MIC5209

Micrel

MIC5209

2

August 2, 2000

1

2

3

4

8

7

6

5

GND

GND

GND

GND

EN

IN

OUT

BYP

MIC5209-x.xBM

SO-8

Fixed Voltages

1

2

3

4

8

7

6

5

GND

GND

GND

GND

EN

IN

OUT

ADJ

MIC5209BM

SO-8

Adjustable Voltage

Pin Description

Pin No.

Pin No.

Pin No.

Pin Name

Pin Function

SOT-223

SO-8

TO-263-5

1

2

2

IN

Supply Input

5–8

3

GND

through 8 are internally connected.

3

3

4

OUT

Regulator Output

1

1

EN

Enable (Input): CMOS compatible control input. Logic high = enable; logic

low or open = shutdown.

4 (fixed)

5 (fixed)

BYP

Reference Bypass: Connect external 470pF capacitor to GND to reduce

output noise. May be left open. For 1.8V or 2.5V operation, see “Applica-

tions Information.”

4 (adj.)

5 (adj.)

ADJ

Adjust (Input): Feedback input. Connect to resistive voltage-divider network.

5 BYP

4 OUT

3 GND

2IN

1EN

MIC5209-x.xBU

TO-263-5

Fixed Voltages

5 ADJ

4 OUT

3 GND

2IN

1EN

MIC5209BU

TO-263-5

Adjustable Voltage

Pin Configuration

IN

OUT

GND

13

2

TAB

GND

MIC5209-x.xBS

SOT-223

Fixed Voltages