PRODUCT DATASHEET
AAT3103
ChargePump
TM
Typical Characteristics
EN Input High Threshold Voltage
vs. Input Voltage
1.2
1.0
1.2
1.0
3-Channel Charge-Pump LED Driver
EN Input Low Threshold Voltage
vs. Input Voltage
V
ENH
(V)
0.6
0.4
0.2
2.7
V
ENL
(V)
-40°C
25°C
85°C
3.1
3.5
3.9
4.3
4.7
5.1
5.5
0.8
0.8
0.6
0.4
0.2
2.7
-40°C
25°C
85°C
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
350
300
400
350
EN/SET Input Off Timeout
vs. Input Voltage
t
EN/SET(OFF)
(V)
t
EN/SET(LAT)
(V)
250
200
150
100
2.7
300
250
200
150
100
2.7
85°C
25°C
-40°C
3.1
3.5
3.9
4.3
4.7
5.1
5.5
85°C
25°C
-40°C
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
(V
IN
= 3.6V; 20mA/Dx)
Turn-Off from 2X Mode
(V
IN
= 3.6V; 20mA/Dx)
EN/SET
(2V/div)
V
OUT
(5V/div)
V
D1
(2V/div)
I
IN
(200mA/div)
0V
4.2V
3.2V
EN/SET
(2V/div)
V
D1
(2V/div)
0V
2.7V
0V
0A
I
IN
(200mA/div)
Time (200µs/div)
0A
Time (100µs/div)
6
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3103.2008.03.1.0
AAT [ ADVANCED ANALOG TECHNOLOGY, INC. ]
