AT1313
High Efficiency, Constant Current
White-LED Driver
Pin Configuration
Ordering Information
Part number
AT1313X_GRE
▲▲▲▲▲
Package
SOT-26, Green
Marking
313, Date Code with one bottom line
: Date Code
*
For more marking information, contact our sales representative directly
Pin Description
Pin N0.
1
2
3
4
5
6
Symbol
LX
GND
FB
EN
OVP
VIN
I/O
I
P
I
I
I
P
Description
Step-up Regulator N-MOS Drain. Place output diode and inductor.
Ground
Step-Up Regulator Feedback Input. Connect a sense resistor from FB to
ground.
Enable and Dimming Control Input. LED brightness and IC shutdown are
controlled by the voltage on EN. Driving low for longer than 4ms to
shutdown the IC.
Over-voltage protection input. Connect to the output.
Power supply.
Absolute Maximum Ratings
[note1]
Parameter
VIN voltage
LX , OVP voltage
EN , FB to GND
Switch Current (I
LX
)
Continuous power dissipation (SOT-26 Ta=+25
O
C)
Operating Junction Temperature Range
Lead Temperature (Soldering 5 sec)
Storage Temperature
Package Thermal Resistance (Θ
JA
)
ESD Susceptibility (HBM)
ESD Susceptibility (MM)
Rated Value
-0.3 to +6.0
-0.3 to +18
-0.3 to +6.0
1.2
0.35
-35 to 85
260
-65 to 125
250
2
200
Unit
V
V
V
A
W
℃
℃
℃
℃/W
KV
V
Note1:Permanent device damage may occur if Absolute Maximum Ratings are exceeded. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability
7F, No.9, PARK AVENUE II, Science-Based Industrial Park, Hsinchu 300,Taiwan, R.O.C.
Tel: 886-3-563-0878
Fax: 886-3-563-0879
WWW:
http://www.aimtron.com.tw
10/31/2006 REV:2.0
Email:service@aimtron.com.tw
2
AIMTRON [ AIMTRON TECHNOLOGY ]
