AAT1235IRN-T1 AnalogicTech, AAT1235IRN-T1 Datasheet - Page 7

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

SwitchReg
Typical Characteristics
1235.2009.09.1.2
160
140
120
100
1.2
1.1
1.0
0.9
0.8
0.7
80
60
40
4.5
4.0
3.5
3.0
2.7
2.5
+25°C
vs. Supply Voltage and Temperature
Supply Voltage and Temperature
Low Side Switch On Resistance
3.1
3.0
Enable Threshold High vs.
-40°C
TM
+85°C
(All Channels = 20mA)
3.5
3.5
Line Transient
Supply Voltage (V)
Supply Voltage (V)
Time (50µs/div)
+120°C
25°C
3.9
4.0
4.3
4.5
+85°C
+100°C
4.7
5.0
High Efficiency White LED Drivers for Backlight and Keypad
5.1
5.5
14.2
14.1
14.0
13.9
13.8
w w w . a n a l o g i c t e c h . c o m
5.5
6.0
EN/SET (V)
I
INDUCTOR
V
280
260
240
220
200
180
160
140
1.1
1.0
0.9
0.8
0.7
0.6
OUT
2.5
2.7
Input Disconnect Switch Resistance vs.
(V)
(A)
+85°C
-40°C
25°C
+25°C
Supply Voltage and Temperature
Supply Voltage and Temperature
20
10
0
3.0
3.1
Enable Threshold Low vs.
PRODUCT DATASHEET
3.5
3.5
Soft Start Operation
Supply Voltage (V)
Supply Voltage (V)
(All Channels = 20mA)
+120°C
+85°C
Time (200µs/div)
3.9
4.0
AAT1235
+100°C
4.3
4.5
4.7
5.0
5.1
5.5
0.5
0
0
2
5.5
6.0
7