AAT3112IVN-4.5-T1 データシートの表示（PDF） - Analog Technology Inc

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AAT3112IVN-4.5-T1

500mA High Efficiency Charge Pump for White LED Flash Applications

Analog Technology Inc 

AAT3112

500mA High Efficiency Charge Pump

for White LED Flash Applications

Typical Characteristics-AAT3112-4.5V

VIN=3.5V, CIN=COUT=10µF, C1=C2=1µF, TA=25°C, unless otherwise noted.

Load Transient Response

(VIN = 3.0V)

Load Transient Response

(VIN = 4.2V)

IOUT

(200mA/div)

IOUT

(200mA/div)

VOUT

(20mV/div)

VOUT

(20mV/div)

50µs/div

50µs/div

Input and Output Ripples

(IOUT = 50mA @ VIN = 3.5V)

VIN

AC Coupled

(20mV/div)

VOUT

AC Coupled

(20mV/div)

5µs/div

Input and Output Ripples

(IOUT = 100mA @ VIN = 3.5V)

VIN

AC Coupled

(20mV/div)

VOUT

AC Coupled

(20mV/div)

5µs/div

Output Current vs. Input Voltage

(500ms Pulse Time; VOUT > 4.0V)

800

700

600

500

400

300

200

100

0

2.5

3

3.5

4

4.5

Input Voltage (V)

3112.2004.12.1.2

Output Current vs. Input Voltage (70°C)

(VOUT > 4.0V)

800

700

600

500

400

300

200

100

0

2.5

50ms

100ms

200ms 300ms 500ms

3.0

3.5

4.0

4.5

Input Voltage (V)

7

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