原装正品 FT封装SOT23-5 同步降压IC

GENERAL DESCRIPTION:

The FTis a constant frequency, current mode
step-down converter. The device integrates a main
switch and a synchronous rectifier for high
efficiency without an external Schottky diode. It is
ideal for powering portable equipment that runs
from a single cell Lithium-Ion (Li+) battery. The
output voltage can be regulated as low as 0.6V
The can also run at 100% duty cycle for
low dropout operation, extending battery life in
portable system. This device offers two operation
modes, PWM control and PFM Mode switching
control, which allows a high efficiency over the
wider range of the load.
The is offered in a low profile 5-pin, SOT
package, and is available in an adjustable version.
FEATURES:
-High Efficiency: Up to 96%
-1.5MHz Constant Frequency Operation
-800mA Output Current
- No Schottky Diode Required
-2V to 6V Input Voltage Range
-Output Voltage as Low as 0.6V
-PFM Mode for High Efficiency in Light Load
-100% Duty Cycle in Dropout Operation
-Low Quiescent Current: 20μA
-Slope Compensated Current Mode Control for
Excellent Line and Load Transient Response
-Short Circuit Protection
-Thermal Fault Protection
-nrush Current Limit and Soft Start
-<1μA Shutdown Current
-SOT23-5 package
APPLICATIONS:
-Cellular and Smart Phones
-Wireless and DSL Modems
-PDAs
-Portable Instruments
- Digital Still and Video Cameras
-DTV