AAT3142ITP-T1 AnalogicTech, AAT3142ITP-T1 Datasheet - Page 7

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

ChargePump
Typical Characteristics
V
(500mV/div)
3142.2009.07.1.3
(20mV/div)
(10mA/div)
(10mA/div)
(20mV/div)
(50mA/div)
IN
(0.5V/div)
(0.5V/div)
(0.5V/div)
(0.5V/div)
= 3.5V, C
(1V/div)
(4V/div)
V
V
V
DIODE
V
V
V
LED
V
LED
V
CP
V
CP
I
IN
I
I
IN
CP
D
D
IN
IN
IN
Load Switch to Charge Pump
= C
(1.5X Mode, 3x19mA Load)
(1X Mode, 3x19mA Load)
TM
(1.5X Mode, 3x19mA Load)
CP
Line Response
Line Response
= C
Time (1ms/div)
Time (1ms/div)
Time (2ms/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)
(10mA/div)
(20mV/div)
(20mV/div)
(10mA/div)
(50mA/div)
(0.5V/div)
(0.5V/div)
(0.5V/div)
(0.5V/div)
(1V/div)
(4V/div)
V
V
V
DIODE
V
V
V
LED
V
V
LED
V
CP
I
CP
I
IN
I
CP
D
IN
IN
IN
D
Load Switch to Charge Pump
PRODUCT DATASHEET
(1.5X Mode, 3x30mA Load)
(1X Mode, 3x30mA Load)
(1.5X Mode, 3x30mA Load)
Line Response
Line Response
Time (1ms/div)
Time (1ms/div)
Time (2ms/div)
AAT3142
7