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ACT8810
(Rev.:2009)

Eight Channel ActivePath™ Power Management IC

Active-Semi, Inc 

Active-Semi

ACT8810

Rev 4, 01-Oct-09

STEP-DOWN DC/DC CONVERTERS

TYPICAL PERFORMANCE CHARACTERISTICS

(ACT8810QJ343, VVP1 = VVP2 = 3.6V, L = 3.3µH, CVP1 = CVP2 = 4.7μF, COUT1 = 22µF, COUT2 = 10μF, TA = 25°C, unless otherwise specified.)

REG1 Efficiency vs. Load Current

100 VVSYS = 3.6V

80

VVSYS = 5.2V

VVSYS = 4.6V

VVSYS = 4.2V

60

40

20

0

2

VOUT1 = 3.3V

20

200

2000

Load Current (mA)

REG2 Efficiency vs. Load Current

100

VVSYS = 3.6V

80

VVSYS = 5.2V

60

VVSYS = 4.6V

VVSYS = 4.2V

40

20

0

1

VOUT2 = 1.2V

10

100

1000

Load Current (mA)

OUT1 Regulation Voltage vs. Temperature

3.318

3.315

3.312

3.309

3.306

3.303

3.300

3.297

3.294

3.291

3.288

3.285

3.282

IOUT1 = 35mA

-40

-20

0

20

40

60

85

Temperature (°C)

OUT2 Regulation Voltage vs. Temperature

1.212

IOUT2 = 35mA

1.208

1.204

1.200

1.196

1.192

1.188

-40

-20

0

20

40

60

85

Temperature (°C)

REG1 RDSON vs. VP1 Input Voltage

0.18

0.16

PMOS

0.14

NMOS

0.12

0.10

0.08

0.06

0.04

0.02

0

3.5

4.0

4.5

5.0

5.5

6.0

6.5

VP1 Input Voltage (V)

Innovative PowerTM

ActivePMUTM and ActivePathTM are trademarks of Active-Semi.

I2CTM is a trademark of Philips Electronics.

- 20 -

REG2 RDSON vs. VP2 Input Voltage

0.5

0.4

0.3

PMOS

0.2

NMOS

0.1

0

3.0

3.5

4.0

4.5

5.0

5.5

6.0

VP2 Input Voltage (V)

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Copyright © 2009 Active-Semi, Inc.

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