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PDF XL8004 Data sheet ( Hoja de datos )
| Número de pieza | XL8004 | |
| Descripción | 80V 1A Switching Current Buck PFM LED Constant Current Driver | |
| Fabricantes | XLSEMI | |
| Logotipo |  |
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XLSEMI
80V 1A Switching Current Buck PFM LED Constant Current Driver
Datasheet
XL8004
Features
n Wide 24V to 80V Input Voltage Range
n 0.2V current sense voltage reference.
n Directly drive 3~8 series 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 TO252-5L package.
Applications
n EBIKE LED Lighting
n LED Lighting & LED LAMP
n General purpose lighting
General Description
The XL8004 is a monolithic high voltage
switching regulator with PFM that is
specifically designed to operate from a
24V~80V DC supply.
The XL8004 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.
Figure1. Package Type of XL8004
Rev 1.0
www.xlsemi.com
1
Free Datasheet http://www.Datasheet4U.com
1 page  
XLSEMI
80V 1A Switching Current Buck PFM LED Constant Current Driver
[1] Typical application circuit (3W ~ 8W)
Datasheet
XL8004
Figure5. XL8004 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)
35.98
35.97
35.97
35.97
35.96
35.96
Vin(V)
47.99
47.99
47.98
47.98
47.98
47.98
VIN=36V DC
Iin(mA)
Vout(V)
88 9.59
113 12.75
139 16.02
163 19.15
187
210
Iin(mA)
22.33
25.59
VIN=48V DC
Vout(V)
67 9.61
87 12.76
107 16.04
125 19.18
143 22.36
162 25.60
Rev 1.0
5
Iout(mA)
300
297
294
290
287
285
Fosc(KHz)
40.1
45.5
48.0
47.7
44.4
38.0
Effiency(%)
90.86
93.16
94.20
94.72
95.30
96.58
Iout(mA)
305
301
298
295
292
288
Fosc(KHz)
41.9
49.6
55.4
58.8
60.2
59.7
Effiency(%)
91.16
91.99
93.11
94.34
95.16
94.85
www.xlsemi.com
Free Datasheet http://www.Datasheet4U.com
5 Page 
XLSEMI
80V 1A Switching Current Buck PFM LED Constant Current Driver
Package Information
TO252-5L
Datasheet
XL8004
Rev 1.0
11
www.xlsemi.com
Free Datasheet http://www.Datasheet4U.com
11 Page | ||
| Páginas | Total 11 Páginas | |
| PDF Descargar | [ Datasheet XL8004.PDF ] | |
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