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PDF XL6005 Data sheet ( Hoja de datos )
| Número de pieza | XL6005 | |
| Descripción | 180KHz 60V 4A Switching Current Boost LED Constant Current Driver | |
| Fabricantes | XLSEMI | |
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180KHz 60V 4A Switching Current Boost LED Constant Current Driver
Datasheet
XL6005
Features
n Wide 3.6V to 32V Input Voltage Range
n 0.22V FB adjustable LED drive current
n Directly drive 11 Series 1W LED at
VIN>=12V
n Fixed 180KHz Switching Frequency
n Max. 5A Switching Current Capability
n Up to 94% efficiency
n Excellent line and load regulation
n EN PIN TTL shutdown capability &
With PWM Dimming Function
n Internal Optimize Power MOSFET
n Built in Soft-Start Function
n Built in Frequency Compensation
n Built in Thermal Shutdown Function
n Built in Current Limit Function
n Available in TO252-5L package
General Description
The XL6005 regulator is fixed frequency PWM
Boost (step-up) LED constant current driver,
capable of driving Series 1W/3W/5W LED units
with excellent line and load regulation. The
regulator is simple to use because it includes internal
frequency compensation and a fixed-frequency
oscillator so that it requires a minimum number of
external components to work.
The XL6005 could directly drive 11 Series 1W LED
units at VIN>12V .
The PWM control circuit is able to adjust the
duty ratio linearly from 0 to 95%. 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 LED Lighting
n Boost constant current driver
n Monitor LED Backlighting
n 7’ to 15’ LCD Panels
Figure1. Package Type of XL6005
Rev 1.3
1
1 page  
180KHz 60V 4A Switching Current Boost LED Constant Current Driver
Datasheet
XL6005
XL6005 Electrical Characteristics
Ta = 25℃;unless otherwise specified.
Symbol Parameter
Test Condition
System parameters test circuit figure4
VFB
Efficiency
Feedback
Voltage
ŋ
Vin = 5V to 12V, Vout=24V
Iload=100mA
Vin=12V ,Vout=24V
Iout=1A
Min. Typ. Max. Unit
209 220 231 mV
- 92 - %
Electrical Characteristics (DC Parameters)
Vin = 12V, GND=0V, Vin & GND parallel connect a 100uf/50V capacitor; Iout=100mA, Ta =
25℃; the others floating unless otherwise specified.
Parameters
Symbol Test Condition Min. Typ. Max. Unit
Input operation voltage
Vin
3.6 32 V
Shutdown Supply Current ISTBY
Quiescent Supply Current Iq
Oscillator Frequency
Fosc
VEN=0V
VEN =2V,
VFB =Vin
70 100 uA
2.5 5 mA
144 180 216 Khz
Switch Current Limit
IL
VFB =0
5A
Output Power NMOS
Rdson
Vin=12V,
ISW=4A
110 120 mohm
EN Pin Threshold
High (Regulator ON)
VEN Low (Regulator OFF)
EN Pin Input Leakage
Current
Max. Duty Cycle
IH
IL
DMAX
VEN =2V (ON)
VEN =0V (OFF)
VFB=0V
1.4
0.8
3 10
3 10
90
V
uA
uA
%
Rev 1.3
Tel: 0755-8398 3377 / 135 9011 2223 http://www.gofotech.com
5
5 Page | ||
| Páginas | Total 9 Páginas | |
| PDF Descargar | [ Datasheet XL6005.PDF ] | |
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