General Description

The HT7465 is a 2A high efficiency step-down DC-DC converter which includes a fully integrated MOS power transistor. The device uses a current-mode control operating methodology and can operate over a wide input voltage range of 4.75V to 24V for which it can provide a stable adjustable output voltage.

Feature

• Input voltage range: 4.75V to 24V

• Variable output voltage range: 0.92V to 20V

• 2A output current

• Efficiency up to 92

• Fixed 380kHz operating frequency

• 20mA shutdown current

• Internal power MOSFET switch

• Stable operation using low ESR ceramic capacitors

• Over temperature protection

• Cycle-by-cycle over current protection

• Soft-start function

• Under voltage lockout protection

• 8-pin SOP and 10-pin MSOP package

Applications

• Battery chargers

• Distributed power systems

• LED power supplies

• DSL modems

• Linear regulator pre power processing

• Set-Top-Boxes, DVD players, LCD displays