UNISONIC TECHNOLOGIES CO., LTD
ULC6002
Preliminary
LINEAR INTEGRATED CIRCUIT
SPECIAL DRIVE FOR LED
FLASHLIGHT
DESCRIPTION
UTC
ULC6002
is a drive chip designed specifically for LED
flashlights using dry batteries. It is suitable for one or two LED
drives for dry battery applications. It only needs one inductive
element on the periphery and is adjusted by the peripheral
inductive element. Can meet the LED flashlight for different
brightness requirements.
UTC
ULC6002
has high reliability, high efficiency, wide
operating voltage range, simple to use, and good production
consistency.
FEATURES
* Minimum operating input voltage 0.9V
* Over 100mA output current
* 85% efficiency
ORDERING INFORMATION
Ordering Number
Lead Free
ULC6002L-AE2-R
Halogen Free
ULC6002G-AE2-R
Package
SOT-23-3
Packing
Tape Reel
MARKING
www.unisonic.com.tw
Copyright © 2018 Unisonic Technologies Co., Ltd
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ULC6002
PIN CONFIGURATION
Preliminary
LINEAR INTEGRATED CIRCUIT
PIN DESCRIPTION
PIN NO.
1
2
3
PIN NAME
V
DD
LX
GND
DESCRIPTION
Power Pin
LED Drive
Ground.
BLOCK DIAGRAM
V
DD
+
COMP
-
V
DD
LX
On Time
S
R
Q
GND
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ULC6002
PARAMETER
Preliminary
LINEAR INTEGRATED CIRCUIT
ABSOLUTE MAXIMUM RATING
SYMBOL
RATINGS
UNIT
LX
V
LX_MAX
7
V
V
DD
V
DD_MAX
7
V
Junction Temperature
T
J
+125
°C
Operating Temperature
T
OPR
-20 ~ +85
°C
Storage Temperature
T
STG
-40 ~ +125
°C
Note: Absolute maximum ratings are those values beyond which the device could be permanently damaged.
Absolute maximum ratings are stress ratings only and functional device operation is not implied.
ELECTRICAL CHARACTERISTICS
PARAMETER
SYMBOL
V
DD
T
TEST CONDITIONS
V
DD
=2V
MIN
0.9
TYP
3.5
85
MAX
3.2
UNIT
V
uS
%
Power
On Time
Efficiency
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ULC6002
Preliminary
LINEAR INTEGRATED CIRCUIT
TYPICAL APPLICATION CIRCUIT
L1
LX
V
DD
UTC
ULC6002
GND
UTC assumes no responsibility for equipment failures that result from using products at values that
exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or other
parameters) listed in products specifications of any and all UTC products described or contained herein.
UTC products are not designed for use in life support appliances, devices or systems where malfunction
of these products can be reasonably expected to result in personal injury. Reproduction in whole or in
part is prohibited without the prior written consent of the copyright owner. UTC reserves the right to
make changes to information published in this document, including without limitation specifications and
product descriptions, at any time and without notice. This document supersedes and replaces all
information supplied prior to the publication hereof.
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