L4973
L4973 is 3.5A step down switching regulator manufactured by STMicroelectronics.
3.5 A step down switching regulator
- production data
- Thermal shutdown
- Output over voltage protection
- Soft-start function
SO-20 (12+4+4)
Features
- Up to 3.5 A step down converter
- Operating input voltage from 8 V to 55 V
- 3.3 V and 5.1 V (±1 %) fixed output, and adjustable outputs from:
- 0.5 V to 50 V (3.3 type)
- 5.1 V to 50 V (5.1 type)
- Frequency adjustable up to 300 kHz
- Voltage feed forward
- Zero load current operation (min. 1 mA)
- Internal current limiting (pulse by pulse and HICCUP mode)
- Precise 5.1 V (1.5%) reference voltage externally available
- Input/output synchronization function
- Inhibit for zero current consumption (100 mA typ. at VCC =...