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DC Converter. XL2012 Datasheet

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DC Converter. XL2012 Datasheet






XL2012 Converter. Datasheet pdf. Equivalent




XL2012 Converter. Datasheet pdf. Equivalent





Part

XL2012

Description

5V/2.4A 150KHz 40V Buck DC to DC Converter



Feature


Datasheet 5V/2.4A 150KHz 40V Buck DC to DC Converter For USB Interface Features n n n n n n n n n n n Wide 8V to 40V i nput voltage range. Fixed 5V output vol tage. Maximum 2.4A output current. Fixe d 150KHz switching frequency. Internal optimize power MOSFET. High efficiency up to 92%. Built in output short shutdo wn function. Excellent line and load re gulation. Built in.
Manufacture

Xlsemi

Datasheet
Download XL2012 Datasheet


Xlsemi XL2012

XL2012; thermal shutdown function. Built in cur rent limit function. Available in SOIC- 8 package. XL2012 General Description The XL2012 is a 150 KHz fixed frequenc y PWM buck (step-down) DC/DC converter, capable of driving a 2.4A load with hi gh efficiency, low ripple and excellent line and load regulation. Requiring a minimum number of external components, the regulator is s.


Xlsemi XL2012

imple to use and include internal freque ncy compensation and a fixed-frequency oscillator. The XL2012 built in output short protection function. When short p rotection function happens, the chip wi ll be shutdown. An internal compensatio n block is built in to minimize externa l component count. Applications n n n Car Charger. Battery Charger. USB Power Supply. Figure1..


Xlsemi XL2012

Package Type of XL2012 Rev 1.0 1 www. xlsemi.com Datasheet 5V/2.4A 150KHz 40 V Buck DC to DC Converter For USB Inter face Pin Configurations XL2012 Figure2 . Pin Configuration of XL2012 (Top View ) Table 1 Pin Description Pin Number 1 2 3 4 5,6 7,8 Pin Name FB NC VC VIN SW GND Description Feedback Pin (FB). The feedback threshold voltage is 5V. No Co nnected. Internal .

Part

XL2012

Description

5V/2.4A 150KHz 40V Buck DC to DC Converter



Feature


Datasheet 5V/2.4A 150KHz 40V Buck DC to DC Converter For USB Interface Features n n n n n n n n n n n Wide 8V to 40V i nput voltage range. Fixed 5V output vol tage. Maximum 2.4A output current. Fixe d 150KHz switching frequency. Internal optimize power MOSFET. High efficiency up to 92%. Built in output short shutdo wn function. Excellent line and load re gulation. Built in.
Manufacture

Xlsemi

Datasheet
Download XL2012 Datasheet




 XL2012
5V/2.4A 150KHz 40V Buck DC to DC Converter For USB Interface
Datasheet
XL2012
Features
n Wide 8V to 40V input voltage range.
n Fixed 5V output voltage.
n Maximum 2.4A output current.
n Fixed 150KHz switching frequency.
n Internal optimize power MOSFET.
n High efficiency up to 92%.
n Built in output short shutdown function.
n Excellent line and load regulation.
n Built in thermal shutdown function.
n Built in current limit function.
n Available in SOIC-8 package.
Applications
n Car Charger.
n Battery Charger.
n USB Power Supply.
General Description
The XL2012 is a 150 KHz fixed frequency
PWM buck (step-down) DC/DC converter,
capable of driving a 2.4A 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 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.
Figure1. Package Type of XL2012
Rev 1.0
www.xlsemi.com
1




 XL2012
5V/2.4A 150KHz 40V Buck DC to DC Converter For USB Interface
Pin Configurations
Datasheet
XL2012
Figure2. Pin Configuration of XL2012 (Top View)
Table 1 Pin Description
Pin Number
1
2
3
4
5,6
7,8
Pin Name
FB
NC
VC
VIN
SW
GND
Description
Feedback Pin (FB). The feedback threshold voltage is 5V.
No Connected.
Internal Voltage Regulator Bypass Capacity. In typical system
application, The VC pin connect a 1uf capacity to VIN.
Supply Voltage Input Pin. XL2012 operates from 8V to 40V
DC voltage. Bypass Vin to GND with a suitably large
capacitor to eliminate noise on the input.
Power Switch Output Pin (SW). SW is the switch node that
supplies power to the output.
Ground Pin. Care must be taken in layout. This pin should be
placed outside of the schottky diode to output capacitor ground
path to prevent switching current spikes from inducing voltage
noise into XL2012.
Rev 1.0
www.xlsemi.com
2




 XL2012
5V/2.4A 150KHz 40V Buck DC to DC Converter For USB Interface
Function Block
Datasheet
XL2012
Figure3. Function Block Diagram of XL2012
Typical Application Circuit
Figure4. XL2012 Typical Application Circuit (VIN=8V~40V, VOUT=5V/2.4A)
Rev 1.0
www.xlsemi.com
3



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