AP62201数据手册集成电路（IC）的稳压器-DC-DC开关稳压器规格书PDF

描述 Description

The AP62200 is a 2A, synchronous buck converter with a wide input voltage range of 4.2V to 18V. The device fully integrates a 90mΩ high-side power MOSFET and a 65mΩ low-side power MOSFET to provide high-efficiency step-down DC/DC conversion.

The AP62200 device is easily used by minimizing the external component count due to its adoption of Constant On-Time (COT) control to achieve fast transient response, easy loop stabilization, and low output voltage ripple.

The AP62200 design is optimized for Electromagnetic Interference (EMI) reduction. It has a proprietary gate driver scheme to resist switching node ringing without sacrificing MOSFET turn-on and turnoff times, which reduces high-frequency radiated EMI noise caused by MOSFET switching.

The device is available in a SOT563 or TSOT26 package.

特性 Features

•VIN: 4.2V to 18V
•Output Voltage (VOUT): 0.8V to 7V
•2A Continuous Output Current
•0.8V ± 1% Reference Voltage (TA = +25°C)
•135μA Low Quiescent Current
•740kHz Switching Frequency (VIN = 12V, VOUT = 5V)
•Up to 84% Efficiency at 5mA Light Load
•Proprietary Gate Driver Design for Best EMI Reduction
•Protection Circuitry
o Undervoltage Lockout (UVLO)o Cycle-by-Cycle Valley Current Limito Thermal Shutdown•Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2)
•Halogen and Antimony Free. “Green” Device (Note 3)

应用 Application

• Flat Screen TV Sets and Monitors

• Set Top Boxes

• Consumer Electronics

• Network Systems

• General Purpose Point of Load