A8240
LED BACKLIGHT DRIVER
AiT Semiconductor Inc.
www.ait-ic.com
WLED LINEAR DRIVER FOR LI-ION BATTERY APPLICATION
ABSOLUTE MAXIMUM RATINGS
Supply Voltage
-0.3V~7V
-0.3V~7V
125°C
Voltage of LEDn, EN pin
Maximum Junction Temperature
Operating Ambient Temperature Range
Storage Temperature Range
Lead Temperature (Soldering, 10 sec)
-40°C ~85°C
-40°C~150°C
260°C
Stress beyond above listed ꢀAbsolute Maximum Ratingsꢁ may lead permanent damage to the device. These are stress ratings only and
operations of the device at these or any other conditions beyond those indicated in the operational sections of the specifications are not
implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability.
RECOMMENDED OPERATING CONDITIONS
Parameter
MIN
2.7
MAX
6
Units
V
Supply Voltage Range
Output sink current on each channel
Operating Temperature
25
mA
℃
-25
85
ELECTRICAL CHARACTERISTICS
VCC=3.7V, TA=25°C, No Load, Input: VEN=3.7V, unless otherwise noted
Parameter
EN Pin ꢀLowꢁ Logic
Symbol
VIL
Conditions
Min.
Typ.
Max.
Unit
V
0.4
EN Pin ꢀHighꢁ Logic
VIH
1.7
-1
V
EN Pin ꢀLowꢁ Input Current
EN Pin ꢀHighꢁ Input Current
LEDn Dropout Voltage
LEDn Sink Current
IIL
μA
μA
mV
mA
%
IIH
1
VLEDL
ILED
ΔILEDn
IQ
100
20
18
22
LEDn Sink Current Deviation
Quiescent Current
+/-3
400
250
0.5
μA
μA
Standby Supply Current
ISTBY
VEN=ꢁ0ꢁ
REV2.0
- NOV 2011 RELEASED, OCT 2014 UPDATED -
- 3 -
AITSEMI [ AiT Semiconductor ]
