SS6845G datasheet(3/13 Pages) SSC

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SS6845G

7/21/2005 Rev.3.01

ELECTRICAL CHARACTERISTICS

(TA=25°C, CFLY=0.22µF, CIN=2.2µF, COUT=2.2µF, unless otherwise specified.) (Note 1)

PARAMETER

TEST CONDITIONS

SYMBOL

MIN.

TYP.

MAX.

UNIT

Input voltage

VIN

2.7

5.0

2.7V

≤ VIN< 3.3V,

IOUT≤ 30mA

4.8

5.0

5.2

Output voltage

3.3V

≤ VIN≤ 5.0V,

IOUT≤ 60mA

VOUT

4.8

5.0

5.2

Continuous output current

VIN=3V, VOUT=5.0V

SHDN

=VIN

IOUT

Supply current

2.7V

≤ VIN≤ 5.0V,

IOUT=0 , SHDN =VIN

ICC

µA

Shutdown current

2.7V

≤ VIN≤ 5.0V,

IOUT=0 , SHDN =0V

SHDN

0.01

1.0

µA

Output ripple

VIN =3V, IOUT=50mA

Efficiency

VIN =2.7V , IOUT=30mA

Switching frequency

Oscillator free-running

fOSC

650

KHz

Shutdown input threshold

(High)

VIH

1.4

Shutdown input threshold

(Low)

VIL

0.3

Shutdown input current

(High)

SHDN

=VIN

IIH

-1

µA

Shutdown input current

(Low)

SHDN

= 0V

IIL

-1

µA

Vout turn-on time

VIN =3V, IOUT = 0mA

tON

0.5

Output short-circuit current

VIN=3V, VOUT= 0V,

SHDN

= VIN

ISC

170

Note1: Specifications are production tested at TA=25°C. Specifications over the -40°C to 85°C operating

temperature range are assured by design, characterization and correlation with Statistical Quality

Controls (SQC).

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