UNISONIC TECHNOLOGIES CO., LTD
L3010
LINEAR INTEGRATED CIRCUIT
1A HIGH POWER LED DRIVER WITH 4.5~40V INPUT
DESCRIP...
UNISONIC TECHNOLOGIES CO., LTD
L3010
LINEAR INTEGRATED CIRCUIT
1A HIGH POWER LED DRIVER WITH 4.5~40V INPUT
DESCRIPTION
The UTC L3010 is a step-down PWM control LED driver with a built-in power Switch. It achieves 1A continuous output current in 4.5~40V input
voltage range. It has high efficiency up to more than 96%, with the excellent current accuracy within ±1%.
FEATURES
* 4.5~40V input
voltage range * Maximum 1A output current * 0.25Ω built-in power
MOSFET * 280kHz fixed frequency * Excellent constant current accuracy ±1% * High efficiency up to 96% * Thermal shutdown * Cycle-by-cycle over current protection
ORDERING INFORMATION
Ordering Number L3010G-S08-R
Package SOP-8
SOP-8
Packing Tape Reel
L3010G-S08-R
(1)Packing Type (2)Package Type (3)Green Package
(1) R: Tape Reel (2) S08: SOP-8 (3) G: Halogen Free and Lead Free
MARKING
www.unisonic.com.tw Copyright © 2016 Unisonic Technologies Co., Ltd
1 of 6
QW-R125-024.D
L3010
PIN CONFIGURATION
SW 1 GND 2 SENSE 3
VIN 4
LINEAR INTEGRATED CIRCUIT
8 NC 7 VDD 6 NC 5 COMP
PIN DESCRIPTION
PIN NO. 1 2 3 4 5
6, 8 7
PIN NAME SW GND
SENSE VIN
COMP NC VDD
DESCRIPTION Power Switch output. Ground. Current sense pin. Input supply
voltage. Compensation pin, connects to external capacitor. No Connected. 5V
voltage output
BLOCK DIAGRAM
VIN 4
OTP 88mV
SNESE 3 COMP 5
+ - EA
SS
UVLO
+ PWM
Reference
S Q
R
Internal Reference
7 VDD
1 SW NMOS
Driver
280KHz Slope COMP
++
+
Rsense Current Sense
2 GND
UNISO...