AAT3153 Ver la hoja de datos (PDF) - Analog Technology Inc
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AAT3153 Datasheet PDF : 10 Pages
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AAT3153
High Efficiency 1X/1.5X/2X Charge Pump
For White LED Applications
Typical Characteristics
Efficiency vs. Supply Voltage
100
90
80
70
60
50
2.8
4.1mA
10.2mA
20mA
3.0
3.2
3.4
3.6
3.8
4.0
4.2
Supply Voltage (V)
EN
(2V/div)
CP
(2V/div)
VSINK
(500mV/div)
IIN
(100mA/div)
Turn On to 1X Mode
VIN = 4.2V, DX = 20mA
100µs/div
EN
(2V/div)
CP
(2V/div)
VSINK
(500mV/div)
IIN
(100mA/div)
Turn On to 1.5X Mode
VIN = 3.5V, DX = 20mA
100µs/div
EN
(2V/div)
CP
(2V/div)
VSINK
(500mV/div)
IIN
(100mA/div)
Turn On to 2X Mode
VIN = 2.8V, DX = 20mA
100µs/div
EN
(2V/div)
VF
(1V/div)
IIN
(200mA/div)
Turn Off from 1.5X Mode
VIN = 3.5V, DX = 20mA
200µs/div
3153.2004.10.0.6
5
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