Microchip MCP16301H manual

Microchip MCP16301H
7.2 · 1
PDF user manual
 · 38 pages
user manualMicrochip MCP16301H
2011-2021 Microchip Technology Inc. DS20005004E-page 3



Up to 96% Typical Efficiency
Input Voltage Range:
- 4.0V to 30V (MCP16301)
- 4.7V to 36V (MCP16301H)
Output Voltage Range: 2.0V to 15V
2% Output Voltage Accuracy
Passes Automotive AEC-Q100 Reliability Testing
Integrated N-Channel Buck Switch: 460 m
Minimum 600 mA Output Current Over All Input
Voltage Range (See Figure 2-6 for Maximum
Output Current vs. V
- Up to 1A output current at 3.3V, 5V and 12V
, SOT-23 package at +25°C ambient
500 kHz Fixed Frequency
Adjustable Output Voltage
Low Device Shutdown Current
Peak Current Mode Control
Internal Soft-Start
Internal Compensation
Stable with Ceramic Capacitors
Cycle-by-Cycle Peak Current Limit
Undervoltage Lockout (UVLO): 3.5V
Overtemperature Protection
Available Package: SOT-23-6


Microcontroller and dsPIC
Digital Signal
Controller Bias Supply
24V Industrial Input DC-DC Conversion
Set-Top Boxes
DSL Cable Modems
Wall Cube Regulation
SLA Battery-Powered Devices
AC-DC Digital Control Power Source
Power Meters
Package Linear Regulator Replacement
-See Figure 5-2
Medical and Health Care
Distributed Power Supplies

General Description

The MCP16301/H devices are highly integrated,
high-efficiency, fixed-frequency, step-down DC-DC
converters in a popular 6-pin SOT-23 package, that
operate from input voltage sources up to 36V.
Integrated features include a high-side switch,
fixed-frequency peak current mode control, internal
compensation, peak current limit and overtemperature
protection. Only a few 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/H devices 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/H devices are offered in a
space-saving SOT-23-6 surface mount package.

Package Type

6-Lead SOT-23

High-Voltage Input Integrated Switch Step-Down Regulator

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