FAN4860 Fairchild Semiconductor, FAN4860 Datasheet - Page 2

• Manufacturer Part Number: FAN4860
• Description: The FAN4860 is a low-power boost regulator designed to provide a regulated 5V output from a single cell Li-Ion battery
• Manufacturer: Fairchild Semiconductor

© 2010 Fairchild Semiconductor Corporation
FAN4860 • Rev. 1.1.0
Block Diagrams
Pin Configuration
Pin Definitions
WLCSP
A1
B1
C1
C2
B2
A2
Figure 3.
Pin #
UMLP
1, P1
6
5
4
3
2
WLCSP (Top View)
Name
VOUT
GND
VIN
SW
EN
FB
Description
Input Voltage. Connect to Li-Ion battery input power source and input capacitor (C
Switching Node. Connect to inductor.
Enable. When this pin is HIGH, the circuit is enabled. This pin should not be left floating.
Feedback. Output voltage sense point for V
Output Voltage. This pin is both the output voltage terminal as well as an IC bias supply.
Ground. Power and signal ground reference for the IC. All voltages are measured with
respect to this pin.
Figure 4.
Figure 2.
WLCSP (Bottom View)
2
IC Block Diagram
OUT
. Connect to output capacitor (C
Figure 5.
2X2mm UMLP (Top View)
www.fairchildsemi.com
OUT
).
IN
).