The LT1073 is a versatile micropower DC/DC converter. The device requires only three external components to deliver a fixed output of 5V or 12V. The very low minimum supply voltage of 1V allows the use of the LT1073 in applications where the primary power source is a single cell. An on-chip auxiliary gain block can function as a low-battery detector or linear post-regulator.
The device can easily be configured as a step-up or step-down converter, although for most step-down applications or input sources greater than 3V, the LT1173 is recommended. Switch current limiting is user-adjustable by adding a single external resistor. Unique reverse-battery protection circuitry limits reverse current to safe, nondestructive levels at reverse supply voltages up to 1.6V.
- No design required
- Operates at supply voltages from 1.0V to 30V
- Consumes only 95µA supply current
- Works in step-up or step-down mode
- Only three external off-the-shelf components required
- Low-battery detector comparator on-chip
- User-adjustable current limit
- Internal 1A power switch
- Fixed or adjustable output voltage versions
- Space-saving 8-Pin minidip or SO8 package
- For full details please refer to data sheet