PRODUCT DATASHEET
AAT3103
ChargePumpTM
3-Channel Charge-Pump LED Driver
Typical Characteristics
EN Input High Threshold Voltage
vs. Input Voltage
EN Input Low Threshold Voltage
vs. Input Voltage
1.2
1.0
0.8
0.6
0.4
0.2
1.2
1.0
0.8
0.6
-40°C
25°C
85°C
-40°C
25°C
85°C
0.4
0.2
2.7
2.7
3.1
3.5
3.9
4.3
4.7
5.1
5.5
3.1
3.5
3.9
4.3
4.7
5.1
5.5
Input Voltage (V)
Input Voltage (V)
EN/SET Input Latch Timeout
vs. Input Voltage
EN/SET Input Off Timeout
vs. Input Voltage
350
300
250
200
150
100
400
350
300
250
200
150
100
85°C
25°C
-40°C
85°C
25°C
-40°C
2.7
3.1
3.5
3.9
4.3
4.7
5.1
5.5
2.7
3.1
3.5
3.9
4.3
4.7
5.1
5.5
Input Voltage (V)
Input Voltage (V)
Turn-On to 2X Mode
Turn-Off from 2X Mode
(VIN = 3.6V; 20mA/Dx)
(VIN = 3.6V; 20mA/Dx)
EN/SET
(2V/div)
EN/SET
(2V/div)
0V
0A
0V
4.2V
2.7V
VOUT
(5V/div)
VD1
(2V/div)
3.2V
0V
0A
VD1
(2V/div)
IIN
(200mA/div)
IIN
(200mA/div)
Time (200µs/div)
Time (100µs/div)
w w w . a n a l o g i c t e c h . c o m
6
3103.2008.03.1.0
AAT [ ADVANCED ANALOG TECHNOLOGY, INC. ]
