XL8005降压型LED恒流驱动器芯片(高电压官方中文版)
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
Figure1. Package Type of XL8005
100V 0.5A Switching Current Buck PFM LED Constant Current Driver XL8005
Function Block
Figure3. Function Block Diagram of XL8005
100V 0.5A Switching Current Buck PFM LED Constant Current Driver XL8005
[1] Input DC 24V~100V.
[2] Output Constant Current Drive Series 3~8 * 1W LED.
[3] Support Output LED Open & Short Protection.
Figure4. XL8005 Typical Application (3W~8W LED lamp)
Ordering Information
Order Information Marking ID Package Type Packing Type
XL8005E1 XL8005E1 SOIC-8 2500 Units on Tape & Reel XLSEMI Pb-free products, as designated with “E1” suffix in the par number, are RoHS compliant.
Absolute Maximum Ratings（Note1）
Parameter Symbol Value Unit Input Voltage Vin -0.3 to 120 V Power Dissipation P D Internally limited mW Thermal Resistance (SOP-8L)
R JA100 oC/W (Junction to Ambient, No Heatsink, Free Air)
Operating Junction Temperature T J-40 to 125 oC Storage Temperature T STG-65 to 150 oC Lead Temperature (Soldering, 10 sec) T LEAD260 oC ESD (HBM) 3000 V
other conditions above those indicated in the operation is not implied. Exposure to absolute maximum rating conditions for extended periods may affect reliability.
XL8005 Electrical Characteristics
T a = 25℃;unless otherwise specified. Reference test circuit figure4
Symbol Parameter Test Condition Min. Typ. Max. Unit
VCSP
CSP
V oltage
VIN = 24V to 100V,
Iled=0.3A, Pout=8W
190 200 210 mV
Efficiency ?VIN=48V, Iled=0.3A, Pout=8W - 94.8 - % Efficiency ?VIN=60V, Iled=0.3A, Pout=8W - 94.0 - % Efficiency ?VIN=72V, Iled=0.3A, Pout=8W - 92.8 - % Efficiency ?VIN=84V, Iled=0.3A, Pout=8W - 92.3 - %
Electrical Characteristics (DC Parameters)
Parameters Symbol Test Condition Min. Typ. Max. Unit Input operation voltage VIN 24 100 V
Switching Frequency Fosc Figure4 (8*1W)
VIN=48V
47.4 59.3 71.1 KHz
Switching Frequency Fosc Figure4 (8*1W)
VIN=60V
56.2 70.3 84.3 KHz
Switching Frequency Fosc Figure4 (8*1W)
VIN=72V
61.2 76.5 91.8 KHz
Switching Frequency Fosc Figure4 (8*1W)
VIN=84V
64.1 80.2 96.2 KHz
DMOS Drain-Source
Breakdown V oltage
V BRDS V GS=0V, I DS=250uA 120 V DMOS
Drain-Source on resistor
R DSON I DS=0.5A, V GS=10V 0.1 0.15 Ohm Thermal Shutdown OTP Tj 165 0C Thermal Shutdown Window 25 0C
100V 0.5A Switching Current Buck PFM LED Constant Current Driver
XL8005
[1] Input DC 24V~100V.
[2] Output Constant Current Drive Series 3~8 * 1W LED.[3] Support Output LED Open & Short Protection.
3
4
5
6
Efficiency VS LED String
E f f i c i e n c y (%)
LED String(N*1W)
Figure5. XL8005 System Application& efficiency curve
100V 0.5A Switching Current Buck PFM LED Constant Current Driver XL8005
[1] Input DC 24V~100V.
[2] Output Constant Current Drive Series 3~8 * 1W LED.
[3] Support Output LED Open & Short Protection.
Figure6. XL8005 System Application with low LED open voltage
Package Information SOP8 Package Mechanical Dimensions