AAT3123 ETC, AAT3123 Datasheet - Page 6

• Manufacturer Part Number: AAT3123
• Description: High Efficiency 1X/1.5X Fractional Charge Pump for White LED Applications
• Manufacturer: ETC

Typical Characteristics
(Unless otherwise noted, V
6
(100mA/div)
(200mA/div)
(100mA/div)
(10mV/div)
(2V/div)
(2V/div)
(1V/div)
(2V/div)
(1V/div)
(1V/div)
(2V/div)
ENSET
ENSET
V
V
V
OUT
DIODE
OUT
Charge Pump to Load Switch (80mA)
DIODE
DIODE
V
I
I
IN
IN
I
IN
IN
Turn-On to Full Scale Charge-Pump
Turn-Off
50µs/div
IN
200µs/div
50µs/div
= 3.5V, C
IN
= C
OUT
High Efficiency 1X/1.5X Fractional Charge
= C1 = C2 = 1µF, T
(100mA/div)
(200mV/div)
(20mV/div)
Pump for White LED Applications
(1V/div)
(2V/div)
(2V/div)
ENSET
(1V/div)
(1V/div)
OUT
V
V
V
DIODE
V
OUT
IN
DIODE
OUT
DIODE
I
V
Load Switch to Charge Pump (80mA)
IN
I
Turn-On to Full Scale Load-Switch
IN
IN
A
= 25°C)
80mA Load Characteristics
1µs/div
50µs/div
50µs/div
3123.2003.09.1.1