ACT6311

- 3 -

www.active-semi.com

Copyright © 2011 Active-Semi, Inc.

Rev 3, 22-Feb-11

ABSOLUTE MAXIMUM RATINGS

PARAMETER

VALUE

UNIT

IN, SHDN Voltage

-0.3 to 6

V

SW Voltage

-0.3 to 30

V

FB Voltage

V

0.4

W

190

°C/W

Operating Junction Temperature

-40 to 150

°C

Lead Temperature (Soldering, 10 sec)

300

°C

PARAMETER

SYMBOL

TEST CONDITIONS

MIN

TYP

MAX UNIT

Input Voltage Range

2.5

5.5

V

Feedback Voltage

1.18

1.24

1.30

V

FB Input Current

50

nA

Supply Current

SHDN = IN

0.7

1.5

mA

Supply Current in Shutdown

SHDN = G

0

1

µA

Switching Frequency

0.8

1

1.2

MHz

Maximum Duty Cycle

80

85

%

Switch Current Limit

75% Duty Cycle

320

mA

Switch On Voltage

350

mV

Switch Leakage Current

10

µA

SHDN Logic High Threshold

1.6

V

SHDN Logic Low Threshold

0.4

V

SHDN Input Current

0

1

µA

(Note: Exceeding these limits may damage the device. Exposure to absolute maximum rating conditions for long periods may affect

device reliability.)

ELECTRICAL CHARACTERISTICS