PRODUCT DATASHEET
AAT3195
ChargePump
TM
4-Channel Charge-Pump LED Driver
Typical Characteristics
Turn On to 1X Mode
(V
IN
= 4.2V; 20.5mA/ch)
EN/SET
(2V/div)
V
OUT
(2V/div)
V
SINK
(2V/div)
I
IN
(200mA/div)
EN/SET
(2V/div)
V
OUT
(2V/div)
V
SINK
(2V/div)
I
IN
(200mA/div)
Turn On to 2X Mode
(V
IN
= 3.6V; 20.5mA/ch)
Time (200µs/div)
Time (200µs/div)
Turn Off from 2X Mode
(20.5mA/ch)
0.14
Shutdown Current vs. Temperature
EN/SET
(2V/div)
V
OUT
(1V/div)
I
IN
(200mA/div)
Shutdown Current (µA)
0.12
0.10
0.08
0.06
0.04
0.02
0.00
-40
5.5V
2.7V
-15
10
35
60
85
Time (200µs/div)
Temperature (°C)
EN Input Low Threshold Voltage
vs. Input Voltage
1.2
1.0
0.8
0.6
0.4
0.2
2.7
1.2
1.0
EN Input High Threshold Voltage
vs. Input Voltage
V
EN(H)
(V)
85°C
25°C
-40°C
3.1
3.5
3.9
4.3
4.7
5.1
5.5
V
EN(L)
(V)
0.8
0.6
0.4
0.2
2.7
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)
3195.2009.06.1.3
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