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PDF XL8001 Data sheet ( Hoja de datos )
| Número de pieza | XL8001 | |
| Descripción | 80V 0.5A High Efficiency Buck PFM LED Constant Current Driver | |
| Fabricantes | XLSEMI | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de XL8001 (archivo pdf) en la parte inferior de esta página. Total 8 Páginas | ||
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XLSEMI
Preliminary Datasheet
80V 0.5A High Efficiency Buck PFM LED Constant Current Driver
XL8001
Features
n Operation Voltage DC 12V~80V.
n 0.1V current sense voltage reference.
n Directly drive 1~8 Series 1W LED.
n Excellent line and load regulation.
n Internal Optimize Power HV-MOSFET.
n Built in Thermal Shutdown Function.
n Built in Current Limiting Function.
n Built in Soft-Start Circuit.
n Available in SOIC-8 package.
n Up to 97% efficiency.
General Description
The XL8001 is a monolithic high voltage
switching regulator with PFM that is
specifically designed to operate from a
12V~80V DC power supply.
The XL8001 is a high efficiency LED driver
switching regulator. The LED string is driven
at DC constant current rather than constant
voltage, thus providing constant light output
and enhanced reliability.
Applications
n LED Lighting & LED LAMP
n General purpose LED lighting
Figure1. Package Type of XL8001
Rev 1.0
1
1 page  
XLSEMI
Preliminary Datasheet
80V 0.5A High Efficiency Buck PFM LED Constant Current Driver
XL8001
XL8001 Electrical Characteristics
Ta = 25℃;unless otherwise specified. Reference test circuit figure4
Symbol Parameter
Test Condition
Min. Typ. Max. Unit
VCSP
Efficiency
CSP
Voltage
VIN=60V; Iled=300mA;
Series 1~8 1W LED
95 100 105 mV
ŋ VIN=60V; Iled=300mA; Pout=8W - 93.9 - %
Electrical Characteristics (DC Parameters)
Parameters
Symbol Test Condition Min. Typ. Max. Unit
Input operation voltage
Switching Frequency
VIN 12 80 V
Figure4 (8*1W)
Fosc 65.2 81.5 97.8 KHz
VIN=60V
Max. Duty Cycle
VDMOS Drain-Source
Breakdown Voltage
VDMOS
Drain-Source on resistor
Thermal Shutdown
DMAX
VBRDS
RDSON
OTP
VGS=0V,
IDS=250uA
IDS=0.5A, VGS=8V
Tj
90
85 %
V
100 120 mOhm
160 0C
Thermal Shutdown Window
20 0C
Rev 1.0
Tel: 0755-8398 3377 / 135 9011 2223 http://www.gofotech.com
5
5 Page | ||
| Páginas | Total 8 Páginas | |
| PDF Descargar | [ Datasheet XL8001.PDF ] | |
Hoja de datos destacado
| Número de pieza | Descripción | Fabricantes |
| XL8001 | 80V 0.5A High Efficiency Buck PFM LED Constant Current Driver | XLSEMI |
| XL8002 | 80V 1A High Efficiency Buck PFM LED Constant Current Driver | XLSEMI |
| 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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