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General Description

The MCP16301 is a highly integrated, high-efficiency, fixed frequency, step-down DC-DC converter in a popular 6-pin SOT-23 package that operates from input voltage sources up to 30V. Integrated features include a high side switch, fixed frequency Peak Current Mode Control, internal compensation, peak current limit and overtemperature protection. Minimal external components are necessary to develop a complete step-down DC-DC converter power supply.

特性 Features

• Up to 96 Typical Efficiency

• Input Voltage Range: 4.0V to 30V

• Output Voltage Range: 2.0V to 15V

• 2 Output Voltage Accuracy

• Integrated N-Channel Buck Switch: 460 mΩ

• 600 mA Output Current

• 500 kHz Fixed Frequency

• Adjustable Output Voltage

• Low Device Shutdown Current

• Peak Current Mode Control

• Internal Compensation

• Stable with Ceramic Capacitors

• Internal Soft-Start

• Cycle by Cycle Peak Current Limit

• Under Voltage Lockout (UVLO): 3.5V

• Overtemperature Protection

• Available Package: SOT-23-6

Applications

• PIC®/dsPIC Microcontroller Bias Supply

• 24V Industrial Input DC-DC Conversion

• Set-Top Boxes

• DSL Cable Modems

• Automotive

• Wall Cube Regulation

• SLA Battery Powered Devices

• AC-DC Digital Control Power Source

• Power Meters

• D2 Package Linear Regulator Replacement

- See Figure 5-2

• Consumer

• Medical and Health Care

• Distributed Power Supplies