AAT3112IVN-4.5-T1 Advanced Analog Technology, Inc., AAT3112IVN-4.5-T1 Datasheet - Page 9

• Manufacturer Part Number: AAT3112IVN-4.5-T1
• Description: 500mA High Efficiency Charge Pump for White LED Flash Applications
• Manufacturer: Advanced Analog Technology, Inc.

Typical Characteristics- AAT3112-5.0V
V
3112.2007.01.1.5
IN
= 3.5V, C
(2V/div)
(1V/div)
1000
5.5
5.4
5.3
5.2
5.1
5.0
4.9
4.8
4.7
4.6
4.5
900
800
700
600
500
400
300
Maximum Current Pulse vs. Input Voltage
V
3.0
0
EN
OUT
Output Voltage vs. Output Current
IN
3.2
50
Startup Time with 100mA Load
= C
(50ms pulse; V
OUT
Input Voltage (V)
Output Current (mA)
3.4
100
= 10μF, C
Time (50µs/div)
3.6
150
OUT
1
V
> 4.5V)
IN
= C
V
= 4.2V
IN
3.8
200
= 3.6V
2
= 1μF; T
4.0
250
V
IN
= 3.9V
A
= 25°C, unless otherwise noted.
4.2
300
500mA High Efficiency Charge Pump
for White LED Flash Applications
(2V/div)
(1V/div)
30
25
20
15
10
5
0
95
90
85
80
75
70
65
60
55
50
45
40
V
2.5
EN
OUT
2.7
Supply Current vs. Supply Voltage
50mA
3.0
200mA
Startup Time with 200mA Load
100mA
3.0
Efficiency vs. Input Voltage
(No Load, No Switching)
3.3
Supply Voltage (V)
Input Voltage (V)
3.5
3.5
Time (50µs/div)
3.8
4.0
4.1
4.4
4.5
4.7
4.9
5.0
9