ACT8712QLEHA-T View Datasheet(PDF) - Active-Semi, Inc

Part Name

Description

MFG CO.

ACT8712QLEHA-T

Four Channel Integrated Power Management IC for Handheld Portable Equipment

Active-Semi, Inc 

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ACT8712

Rev0, 25-Feb-08

STEP-DOWN DC/DC CONVERTERS

ELECTRICAL CHARACTERISTICS

(VVP2 = 3.6V, TA = 25°C, unless otherwise specified.)

PARAMETER

TEST CONDITIONS

VP2 Operating Voltage Range

VP2 UVLO Threshold

Input Voltage Rising

VP2 UVLO Hysteresis

Input Voltage Falling

Standby Supply Current

Shutdown Supply Current

ON1 = GA, VVP2 = 4.2V

VNOM2 < 1.3V, IOUT2 = 10mA

Output Voltage Regulation Accuracy

VNOM2 ≥ 1.3V, IOUT2 = 10mA

Line Regulation

VVP2 = Max(VNOM2 + 1V, 3.2V) to 5.5V

Load Regulation

Current Limit

IOUT2 = 10mA to 750mA

Oscillator Frequency

PMOS On-Resistance

NMOS On-Resistance

VOUT2 ≥ 20% of VNOM2

VOUT2 = 0V

ISW2 = -100mA

ISW2 = 100mA

SW2 Leakage Current

VVP2 = 5.5V, VSW2 = 5.5V or 0V

Power Good Threshold

Minimum On-Time

MIN

3.1

2.9

-2.4%

-1.2%

0.85

1.35

TYP

3

80

130

0.1

VNOM2c

VNOM2

0.15

0.0017

1.1

1.6

530

0.28

0.20

94

70

MAX

5.5

3.1

200

1

+1.8%

+1.8%

1.85

0.50

0.35

1

UNIT

V

V

mV

µA

µA

V

%/V

%/mA

A

MHz

kHz

Ω

Ω

µA

%VNOM2

ns

c: VNOM2 refers to the nominal output voltage level for VOUT2 as defined by the Ordering Information section.

Innovative Products. Active Solutions.

ActivePMUTM is a trademark of Active-Semi.

I2CTM is a trademark of Philips Electronics.

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Copyright © 2008 Active-Semi, Inc.

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