Description
UTC LT1304/LT1304-3.3V/LT1304-5.0V LINEAR INTEGRATED CIRCUIT MICROPOWER DC/DC CONVERTERS WITH LOW-BATTERY DETECTOR ACTIVE IN SHUTDOWN .
The UTC LT1304 is a micropower step-up DC/DC converter ideal for use in small, low voltage, battery-operated systems.
Features
* 5V at 200mA from two cells.
* 10μA quiescent current in shutdown.
* Operates with VIN as low as1.5V
* Low battery detector active in shutdown
* Low switch VCESAT:370mV at 1A typical.
* 120μA quiescent current in active mode.
* Switching frequency up to 300kHz
* Programmable
Applications
* 2-,3-,or 4-cell to 5V or 3.3V step-up
* Portable instruments
* Bar code scanners
* Palmtop computers
* Diagnostic medical instrumentation.
* Personal data communicators/computers. PIN CONFIGURATION
LBI LBO V IN SW
1 2 3 4
8 7 6 5
FB(SENSE)
* SHDN IL I M GND
UTC
UNISONIC