AAT3158
High Efficiency 1X/1.5X/2X Charge Pump
for White LED Applications
Typical Characteristics
EN/SET Latch Timeout vs. Input Voltage
EN/SET Latch Timeout (µs)
350
350
EN/SET Off Timeout vs. Input Voltage
EN/SET Off Timeout (µs)
300
250
200
150
100
50
0
300
250
200
150
100
50
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
-40°C
-40°C
25°C
85°C
25°C
85°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
Input Voltage (V)
Input Voltage (V)
Enable Threshold High vs. Input Voltage
Enable Threshold High (V)
Enable Threshold Low (V)
1.4
1.2
1.0
0.8
0.6
0.4
2.7
1.4
1.2
1.0
0.8
0.6
0.4
Enable Threshold Low vs. Input Voltage
-40°C
-40°C
25°C
85°C
25°C
2.7
3.1
3.5
3.9
4.3
85°C
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)
3158.2006.02.1.0
7