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FAN5308

800mA High-Efficiency Step-Down DC-DC Converter

Fairchild Semiconductor 

Pin Configuration

VIN 1

PGND 2

P1

(AGND)

6 SW

5 NC

EN 3

4 FB

Pin Description

Pin #

P1

1

2

Name

AGND

VIN

PGND

3

EN

4

FB

5

NC

6

SW

Figure 2. Pin Assignment for 3x3mm 6-Lead MLP

Description

Analog Ground. P1 must be soldered to the PCB ground.

Supply Voltage Input.

Power Ground. This pin is connected to the internal MOSFET switches. This pin must

be externally connected to AGND.

Enable Input. Logic high enables the chip and logic low disables the chip, reducing

the supply current to less than 1µA. Do not float this pin.

Feedback Input. Adjustable voltage option, connect this pin to the resistor divider.

No Connection Pin.

Switching Node. This pin is connected to the internal MOSFET switches.

© 2005 Fairchild Semiconductor Corporation

FAN5308 Rev. 1.0.2

2

www.fairchildsemi.com

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