 package. The XL2012 built in output short protection
function. When short protection function
happens, the chip will be shutdown. An
internal compensation block is built in to
minimize external component count.
Applications
n Car Charger.
n Battery Charger.
n USB Power Supply.
Figure1. Package Type of XL2012
Rev 1.0
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