LM3354-3.
7 Regulated 90mA Buck-Boost Switched Capacitor DC/DC Converter
November 2002
LM3354-3.
7
Regulated 90mA Buck-Boost Switched Capacitor DC/DC
Converter
General Description
The LM3354 is a
CMOS switched capacitor DC/DC converter that produces a regulated output
voltage by automatically stepping up (boost) or stepping down (buck) the input
voltage.
It accepts an input
voltage between 2.
5V and 5.
5V.
The LM3354 is also available with standard output
voltages of 1.
8V, 3.
3V, 3.
7V, 4.
1V (ideal for white LED applications), and 5.
0V.
If other output
voltage options between 1.
8V and 5.
0V are desired, please contact your National Semiconductor representative.
The LM3354’s proprietary buck-bo...