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PDF XL2010 Data sheet ( Hoja de datos )
| Número de pieza | XL2010 | |
| Descripción | 3.5A 180KHz 36V Buck DC to DC Converter | |
| Fabricantes | Xlsemi | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de XL2010 (archivo pdf) en la parte inferior de esta página. Total 9 Páginas | ||
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3.5A 180KHz 36V Buck DC to DC Converter With CV/CC Loop
Datasheet
XL2010
Features
n Wide 8V to 36V Input Voltage Range
n Output Adjustable from 1.25V to 32V
n Maximum Duty Cycle 100%
n Minimum Drop Out 0.3V
n Fixed 180KHz Switching Frequency
n Maximum 3.5A Switching Current
n Internal Optimize Power MOSFET
n High efficiency
n Excellent line and load regulation
n With output constant current loop
n Built in thermal shutdown function
n Built in current limit function
n Built in output short protection function
n SOP8-EP package
Applications
n Car Charger
n Battery Charger
n LCD Monitor and LCD TV
n Portable instrument power supply
n Telecom / Networking Equipment
General Description
The XL2010 is a 180 KHz fixed frequency
PWM buck (step-down) DC/DC converter,
capable of driving a 3.5A 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 48KHz. An internal compensation
block is built in to minimize external
component count.
Rev 1.1
Figure1. Package Type of XL2010
www.xlsemi.com
1
1 page  
3.5A 180KHz 36V Buck DC to DC Converter With CV/CC Loop
Datasheet
XL2010
XL2010 Electrical Characteristics
Ta = 25℃;unless otherwise specified.
Symbol Parameter
Test Condition
System parameters test circuit figure4
VFB
Efficiency
Feedback
Voltage
ŋ
Vin = 8V to 36V, Vout=5V
Iload=0.5A to 3.5A
Vin=12V ,Vout=5V
Iout=3.1A
Min. Typ. Max. Unit
1.225 1.25 1.275 V
- 87 - %
Electrical Characteristics (DC Parameters)
Vin = 12V, GND=0V, Vin & GND parallel connect a 100uf/50V capacitor; Iout=500mA, Ta =
25℃; the others floating unless otherwise specified.
Parameters
Symbol
Test Condition Min. Typ. Max. Unit
Input operation voltage
Vin
8 36 V
Quiescent Supply Current
Iq
VFB =Vin
2.1 5
mA
Oscillator Frequency
Fosc
144 180 216 KHz
Output Short Frequency
Fosp
48 KHz
Switch Current Limit
IL
VFB =0
5A
EN Pin Threshold
VEN
High (Regulator ON)
Low (Regulator OFF)
1.7
1.1
V
Max. Duty Cycle
Output Power PMOS
DMAX
Rdson
VFB=0V
VFB=0V, Vin=12V,
ISW=3.5A
100 %
60 80 mohm
Rev 1.1
www.xlsemi.com
5
5 Page | ||
| Páginas | Total 9 Páginas | |
| PDF Descargar | [ Datasheet XL2010.PDF ] | |
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