FAN4603 Datasheet, PDF (2/12 Pages) Fairchild Semiconductor – 600mA, Fully Integrated, Buck Power Supply Module

Typical Application
Pin Configuration
Figure 1. Typical Application
Figure 2. MLP 4.0 x 2.5 mm (Top View)
Figure 3. 3D Package View
Pin Definitions
Pin # Name Description
1
VIN Input Voltage. Connect to input power source
2
EN
Enable. The device is in shutdown mode when voltage to this pin is <0.4V and enabled when >1.2V.
Do not leave this pin floating.
3
SW Switching Node. Leave this pin floating.
4
VOUT Output Voltage. Connect to Load.
5
FB Feedback/VOUT. This pin must be shorted directly to VOUT (Pin 4).
6
GND Ground. Power and IC ground. All signals are referenced to this pin.
P1
GND Optional Ground Connection. Not typically used.
© 2009 Fairchild Semiconductor Corporation
FAN4603 • Rev. 1.0.1
2
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