AAT3142ITP-T1 AnalogicTech, AAT3142ITP-T1 Datasheet - Page 5

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

ChargePump
Typical Characteristics
V
(100mA/div)
3142.2009.07.1.3
IN
100
100
= 3.5V, C
EN/SET
(2V/div)
(4V/div)
(2V/div)
90
80
70
60
50
40
30
90
80
70
60
50
40
30
2.9
V
2.9
DIODE
Code 28
V
I
3.0
CP
Code 26
3.0
IN
3.1
3.1
Efficiency vs. Input Voltage
IN
Efficiency vs. Input Voltage
Code 32
3.0V
3.2
3.2
= C
(D1-D2 = 3.5V, D3 = 3.2V)
TM
3.3
3.3
F
Turn-On to 1X Mode
CP
Input Voltage (V)
Input Voltage (V)
= C
3.4
3.4
(Code 26)
(3x30mA Load)
Time (100µs/div)
3.5
High Efficiency 1X/1.5X/2X Charge Pump for White LED Applications
3.5
1
= C
3.6
3.6
2
3.7
3.7
= 1μF, T
3.8
3.8
3.5V
3.9
3.9
F
A
4.0
4.0
= 25°C, unless otherwise noted.
4.1
4.1
w w w . a n a l o g i c t e c h . c o m
4.2
4.2
(100mA/div)
(100mA/div)
100
EN/SET
(2V/div)
(4V/div)
(2V/div)
EN/SET
(2V/div)
(4V/div)
(2V/div)
90
80
70
60
50
40
30
2.9
V
V
DIODE
DIODE
Code 28
V
V
Code 26
I
I
3.0
CP
CP
IN
IN
3.1
Efficiency vs. Input Voltage
(D1 = 3.5V, D2 = 3.3V, D3 = 3.2V)
Code 32
3.2
PRODUCT DATASHEET
3.3
Turn-On to 1X Mode
Turn-On to 1.5X Mode
Input Voltage (V)
3.4
(3x19mA Load)
Time (100µs/div)
(3x19mA Load)
Time (100µs/div)
3.5
AAT3142
3.6
3.7
3.8
3.9
4.0
4.1
4.2
5