ACT8810 datasheet(21/52 Pages) ACTIVE-SEMI

Part #	ACT8810

Description	Eight Channel ActivePathTM Power Management IC

PDF	52 Pages

Scroll/Zoom	100%

Manufacturer	ACTIVE-SEMI [Active-Semi, Inc]

Direct Link	http://www.active-semi.com

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21 / 52 page

STEP-DOWN DC/DC CONVERTERS

ACT8810

Rev 4, 01-Oct-09

Active-Semi

Innovative PowerTM

- 21 -

www.active-semi.com

ActivePMUTM and ActivePathTM are trademarks of Active-Semi.

I2CTM is a trademark of Philips Electronics.

(ACT8810QJ343, VVP3 = 3.6V, L = 3.3µH, CVP3 = 4.7μF, COUT3 = 10μF, TA = 25°C, unless otherwise specified.)

TYPICAL PERFORMANCE CHARACTERISTICS CONT’D

OUT3 Regulation Voltage vs. Tempera-

1.812

1.788

Temperature (°C)

-20

-40

1.808

1.804

1.800

1.796

1.792

IOUT3 = 35mA

VP3 Input Voltage (V)

6.0

0.1

REG3 RDSON vs. VP3 Input Voltage

0.45

0.35

0.25

0.50

0.40

0.30

0.20

0.15

5.0

4.5

4.0

3.5

3.0

PMOS

NMOS

REG3 Efficiency vs. Load Current

1000

Load Current (mA)

100

VVSYS = 4.2V

VOUT3 = 1.2V

100

VVSYS = 3.6V

VVSYS = 4.6V

5.5

ACT8810 Datasheet(PDF) 21 Page - Active-Semi, Inc

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