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PDF XL8003 Data sheet ( Hoja de datos )
| Número de pieza | XL8003 | |
| Descripción | 80V 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 XL8003 (archivo pdf) en la parte inferior de esta página. Total 7 Páginas | ||
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XLSEMI
80V 0.5A Switching Current Buck PFM LED Constant Current Driver
Datasheet
XL8003
Features
n Wide 24V to 80V 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 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.
Applications
n EBIKE LED Lighting
n LED Lighting & LED LAMP
n General purpose lighting
General Description
The XL8003 is a monolithic high voltage
switching regulator with PFM that is
specifically designed to operate from a
24V~80V DC supply.
The XL8003 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.
Rev 1.2
Figure1. Package Type of XL8003
1
1 page  
XLSEMI
80V 0.5A Switching Current Buck PFM LED Constant Current Driver
[1] Typical application circuit (3W ~ 8W)
Datasheet
XL8003
Figure5. XL8003 System Application (3W ~ 8W)
The figure5 system parameters as following:
1W LED Series
3
4
5
6
7
8
1W LED Series
3
4
5
6
7
8
Vin(V)
35.97
35.98
35.98
35.97
35.96
35.96
Vin(V)
47.99
47.99
47.99
47.98
47.98
47.98
VIN=36V DC
Iin(mA)
Vout(V)
Iout(mA) Fosc(KHz) Effiency(%)
89 9.60 297 44.9 89.06
114 12.79
294 50.0 91.68
140 16.07
291 53.7 92.84
164 19.22
289 53.0 94.16
188 22.41
287 49.1 95.14
212 25.68
285 41.8 96.00
VIN=48V DC
Iin(mA)
Vout(V)
Iout(mA) Fosc(KHz) Effiency(%)
68 9.62 300 47.6 88.44
87 12.79 298 56.2 91.29
107 16.07
295 62.6 92.32
125 19.21
292 66.6 93.53
144 22.41
290 68.1 94.06
16T2el: 0755-82359.8673377 / 135 9280711 2223 ht6tp7:./2/www.gofo9t4e.c7h8.com
Rev 1.2
5
5 Page | ||
| Páginas | Total 7 Páginas | |
| PDF Descargar | [ Datasheet XL8003.PDF ] | |
Hoja de datos destacado
| Número de pieza | Descripción | Fabricantes |
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| XL8003 | 80V 0.5A Switching Current Buck PFM LED Constant Current Driver | XLSEMI |
| XL8004 | 80V 1A Switching Current Buck PFM LED Constant Current Driver | XLSEMI |
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