PAM2305

Document number: DSxxxxx Rev. 2 - 6

2 of 17

www.diodes.com

January 2013

© Diodes Incorporated

PAM2305

A Product Line of

Diodes Incorporated

Typical Applications Circuit

Fixed Output Voltage

Adjustable Output Voltage

⎟

⎠

⎞

⎜

⎝

⎛ +

×

=

2

R

1

R

1

6

.

0

Pin Descriptions

Pin

Name

Package Name

Function

TSOT25

DFN2x2-6L

QFN3x3-16L

VIN

1

3

GND

2

5

1, 2, 3, 5

Ground.

EN

3

2

7

Enable Control Input. Force this pin voltage above 1.5V, enables the chip, and

below 0.3V shuts down the device.

VOUT/FB

4

6

4

VOUT: Output voltage feedback pin, an internal resistive divider divides the output

voltage down for comparison to the internal reference voltage.

FB: Feedback voltage to internal error amplifier, the threshold voltage is 0.6V.

SW

5

4

13, 14, 15

The drains of the internal main and synchronous power MOSFET.

NC

—

1

6, 8, 16

No connection.

Functional Block Diagram