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reference designMCP16311 | Demoboard BB22H52A

Microchip MCP16311 | Demoboard BB22H52A

MCP16311 Building Block Solutions

Overview

TopologyBuck Converter
Input voltage4.5-30 V
Output 13.3 V / 1 A
IC revision2

Description

The MCP16311/2 is a compact, high-efficiency, fixed frequency, synchronous step-down DC-DC converter in an 8-pin MSOP, or 2 x 3 mm TDFN package that operates from input voltage sources up to 30V. Integrated features include a high-side and a low-side switch, fixed frequency peak current mode control, internal compensation, peak current limit and overtemperature protection. The MCP16311/2 provides all the active functions for local DC-DC conversion, with fast transient response and accurate regulation.

Features

  • Modular Design for Easy Evaluation of Each Converter
  • Clearly Labeled Sub-Modules for Quick Identification
  • Pre-Configured Output Voltages for Typical Use Cases Building Block Solutions – Switchers User’s Guide User Guide © 2025 Microchip Technology Inc. and its subsidiaries DS50003984A - 2
  • Test Points and Connectors for Easy Measurement and Integration

Typical applications

  • Distributed Power Supplies, PIC®/dsPIC® Microcontroller Bias Supply, 24V Industrial Input DC-DC
  • Laptop Computers
  • Automotive Battery Regulation
  • Networking Systems

More information

Parts approved by Microchip

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Order Code
Data­sheet
Simu­lation
Downloads
Status
Product series
C
Tol. C
VR(V (DC))
Size
Operating Temperature
DF(%)
RISO
Ceramic Type
L(mm)
W(mm)
H(mm)
Fl(mm)
Packaging
L(µH)
IRP,40K(A)
ISAT,30%(A)
RDC typ.(mΩ)
fres(MHz)
VOP(V)
Mount
R
Tol. R
PRated(W)
TCR(ppm/ °C)
TCR(ppm/ °C)
VE(V)
SamplesAvailability & Sample
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885012207128
SPECWCAP-CSGP MLCCs 100 V(DC), 100 nF, ±10%
Simu­lation
Availability
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Downloads7 files

Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Product seriesWCAP-CSGP MLCCs 100 V(DC)
Capacitance100 nF
Capacitance±10% 
Rated Voltage100 V (DC)
Size0805 
Operating Temperature -55 °C up to +125 °C
Dissipation Factor2.5 %
Insulation Resistance1 GΩ
Ceramic TypeX7R Class II 
Length2 mm
Width1.25 mm
Height1.25 mm
Pad Dimension0.5 mm
Packaging7" Tape & Reel 
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885012207078
SPECWCAP-CSGP MLCCs 25 V(DC), 1 µF, ±10%
Simu­lation
Availability
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Downloads8 files

Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Product seriesWCAP-CSGP MLCCs 25 V(DC)
Capacitance1 µF
Capacitance±10% 
Rated Voltage25 V (DC)
Size0805 
Operating Temperature -55 °C up to +125 °C
Dissipation Factor5 %
Insulation Resistance0.5 GΩ
Ceramic TypeX7R Class II 
Length2 mm
Width1.25 mm
Height1.25 mm
Pad Dimension0.5 mm
Packaging7" Tape & Reel 
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885012108022
SPECWCAP-CSGP MLCCs 50 V(DC), 10 µF, ±10%
Simu­lation
Availability
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Downloads9 files

Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Product seriesWCAP-CSGP MLCCs 50 V(DC)
Capacitance10 µF
Capacitance±10% 
Rated Voltage50 V (DC)
Size1206 
Operating Temperature -55 °C up to +85 °C
Dissipation Factor10 %
Insulation Resistance0.005 GΩ
Ceramic TypeX5R Class II 
Length3.2 mm
Width1.6 mm
Height1.6 mm
Pad Dimension0.6 mm
Packaging7" Tape & Reel 
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74438356150
SPECWE-MAPI SMT Power Inductor, –, –
Simu­lation
Availability
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Downloads10 files

Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Product seriesWE-MAPI SMT Power Inductor
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Size4020 
Operating Temperature -40 °C up to +125 °C
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Length4 mm
Width4 mm
Height2 mm
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Inductance15 µH
Performance Rated Current2.1 A
Saturation Current @ 30%2.85 A
DC Resistance200 mΩ
Self Resonant Frequency14 MHz
Operating Voltage80 V
MountSMT 
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560112120004
SPECWRIS-RSKS Thick Film Resistors, –, –
Simu­lation
Availability
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Downloads8 files

Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Product seriesWRIS-RSKS Thick Film Resistors
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Size0805 
Operating Temperature -55 °C up to +155 °C
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Length2 mm
Width1.25 mm
Height0.5 mm
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MountSMT 
Resistance10 kΩ
Resistance±1% 
Rated Power0.25 W
Temperature Coefficient of Resistance (min.)-100 ppm/ °C
Temperature Coefficient of Resistance (max.)100 ppm/ °C
Limiting Element Voltage150 V
–Check availability
560112120013
SPECWRIS-RSKS Thick Film Resistors, –, –
Simu­lation
Availability
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Downloads7 files

Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Product seriesWRIS-RSKS Thick Film Resistors
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Size0805 
Operating Temperature -55 °C up to +155 °C
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Length2 mm
Width1.25 mm
Height0.5 mm
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MountSMT 
Resistance100 kΩ
Resistance±1% 
Rated Power0.25 W
Temperature Coefficient of Resistance (min.)-100 ppm/ °C
Temperature Coefficient of Resistance (max.)100 ppm/ °C
Limiting Element Voltage150 V
–Check availability