AAT3112IVN-4.5-T1 Advanced Analog Technology, Inc., AAT3112IVN-4.5-T1 Datasheet - Page 7

• 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- AAT3112-4.5V
V
AC Coupled
AC Coupled
3112.2007.01.1.5
(200mA/div)
(20mV/div)
(20mV/div)
IN
(20mV/div)
800
700
600
500
400
300
200
100
= 3.5V, C
0
2.5
V
V
I
V
OUT
OUT
OUT
IN
Output Current vs. Input Voltage
IN
(500ms Pulse Time; V
= C
Input and Output Ripples
3
Load Transient Response
(I
OUT
OUT
Input Voltage (V)
= 50mA @ V
= 10μF, C
Time (5µs/div)
Time (50µs/div)
(V
3.5
IN
= 3.0V)
OUT
IN
1
= 3.5V)
= C
> 4.0V)
2
4
= 1μF; T
A
4.5
= 25°C, unless otherwise noted.
500mA High Efficiency Charge Pump
(200mA/div)
(20mV/div)
AC Coupled
AC Coupled
for White LED Flash Applications
(20mV/div)
(20mV/div)
800
700
600
500
400
300
200
100
0
V
Output Current vs. Input Voltage (70°C)
2.5
I
OUT
OUT
V
OUT
V
IN
Load Transient Response
Input and Output Ripples
3.0
(I
OUT
Input Voltage (V)
(V
= 100mA @ V
OUT
Time (50µs/div)
(V
Time (5µs/div)
> 4.0V)
IN
3.5
= 4.2V)
200ms 300ms
50ms
IN
= 3.5V)
4.0
500ms
100ms
4.5
7