PRODUCT DATASHEET
AAT3170
ChargePumpTM
High Current LED Flash Driver Charge Pump IC
Typical Characteristics
VIN = 3.6V, CIN = 4.7μF, COUT = 2.2μF, C1 = C2 = 1μF, TA = 25°C, unless otherwise noted.
Flash Timer Duration
(CT = 0.1µF; Data = 16)
EN/SET Latch Timeout vs. Supply Voltage
350
300
250
200
150
100
50
140
120
100
80
85°C
25°C
-40°C
25°C
60
85°C
40
-40°C
0
20
2.7 2.9 3.1 3.3 3.5 3.7 3.9 4.1 4.3 4.5 4.7 4.9 5.1 5.3 5.5
2.7 2.9 3.1 3.3 3.5 3.7 3.9 4.1 4.3 4.5 4.7 4.9 5.1 5.3 5.5
Supply Voltage (V)
Supply Voltage (V)
EN/SET Off Timeout vs. Supply Voltage
EN/SET High Threshold Voltage
vs. Supply Voltage and Temperature
1.0
350
300
250
200
150
100
50
-40°C
0.9
0.8
0.7
0.6
0.5
0.4
25°C
-40°C
85°C
25°C
85°C
0
2.7 2.9 3.1 3.3 3.5 3.7 3.9 4.1 4.3 4.5 4.7 4.9 5.1 5.3 5.5
2.7 2.9 3.1 3.3 3.5 3.7 3.9 4.1 4.3 4.5 4.7 4.9 5.1 5.3 5.5
Supply Voltage (V)
Supply Voltage (V)
EN/SET Low Threshold Voltage
vs. Supply Voltage and Temperature
1.0
0.9
0.8
0.7
0.6
0.5
0.4
-40°C
85°C
25°C
2.7 2.9 3.1 3.3 3.5 3.7 3.9 4.1 4.3 4.5 4.7 4.9 5.1 5.3 5.5
Supply Voltage (V)
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3170.2007.11.1.2
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