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PDF XL6001 Data sheet ( Hoja de datos )
| Número de pieza | XL6001 | |
| Descripción | 400KHz 32V 2A Switching Current Boost LED Constant Current Driver | |
| Fabricantes | XLSEMI | |
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400KHz 32V 2A Switching Current Boost LED Constant Current Driver
Datasheet
XL6001
Features
n Wide 3.6V to 24V Input Voltage Rang
n 0.22V Constant Current Sense Voltage
n Directly drive 3~8 Series 1W LED
n Fixed 400KHz Switching Frequency
n Max. 2A Switching Current Capability
n Up to 92% efficiency
n Excellent line and load regulation
n EN PIN TTL shutdown capability
n Internal Optimize Power MOSFET
n Built in LED Open Protection
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 SOP8 package
Applications
n LED Lighting
n Boost constant current driver
n Monitor LED Backlighting
n 7’ to 15’ LCD Panels
General Description
The XL6001 regulator is fixed frequency PWM
Boost (step-up) LED constant current driver,
capable of driving Series 1W 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 XL6001 could directly drive 5~8 Series 1W
LED units at VIN>12V .
The PWM control circuit is able to adjust the
duty ratio linearly from 0 to 90%. An enable
function, an over current protection function
is built inside. An internal compensation
block is built in to minimize external
component count.
Figure1. Package Type of XL6001
Rev 1.2
1
1 page  
400KHz 32V 2A Switching Current Boost LED Constant Current Driver
Datasheet
XL6001
XL6001 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= 6*1W LED
Iout=0.3A
Min. Typ. Max. Unit
209 220 231 mV
- 92 - %
Electrical Characteristics (DC Parameters)
Vin = 12V, GND=0V, Vin & GND parallel connect a 47uf/25V capacitor; Iout=50mA, Ta =
25℃; the others floating unless otherwise specified.
Parameters
Symbol Test Condition Min. Typ. Max. Unit
Input operation voltage
Vin
3.6 24 V
Shutdown Supply Current ISTBY
Quiescent Supply Current Iq
Oscillator Frequency
Fosc
VEN=0V
VEN =2V,
VFB =Vin
70 100
2.5 5
320 400 480
uA
mA
Khz
Switch Current Limit
IL
VFB =0
2A
Output Power NMOS
Rdson
Vin=12V,
ISW=2A
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 1.2
Tel: 0755-8398 3377 / 135 9011 2223 http://www.gofotech.com
5
5 Page | ||
| Páginas | Total 9 Páginas | |
| PDF Descargar | [ Datasheet XL6001.PDF ] | |
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