FAN4855 Fairchild Semiconductor, FAN4855 Datasheet - Page 4

• Manufacturer Part Number: FAN4855
• Description: The FAN4855 is a low power boost regulator designed for low voltage DC to DC conversion in 2-cell battery powered systems such as digital cameras, cell phones and PDAs
• Manufacturer: Fairchild Semiconductor

FAN4855 Rev. 1.0.1
1.6V to 3.0V
Ext
Pull Up
SHDN
Reset
GND
VIN
2
1
2
1
2
1
2
1
2
1
+
C1
47µF
R1
750K
R2
240K
JP2
JP3
R3
100K
1
2
3
4
Figure 1. Test Circuit
U1 FAN4855
Vin
SHDN
LBI
LBO
10uH
4
Vout
Gnd
FB
VL
8
7
6
5
R6
287K
JP1
C3
18pF
R4
402K
240K
R5
+ C2
47µF
Tantalum
SCOPE JACK
J1
www.fairchildsemi.com
0.1µF
C5
3.3V or 5V
VOUT
GND1
1
2
1
2