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ACT6311
(Rev.:2011)

White LED/OLED Step-Up Converter

Active-Semi, Inc 

ACT6311

Rev 3, 22-Feb-11

TYPICAL PERFORMANCE CHARACTERISTICS CONT’D

(Circuit of Figure 1, unless otherwise specified.)

Switching Waveform in Discontinuous Mode

SW

5V/DIV

Inductor

Current

100mA/DIV

VOUT

200mV/DIV

VIN = 3V

No load

1µs/DIV

Startup without Soft Start Circuit

Inductor

Current

200mA/DIV

VOUT

5V/DIV

SHDN

20µs/DIV

VIN = 3.6V

ILOAD = 20MA

Startup with Soft Start Circuit

Inductor

Current

50mA/DIV

VOUT

5V/DIV

SHDN

VIN = 3.6V

ILOAD = 20mA

Test Circuit Figure 8

4ms/DIV

Load Step Response

VOUT

1V/DIV

VIN = 3.6V

VOUT = 13.6V

20mA

Load Step

2mA

100µs/DIV

Line Step Response

VOUT = 13.6V

IOUT = 10mA

VOUT

500mV/DIV

5.5V

VIN

3V

100µs/DIV

Innovative PowerTM

-9-

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Copyright © 2011 Active-Semi, Inc.

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