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PDF XL8005 Data sheet ( Hoja de datos )
| Número de pieza | XL8005 | |
| Descripción | 100V 0.5A Switching Current Buck PFM LED Constant Current Driver | |
| Fabricantes | Xlsemi | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de XL8005 (archivo pdf) en la parte inferior de esta página. Total 7 Páginas | ||
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XLSEMI
100V 0.5A Switching Current Buck PFM LED Constant Current Driver
Datasheet
XL8005
Features
n Wide 24V to 100V Input Voltage Range
n 0.2V current sense voltage reference.
n Directly drive 3~8 series 1W LED.
n Excellent line and load regulation.
n High efficiency up to 96%.
n Minimum Drop out >6V.
n Internal optimize power HV-MOSFET.
n Built in thermal shutdown function.
n Built in UVLO function.
n Built in current limiting function.
n Built in LED open & short protection.
n Built in soft-start circuit.
n Available in SOIC-8 package.
General Description
The XL8005 is a monolithic high voltage
switching regulator with PFM that is
specifically designed to operate from a
24V~100V DC supply.
The XL8005 is a high efficiency LED driver
switching regulator. The LED string is driven
at DC constant current rather than constant
voltage, thus providing constant current
output and enhanced reliability.
Applications
n EBIKE LED Lighting
n LED Lighting & LED LAMP
n General purpose lighting
Rev 1.0
Figure1. Package Type of XL8005
www.xlsemi.com
1
1 page  
XLSEMI
100V 0.5A Switching Current Buck PFM LED Constant Current Driver
[1] Typical application circuit (3W ~ 8W)
R1 330K
VIN 5,6
VDD
2
XL8005
3 CSP
4 SW
C1
2.2uF
Ceramic
RCS
0.68Ω
L1
1mh/0.6A
DC
24V~100V
Cin
33uf/100V
CSN
7,8
DF
S210
Cout
100uf/35V
DD
BAV21W
R2
30K
0.25W
Datasheet
XL8005
Rev 1.0
ILED=0.2V/RCS
Output Series 3~8 * 1W LED
[1] Input DC 24V~100V.
[2] Output Constant Current Drive Series 3~8 * 1W LED.
[3] Support Output LED Open & Short Protection.
Efficiency VS LED String
98
96
94
92
90
88
86
84 VIN=24V,ILED=300mA
82 VIN=36V,ILED=300mA
VIN=48V,ILED=300mA
80 VIN=60V,ILED=300mA
78 VIN=72V,ILED=300mA
76 VIN=84V,ILED=300mA
74 VIN=96V,ILED=300mA
72
70
345678
LED String(N*1W)
Figure5. XL8005 System Application& efficiency curve
5
www.xlsemi.com
5 Page | ||
| Páginas | Total 7 Páginas | |
| PDF Descargar | [ Datasheet XL8005.PDF ] | |
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