AAT3172 datasheet(6/15 Pages) AAT

Part #	AAT3172

Description	High Current LED Flash Driver Charge Pump IC

PDF	15 Pages

Scroll/Zoom	100%

Manufacturer	AAT [Advanced Analog Technology, Inc.]

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

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6 / 15 page

Typical Characteristics

VIN = 3.6V, CIN = 4.7µF, COUT = 2.2µF, C1 = C2 = 1µF, TA = 25°C, unless otherwise noted.

Voltage Mode Load Response

(VIN = 3.7V)

5ms/div

IOUT

(100mA/div)

VOUT

(100mV/div)

100mA

4.51V

10mA

Voltage Mode Line Regulation

Input Voltage (V)

4.1

4.2

4.3

4.4

4.5

4.6

4.7

4.8

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

IOUT = 10mA

IOUT = 30mA

IOUT = 80mA

IOUT = 120mA

Voltage Mode Load Regulation

Load Current (mA)

4.1

4.2

4.3

4.4

4.5

4.6

4.7

4.8

105

120

135

150

VIN = 3.3V

VIN = 3.7V

VIN = 4.2V

Load Characteristic

(VIN = 2.8V; 2X Mode; 152mA/ch Load)

2µs/div

VIN

(100mV/div)

VSINK

(200mV/div)

VOUT

(200mV/div)

Load Characteristic

(VIN = 3.6V; 1.5X Mode; 152mA/ch Load)

2µs/div

VIN

(100mV/div)

VSINK

(200mV/div)

VOUT

(200mV/div)

Load Characteristic

(VIN = 3.0V; 1.5X Mode; 50mA/ch Load)

2µs/div

VIN

(100mV/div)

VSINK

(200mV/div)

VOUT

(200mV/div)

AAT3172

High Current LED Flash Driver Charge Pump IC

3172.2006.05.1.5

AAT3172 Datasheet(PDF) 6 Page - Advanced Analog Technology, Inc.

AAT3172 Datasheet(HTML) 6 Page - Advanced Analog Technology, Inc.

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