AAT3153 Datasheet, PDF (6/14 Pages) Advanced Analogic Technologies – High Efficiency 1X/1.5X/2X Charge Pump For White LED Applications

AAT3153
High Efficiency 1X/1.5X/2X Charge Pump
For White LED Applications
Typical Characteristics
Load Characteristics
(V_IN = 4.0V; 1.5X Mode; 20mA Load)
V_IN
(40mV/div)
CP
(40mV/div)
V_SINK
(40mV/div)
Time (500ns/div)
V_IN
(40mV/div)
CP
(40mV/div)
V_SINK
(40mV/div)
Load Characteristics
(V_IN = 3.1V; 2X Mode; 20mA Load)
Time (500ns/div)
T_LAT vs. V_IN
350
300
-40°C
250
200
150
25°C
85°C
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
V_IN (V)
Input Ripple vs. V_IN
25
20
30mA
15
10
20mA
5
10mA
0
2.50 2.67 2.84 3.01 3.18 3.35 3.52 3.69 3.86 4.03 4.20
V_IN (V)
T_OFF vs. V_IN
400
350
-40°C
300
250
200
150
25°C
85°C
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
V_IN (V)
6
3153.2005.12.0.93