MSS7341 datasheet(1/38 Pages) MICROCHIP

部品番号	MSS7341

部品情報	High Voltage Input Integrated Switch Step-Down Regulator

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メーカー	MICROCHIP [Microchip Technology]

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DS25004A-page 1

MCP16301

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 m

Ω

•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

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.

High converter efficiency is achieved by integrating the

current limited, low resistance, high-speed N-Channel

MOSFET

and

associated

drive

circuitry.

High

switching frequency minimizes the size of external

filtering components resulting in a small solution size.

The MCP16301 can supply 600 mA of continuous

current while regulating the output voltage from 2.0V to

15V. An integrated, high-performance peak current

mode architecture keeps the output voltage tightly

regulated, even during input voltage steps and output

current transient conditions that are common in power

systems.

The EN input is used to turn the device on and off.

While turned off, only a few micro amps of current are

consumed from the input for power shedding and load

distribution applications.

Output voltage is set with an external resistor divider.

The MCP16301 is offered in a space saving SOT-23-6

surface mount package.

Package Type

VIN

VFB

BOOST

GND

EN

MCP16301

6-Lead SOT-23

SW

1

2

3

4

5

6

High Voltage Input Integrated Switch Step-Down Regulator

同様の部品番号 - MSS7341

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