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XLSEMI

XL2005 Datasheet Preview

XL2005 Datasheet

2A 160KHz 32V Buck DC/DC Converter

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2A 160KHz 32V Buck DC/DC Converter With CV/CC Loop
Datasheet
XL2005
Features
n Wide 8V to 32V Input Voltage Range
n Output Adjustable from 0.8V to 26V
n Minimum Drop Out 0.3V
n Fixed 160KHz Switching Frequency
n Maximum 2A Output Current Capability
n Internal Optimize Power MOSFET
n Excellent line and load regulation
n High efficiency up to 92%
n TTL shutdown capability
n EN pin with hysteresis function
n With output constant current loop
n Built in Constant Voltage (CV) Loop
n Built in Constant Current (CC) Loop
n Built in thermal shutdown function
n Built in output short protection
n SOP8 package
General Description
The XL2005 is a 160 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. 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. An internal compensation
block is built in to minimize external
component count.
Applications
n Car Charger
n Battery Charger
Figure1. Package Type of XL2005
http://www.junyi-ic.com TEL:0755-29955070 FAX:0755-27858707
Free Datasheet http://www.Datasheet4U.com




XLSEMI

XL2005 Datasheet Preview

XL2005 Datasheet

2A 160KHz 32V Buck DC/DC Converter

No Preview Available !

2A 160KHz 32V Buck DC/DC Converter With CV/CC Loop
Pin Configurations
Datasheet
XL2005
Figure2. Pin Configuration of XL2005 (Top View)
Table 1 Pin Description
Pin Number
1
2
3
4
5,6
7,8
Pin Name
FB
EN
OCSET
VIN
SW
GND
Description
Feedback Pin (FB). Through an external resistor divider
network, Feedback senses the output voltage and regulates it.
The feedback threshold voltage is 0.8V.
Enable Pin. Drive EN pin low to turn off the device, drive it
high to turn it on.
Output Constant Current Set Pin.
Supply Voltage Input Pin. XL2005 operates from a 8V to 32V
DC voltage. Bypass Vin to GND with a suitably large capacitor
to eliminate noise on the input.
Power Switch Output Pin (SW). Output is the switch node that
supplies power to the output.
Ground Pin.
http://www.junyi-ic.com TEL:0755-29955070 FAX:0755-27858707
Free Datasheet http://www.Datasheet4U.com


Part Number XL2005
Description 2A 160KHz 32V Buck DC/DC Converter
Maker XLSEMI
Total Page 8 Pages
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