April 1998•

4-131

MIC4576

MIC4576

Micrel

Parameter

Condition

Min

Typ

Max

Units

MIC4576 / -3.3 / -5.0

Oscillator Frequency

180

200

220

kHz

Saturation Voltage

I

1.7

2.3

V

2.5

V

Current Limit

peak current, t

4.2

5.2

6.9

A

3.5

7.5

A

Standby Quiescent Current

V

50

200

µA

SHDN Input Logic Level

V

2.2

1.4

V

2.4

V

V

1.2

1.0

V

0.8

V

SHDN Input Current

V

4

30

µA

V

–10

0.01

10

µA

General Note: Devices are ESD protected, however, handling precautions are recommended.

Note 1:

V