Connection Diagram

Top View

20018115

5-lead SOT-23 Package

NS Package Number MF05A

Ordering Information

Order Number

Package Type

NSC Package

Drawing

Supplied As

Package ID

LM2611AMF

SOT23-5

MF05A

1K Tape and Reel

S40A

LM2611AMFX

3K Tape and Reel

S40A

LM2611BMF

1K Tape and Reel

S40B

LM2611BMFX

3K Tape and Reel

S40B

Pin Description

Pin

Name

Function

1

SW

Drain of internal switch. Connect at the node of the input inductor and Cuk capacitor.

2

GND

Analog and power ground.

3

NFB

Negative feedback. Connect to output via external resistor divider to set output voltage.

4

SHDN

Shutdown control input. V

5V

IN

Analog and power input. Filter out high frequency noise with a 0.1 µF ceramic capacitor

placed close to the pin.

Block Diagram

20018101

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