Download L4973 Datasheet PDF
STMicroelectronics
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 =...