L7985ATR

L7985ATR is a step-down switching regulator with a 2.5A (minimum) current limited embedded power MOSFET, so it is able to deliver up to 2A current to the load depending on the application conditions. The input voltage can range from 4.5V to 38V, while the output voltage can be set starting from 0.6V to VIN. Requiring a minimum set of external components, this device includes an internal 250KHz switching frequency oscillator that can be externally adjusted up to 1MHz. Applications include consumer: STB, DVD, DVD recorder, car audio, LCD TV and monitors, industrial: PLD, PLA, FPGA, chargers, networking: XDSL, modems, DC-DC modules, computer: optical storage, hard disk drive, printers, audio/graphic cards, LED driving.

• 2A DC output current, 4.5V to 38V input voltage
• Internal soft-start and enable, low dropout operation: 100% duty cycle
• Voltage feed-forward, zero load current operation
• Overcurrent and thermal protection, 250KHz typical switching frequency
• MOSFET on-resistance is 200mohm typical
• Duty cycle is 100% maximum
• Quiescent current is 2.4mA maximum at (duty cycle = 0, VFB = 0.8V)
• Total standby quiescent current is 20µA typical
• Input pulse width is 100ns minimum at (VS-IN,HI = 3V, VS-IN,LO = 0V)
• Junction temperature range from -40 to 150°C, HSOP8 package