AAT3142ITP-T1 AnalogicTech, AAT3142ITP-T1 Datasheet - Page 6

• Manufacturer Part Number: AAT3142ITP-T1
• Description: High Efficiency 1X/1.5X/2X Charge Pump for White LED Applications
• Manufacturer: AnalogicTech

Typical Characteristics
V
(100mA/div)
(500mV/div)
(500mV/div)
(500mV/div)
(500mV/div)
6
ChargePump
(50mA/div)
(50mA/div)
IN
= 3.5V, C
(1V/div)
(1V/div)
EN/SET
(2V/div)
(4V/div)
(2V/div)
V
V
V
DIODE
DIODE
DIODE
V
V
V
V
V
CP
I
CP
I
CP
I
IN
IN
IN
IN
IN
IN
Charge Pump to Load Switch
Charge Pump to Load Switch
= C
(1.5X Mode, 3x19mA Load)
TM
(2X Mode, 3x19mA Load)
Turn-On to 1.5X Mode
CP
= C
(3x30mA Load)
Time (100µs/div)
Time (5ms/div)
Time (5ms/div)
High Efficiency 1X/1.5X/2X Charge Pump for White LED Applications
1
= C
2
= 1μF, T
A
= 25°C, unless otherwise noted.
w w w . a n a l o g i c t e c h . c o m
(500mV/div)
(500mV/div)
(500mV/div)
(500mV/div)
(50mA/div)
(50mA/div)
(200mA/div)
(1V/div)
(1V/div)
V
V
EN/SET
(2V/div)
(2V/div)
DIODE
DIODE
V
V
V
V
V
DIODE
CP
I
CP
I
IN
IN
IN
IN
Turn-Off from Full-Scale 2X Mode
I
IN
Charge Pump to Load Switch
Charge Pump to Load Switch
PRODUCT DATASHEET
(1.5X Mode, 3x30mA Load)
(2X Mode, 3x30mA Load)
Time (5ms/div)
Time (5ms/div)
Time (200µs/div)
AAT3142
3142.2009.07.1.3