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PDF XL7007 Data sheet ( Hoja de datos )
| Número de pieza | XL7007 | |
| Descripción | 0.8A 180KHz 65V Buck DC to DC Converter | |
| Fabricantes | Xlsemi | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de XL7007 (archivo pdf) en la parte inferior de esta página. Total 11 Páginas | ||
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XLSEMI
0.8A 180KHz 65V Buck DC to DC Converter
Datasheet
XL7007
Features
n Wide 10V to 65V Operating Input Range
n Output Adjustable from 1.25V to 50V
n Maximum Duty Cycle 100%
n Minimum Drop Out 0.3V
n Fixed 180KHz Switching Frequency
n Maximum 0.8A Switching Current
n Internal Optimize Power MOSFET
n High efficiency
n Excellent line and load regulation
n Built in thermal shutdown function
n Built in current limit function
n Built in output short protection function
n Available in SOP8L package
Applications
n Car Charger
n Battery Charger
n Ebike controller power supply
n Portable instrument power supply
n Telecom / Networking Equipment
General Description
The XL7007 is a 180KHz fixed frequency
PWM buck (step-down) DC/DC converter,
capable of driving a 0.8A 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 over
current protection function is built inside.
When short protection function happens, the
operation frequency will be reduced from
180KHz to 36KHz. An internal compensation
block is built in to minimize external
component count.
Figure1. Package Type of XL7007
Rev 1.1
www.xlsemi.com
1
1 page  
XLSEMI
0.8A 180KHz 65V Buck DC to DC Converter
Datasheet
XL7007
XL7007 Electrical Characteristics
Ta = 25℃;unless otherwise specified.
Symbol Parameter
Test Condition
System parameters test circuit figure4
VFB
Efficiency
Feedback
Voltage
ŋ
Efficiency
ŋ
Vin = 16V to 65V, Vout=15V
Iload=0.1A to 0.4A
Vin=36V ,Vout=15V
Iout=0.5A
Vin=48V ,Vout=15V
Iout=0.4A
Min. Typ. Max. Unit
1.225 1.25 1.275 V
- 90 - %
- 86 - %
Electrical Characteristics (DC Parameters)
Vin = 48V, GND=0V, Vin & GND parallel connect a 33uf/100V capacitor; Iout=100mA, Ta =
25℃; the others floating unless otherwise specified.
Parameters
Symbol Test Condition Min. Typ. Max. Unit
Input operation voltage
Vin
10 65 V
Quiescent Supply Current
Iq
VFB =Vin
3 5 mA
Oscillator Frequency
Fosc
144 180 216 KHz
Output Short Frequency
Fosp
36 KHz
Switch Current Limit
IL VFB =0
1A
Max. Duty Cycle
Output Power PMOS
DMAX
Rdson
VFB=0V
VFB=0V, Vin=48V,
ISW=0.8A
100 %
180 210 mohm
Rev 1.1
www.xlsemi.com
5
5 Page 
XLSEMI
0.8A 180KHz 65V Buck DC to DC Converter
Datasheet
XL7007
Important Notice
XLSEMI reserve the right to make modifications, enhancements, improvements, corrections or
other changes without notice at any time. XLSEMI does not assume any liability arising out of
the application or use of any product described herein; neither does it convey any license under
its patent rights, nor the rights of others. XLSEMI assumes no liability for applications assistance
or the design of Buyers’ products. Buyers are responsible for their products and applications
using XLSEMI components. To minimize the risks associated with Buyers’ products and
applications, Buyers should provide adequate design and operating safeguards. XLSEMI
warrants performance of its products to the specifications applicable at the time of sale, in
accordance with the warranty in XLSEMI’s terms and conditions of sale of semiconductor
products. Testing and other quality control techniques are used to the extent XLSEMI deems
necessary to support this warranty. Except where mandated by applicable law, testing of all
parameters of each component is not necessarily performed.
For the latest product information, go to www.xlsemi.com.
Rev 1.1
www.xlsemi.com
11
11 Page | ||
| Páginas | Total 11 Páginas | |
| PDF Descargar | [ Datasheet XL7007.PDF ] | |
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