AAT3131_08 ANALOGICTECH [Advanced Analogic Technologies], AAT3131_08 Datasheet - Page 6

• Manufacturer Part Number: AAT3131_08
• Description: High Efficiency 1X/1.5X Fractional Charge Pump for White LED Applications
• Manufacturer: ANALOGICTECH [Advanced Analogic Technologies]

Typical Characteristics
Unless otherwise noted, V
(200mA/div)
(100mA/div)
6
(100mA/div)
(10mV/div)
(1V/div)
(2V/div)
(1V/div)
(2V/div)
(1V/div)
(2V/div)
(2V/div)
ENSET
ENSET
V
V
V
OUT
DIODE
OUT
DIODE
DIODE
V
I
I
I
IN
IN
IN
IN
Turn-On to Full-Scale Charge Pump
Charge Pump to Load Switch
Time (200µs/div)
Time (50µs/div)
Time (50µs/div)
IN
Turn-Off
(80mA)
= 3.5V, C
IN
= C
OUT
Charge Pump for White LED Applications
= C
1
= C
2
(100mA/div)
(200mV/div)
High Efficiency 1X/1.5X Fractional
= 1µF, T
(20mV/div)
OUT
V
(1V/div)
(2V/div)
(2V/div)
V
ENSET
(1V/div)
(1V/div)
DIODE
IN
V
V
OUT
DIODE
OUT
DIODE
I
V
IN
Turn-On to Full-Scale Load Switch
I
A
IN
IN
= 25°C.
80mA Load Characteristics
Load Switch to Charge Pump
Time (1µs/div)
Time (50µs/div)
Time (50µs/div)
(80mA)
AAT3131
3131.2005.12.1.2