AAT3125 datasheet(6/12 Pages) ANALOGICTECH

Part #	AAT3125

Description	USB OTG 5V Charge Pump

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Manufacturer	ANALOGICTECH [Advanced Analogic Technologies]

Direct Link	http://www.analogictech.com

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6 / 12 page

AAT3125

USB OTG 5V Charge Pump

6

3125.2005.12.1.4

Typical Characteristics

Unless otherwise noted, V

IN = 3.5V, CIN = COUT = C1 = C2 = 1µF, TA = 25°C.

Charge Pump Output Voltage vs. Input Voltage

(ILOAD = 100mA)

0

1

2

3

4

5

6

012345

Input Voltage (V)

Charge Pump Output Voltage

vs. Load Current

4.5

4.7

4.9

5.1

5.3

5.5

1

10

100

1000

Load Current (mA)

VIN = 3.9V

VIN = 3.7V

Load Transient Response

(10mA to 100mA)

Time (4ms/div)

Charge Pump Waveforms

(100mA load)

Time (1

µs/div)

IN

OUT

Efficiency vs. Load Current

0

10

20

30

40

50

60

70

80

90

100

1

10

100

1000

Load Current (mA)

VIN = 3.8V

VIN = 3.4V

Charge Pump ON/OFF Timing

Time (2ms/div)

OUT

(1V/div)

IIN

(100mA/div)

EN

(1V/div)

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AAT3125 Datasheet(PDF) 6 Page - Advanced Analogic Technologies

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