AAT2806 datasheet(5/16 Pages) AAT

Part #	AAT2806

Description	Dual High Efficiency Charge Pump for White LED and Flash Applications

PDF	16 Pages

Scroll/Zoom	100%

Manufacturer	AAT [Advanced Analog Technology, Inc.]

Direct Link	http://www.aatech.com.tw

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5 / 16 page

Typical Characteristics– Flash Driver Charge Pump Section

Load Response vs. Time

(100mA Load)

Time (5ms/div)

VOUT_FL

(10mV/div)

IOUT

(50mA/div)

VIN = 3.5V

Load Response vs. Time

(50mA Load)

Time (5ms/div)

VOUT_FL

(10mV/div)

IOUT

(20mA/div)

VIN = 3.5V

Start-Up Time

(100mA Load)

Time (100µs/div)

EN_FLSH

(1V/div)

VOUT_FL

(1V/div)

Start-Up Time

(50mA Load)

Time (100µs/div)

EN_FLSH

(1V/div)

VOUT_FL

(1V/div)

Maximum Current Pulse vs. Supply Voltage

(VOUT_FL = 4.5V; EN_FL = VIN; EN/SET = GND)

Supply Voltage (V)

100

150

200

250

300

350

400

450

3.0

3.1

3.2

3.3

3.4

3.5

3.6

3.7

3.8

3.9

4.0

4.1

4.2

One-shot pulse duration = 250ms

VOUT > 4.0V

Output Voltage vs. Output Current

(VOUT_FL = 4.5V; EN_FL = VIN; EN/SET = GND)

Output Current (mA)

4.40

4.44

4.48

4.52

4.56

4.60

0.1

1.0

10.0

100.0

1000.0

3.6V

3.0V

3.3V

2.7V

AAT2806

Dual High Efficiency Charge Pump

for White LED and Flash Applications

2806.2006.04.1.8

AAT2806 Datasheet(PDF) 5 Page - Advanced Analog Technology, Inc.

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