PRODUCT DATASHEET
AAT3192
TM
ChargePump
2-Channel Charge-Pump LED Driver
Typical Characteristics
Turn On to 1X Mode
Maximum LED Current vs RSET
(VIN = 4.2V; 19.6mA/ch)
32
28
24
20
16
12
8
EN/SET
(2V/div)
VF
(2V/div)
VSINK
(2V/div)
IIN
4
(200mA/div)
0
8
13
18
23
28
33
Time (200µs/div)
RSET (kΩ)
EN Input High Threshold Voltage
vs. Input Voltage
EN Input Low Threshold Voltage
vs. Input Voltage
1.2
1.2
1.0
0.8
0.6
0.4
0.2
1.0
0.8
-40°C
0.6
0.4
0.2
25°C
-40°C
85°C
25°C
85°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)
EN/SET Input Latch Timeout vs. Input Voltage
EN/SET Input OFF Timeout vs. Input Voltage
350
350
85°C
85°C
300
300
250
250
25°C
200
200
25°C
-40°C
-40°C
150
150
100
100
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)
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3192.2008.07.1.3
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