FAN5308(2005) Просмотр технического описания (PDF) - Fairchild Semiconductor

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FAN5308
(Rev.:2005)

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

Fairchild Semiconductor 

Pin Assignment

Top View

VIN 1

PGND 2

P1

(AGND)

6 SW

5 NC

EN 3

4 FB

3x3mm 6-Lead MLP

Figure 2. Pin Assignment

Pin Description

Pin No.

P1

1

2

3

4

5

6

Pin Name

Pin Description

AGND

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

VIN

PGND

Supply Voltage Input.

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

externally connected to AGND.

EN

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.

FB

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

NC

No Connection Pin.

SW

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

FAN5308 Rev. 1.0.1

2

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