L5973AD
2 A switch step down switching
regulator
Features
■ 2 A internal switch ■ Operating input voltage from 4 V to 36 V ■ 3.
3 V / (±2%) reference voltage ■ Output voltage adjustable from 1.
235 V to 35 V ■ Low dropout operation: 100% duty cycle ■ 500 kHz Internally fixed frequency ■ Voltage feedforward ■ Zero load current operation ■ Internal current limiting ■ Inhibit for zero current consumption ■ Synchronization ■ Protection against feedback disconnection ■ Thermal shutdown
Applications
■ Consumer: STB, DVD, TV, VCR, car radio, LCD monitors
■ Networking: XDSL, modems, DC-DC modules ■ Computer: printers, audio/graphic cards,
optical storage, hard disk drive ■ Industrial: chargers, car ...