ACT8309 datasheet(4/10 Pages) ACTIVE-SEMI

4 / 10 page

ACT8309/8310/8311

Rev 0, 15-Jun-10

Active-Semi

Innovative Power

- 4 -

www.active-semi.com

PARAMETER

SYMBOL

TEST CONDITIONS

MIN

TYP

MAX

UNIT

Input Voltage Range

VIN

2.7

5.0

Under Voltage Lockout Threshold

VUVLO

VIN rising, hysteresis = 80mV

2.35

2.5

2.6

Standby Supply Current

VFB = 103%VFB,TYP, IOUT = 0

150

310

µA

Shutdown Supply Current

EN = G, VIN = 4.2V

0.1

µA

FB Voltage

VFB

TA = 25°C

0.786

0.80

0.814

-40°C < TA < 85°C

0.776

0.80

0.824

Output Voltage Accuracy

TA = 25°C

-2%

VNOM

+2%

-40°C < TA < 85°C

-3%

VNOM

+3%

Output Voltage Line Regulation

0.06

0.4

%/V

Output Voltage Load Regulation

0.6

Current Limit

ACT8309NH

1.1

1.3

1.8

ACT8310NH

1.4

1.7

2.2

ACT8311NH

1.75

2.1

2.8

Max Output Current

ACT8309NH

0.9

ACT8310NH

1.2

ACT8311NH

1.5

Oscillator Frequency

fSW

VOUT = 80% of VOUT,NOM

1.05

1.35

1.6

MHz

VFB = 0.1V

450

kHz

PMOS On-Resistance

RONP

ACT8309, ISW = -100mA

0.15

0.234

ACT8310, ISW = -100mA

0.12

0.192

ACT8311, ISW = -100mA

0.10

0.165

NMOS On-Resistance

RONN

ISW = 100mA

0.15

0.26

Ω

EN Logic High Threshold

VIH

VIN = 2.7V to 5.0V

1.4

EN Logic Low Threshold

VIL

VIN = 2.7V to 5.0V

0.4

EN Input Bias Current

IEN

VIN = 5.0V, EN = G or IN

0.01

0.1

µA

POK Threshold

% of VOUT,NOM

POK Output Low Voltage

VOL

IPOK = 100µA

0.008

0.012

POK Leakage Current

IPOK

VPOK = 5.0V

0.01

0.1

µA

Ω

ELECTRICAL CHARACTERISTICS

(VIN = VEN = 3.6V, TA = 25˚C, unless otherwise specified.)

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