AAT3112_07 ANALOGICTECH [Advanced Analogic Technologies], AAT3112_07 Datasheet - Page 6

• Manufacturer Part Number: AAT3112_07
• Description: 500mA High Efficiency Charge Pump for White LED Flash Applications
• Manufacturer: ANALOGICTECH [Advanced Analogic Technologies]

Typical Characteristics-AAT3112-4.5V
V
6
(2V/div)
(1V/div)
IN
= 3.5V, C
800
700
600
500
400
300
V
5.0
4.9
4.8
4.7
4.6
4.5
4.4
4.3
4.2
4.1
4.0
EN
OUT
Maximum Current Pulse vs. Input Voltage
3
0
V
V
IN
IN
Output Voltage vs. Output Current
= 3.6V
= 4.2V
Startup Time with 100mA Load
IN
3.2
50
= C
(50ms pulse; V
V
IN
OUT
Input Voltage (V)
= 3.9V
3.4
Output Current (mA)
100
Time (50µs/div)
= 10μF, C
3.6
150
OUT
> 4.0V)
1
= C
3.8
200
2
= 1μF; T
4
250
A
4.2
= 25°C, unless otherwise noted.
300
500mA High Efficiency Charge Pump
(2V/div)
(1V/div)
for White LED Flash Applications
30
25
20
15
10
5
0
V
85
80
75
70
65
60
55
50
45
40
EN
2.5
OUT
2.7
Supply Current vs. Supply Voltage
200mA
2.9
Startup Time with 200mA Load
Efficiency vs. Input Voltage
3.1
(No Load, No Switching)
3.0
50mA
100mA
Supply Voltage (V)
3.3
Input Voltage (V)
Time (50µs/div)
3.5
3.5
3.7
3.9
4.0
4.1
3112.2007.01.1.5
4.3
4.5
4.5