ACT8332_08 datasheet(6/13 Pages) ACTIVE-SEMI

Part #	ACT8332

Description	Three Channel Integrated Power Management IC for Handheld Portable Equipment

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Manufacturer	ACTIVE-SEMI [Active-Semi, Inc]

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

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6 / 13 page

ACT8332

Rev0, 14-Mar-08

STEP-DOWN DC/DC CONVERTER

Innovative Power

TM

- 6 -

www.active-semi.com

ActivePMU

TM is a trademark of Active-Semi.

ELECTRICAL CHARACTERISTICS (REG1)

(VVP1 = 3.6V, TA = 25°C, unless otherwise specified.)

: VNOM1 refers to the nominal output voltage level for VOUT1 as defined by the Ordering Information section.

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

VP1 Operating Voltage Range

3.1

5.5

V

VP1 UVLO Threshold

Input Voltage Rising

2.9

3

3.1

V

VP1 UVLO Hysteresis

Input Voltage Falling

90

mV

Standby Supply Current

130

200

µA

Shutdown Supply Current

ON1 = GA, VVP1 = 4.2V

0.1

1

µA

Adjustable Output Option Regulation

Voltage

0.625

V

Output Voltage Regulation Accuracy

VNOM1 < 1.3V, IOUT1 = 10mA

-2.4%

VNOM1

+1.8%

V

VNOM1 ≥ 1.3V, IOUT1 = 10mA

-1.2%

VNOM1

+1.8%

Line Regulation

VVP1 = Max(VNOM1 + 1V, 3.2V) to 5.5V

0.15

%/V

Load Regulation

IOUT1 = 10mA to 350mA

0.0017

%/mA

Current Limit

0.45

0.6

A

Oscillator Frequency

VOUT1 ≥ 20% of VNOM1

1.35

1.6

1.85

MHz

VOUT1 = 0V

530

kHz

ON1 Logic High Input Voltage

VINL = 3.1V to 5.5V, VVP1 = 3.1V to 5.5V,

TA = -40°C to 85°C

1.4

V

ON1 Logic Low Input Voltage

VINL = 3.1V to 5.5V, VVP1 = 3.1V to 5.5V,

TA = -40°C to 85°C

0.4

V

PMOS On-Resistance

ISW1 = -100mA

0.52

0.88

Ω

NMOS On-Resistance

ISW1 = 100mA

0.27

0.46

Ω

SW1 Leakage Current

VVP1 = 5.5V, VSW1 = 5.5V or 0V

1

µA

Power Good Threshold

94

%VNOM1

Minimum On-Time

70

ns

Thermal Shutdown Temperature

Temperature Rising

160

°C

Thermal Shutdown Hysteresis

Temperature Falling

20

°C

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