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LPS3015

Description
High Voltage Input Integrated Switch Step-Down Regulator
File Size648KB,38 Pages
ManufacturerMicrochip
Websitehttps://www.microchip.com
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LPS3015 Overview

High Voltage Input Integrated Switch Step-Down Regulator

MCP16301
High Voltage Input Integrated Switch Step-Down Regulator
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
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.
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
D
2
Package Linear Regulator Replacement
- See
Figure 5-2
• Consumer
• Medical and Health Care
• Distributed Power Supplies
Package Type
MCP16301
6-Lead SOT-23
BOOST
1
6 SW
5 V
IN
4 EN
GND 2
V
FB
3
©
2011 Microchip Technology Inc.
DS25004A-page 1

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