AAT3122_05 ANALOGICTECH [Advanced Analogic Technologies], AAT3122_05 Datasheet - Page 6

• Manufacturer Part Number: AAT3122_05
• Description: High Efficiency 1X/1.5X Fractional Charge Pump for White LED Applications
• Manufacturer: ANALOGICTECH [Advanced Analogic Technologies]

Typical Characteristics
Unless otherwise noted, V
6
(200mA/div)
(100mA/div)
(100mA/div)
(10mV/div)
(1V/div)
(2V/div)
(1V/div)
(1V/div)
(2V/div)
ENSET
ENSET
V
(2V/div)
(2V/div)
V
OUT
DIODE
DIODE
V
OUT
DIODE
I
Charge Pump to Load Switch (80mA)
I
IN
IN
Turn-On to Full-Scale Charge Pump
V
I
IN
IN
Time (200µs/div)
Turn-Off
IN
Time (50µs/div)
Time (50µs/div)
= 3.6V, C
IN
= C
OUT
High Efficiency 1X/1.5X Fractional Charge
= C
1
= C
2
(200mV/div)
(100mA/div)
(20mV/div)
= 1µF, T
Pump for White LED Applications
OUT
(1V/div)
(1V/div)
V
(1V/div)
(2V/div)
(2V/div)
V
ENSET
DIODE
IN
V
V
OUT
DIODE
OUT
DIODE
V
Load Switch to Charge Pump (80mA)
I
I
IN
IN
IN
A
Turn-On to Full-Scale Load Switch
= 25°C.
80mA Load Characteristics
Time (1µs/div)
Time (50µs/div)
Time (50µs/div)
AAT3122
3122.2005.11.1.3