AAT1235IRN-T1 AnalogicTech, AAT1235IRN-T1 Datasheet - Page 8

• Manufacturer Part Number: AAT1235IRN-T1
• Description: High Efficiency White LED Drivers for Backlight and Keypad
• Manufacturer: AnalogicTech

Typical Characteristics
8
SwitchReg
400
350
300
250
200
150
100
50
(Group B = 1.8mA; Group A = 20mA to 1.8mA)
(Group B = 20mA; Group A = 20mA to 1.8mA)
4
2
0
4
2
0
2.7
Supply Voltage and Temperature
Transition of LED Current
Transition of LED Current
3.1
EN/SET Off Timeout vs.
TM
Time (250µs/div)
Time (250µs/div)
3.5
Supply Voltage (V)
3.9
+25°C
4.3
-40°C
4.7
High Efficiency White LED Drivers for Backlight and Keypad
+85°C
0.02
0
0.02
0
0.02
0
0
5.1
w w w . a n a l o g i c t e c h . c o m
5.5
400
350
300
250
200
150
100
50
(Group B = 1.8mA to 20mA; Group A = 20mA)
4
2
0
2.7
Supply Voltage and Temperature
Transition of LED Current
3.1
EN/SET Latch Timeout vs.
PRODUCT DATASHEET
Time (250µs/div)
3.5
Supply Voltage (V)
3.9
AAT1235
4.3
+25°C
-40°C
1235.2009.09.1.2
4.7
+85°C
0.02
0
0.02
0
5.1
5.5