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reference designMCP16251 | Demoboard BB22H52A

Microchip MCP16251 | Demoboard BB22H52A

Low Quiescent Current, PFM/PWM Synchronous Boost Regulator with True Output Disconnect or Input/Output Bypass Option

Overview

TopologyBoost Converter
Input voltage1.5 V
Output 13.3 V / 0.1 A
IC revision1

Description

The MCP16251/2 is a compact, high-efficiency, fixed frequency, synchronous step-up DC-DC converter. This family of devices provides an easy-to-use power supply solution for applications powered by either one-cell, two-cell or three-cell alkaline, NiCd, NiMH, one-cell Li-Ion or Li-Polymer batteries.

Features

  • Modular Design for Easy Evaluation of Each Converter
  • Clearly Labeled Sub-Modules for Quick Identification
  • Pre-Configured Output Voltages for Typical Use CasesBuilding 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

  • Bias for Status LEDs
  • Wireless Sensors
  • One, Two and Three-Cell Alkaline and NiMH/NiCd, Bluetooth Headsets, Remote Controllers, Portable Instruments
  • Solar Cell Applications
  • Personal Care and Medical Products
  • +3.3V to +5.0V Distributed Power Supply
  • Smartphones, MP3 Players, Digital Cameras

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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885012107027
SPECWCAP-CSGP MLCCs 25 V(DC), 10 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)
Capacitance10 µF
Capacitance±10% 
Rated Voltage25 V (DC)
Size0805 
Operating Temperature -55 °C up to +85 °C
Dissipation Factor12.5 %
Insulation Resistance0.005 GΩ
Ceramic TypeX5R Class II 
Length2 mm
Width1.25 mm
Height1.25 mm
Pad Dimension0.5 mm
Packaging7" Tape & Reel 
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885012107019
SPECWCAP-CSGP MLCCs 25 V(DC), 22 µF, ±20%
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)
Capacitance22 µF
Capacitance±20% 
Rated Voltage25 V (DC)
Size0805 
Operating Temperature -55 °C up to +85 °C
Dissipation Factor10 %
Insulation Resistance0.002 GΩ
Ceramic TypeX5R Class II 
Length2 mm
Width1.25 mm
Height1.25 mm
Pad Dimension0.5 mm
Packaging7" Tape & Reel 
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560112116074
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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Size0603 
Operating Temperature -55 °C up to +155 °C
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Length1.6 mm
Width0.8 mm
Height0.45 mm
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MountSMT 
Resistance1 MΩ
Resistance±1% 
Rated Power0.1 W
Temperature Coefficient of Resistance (min.)-100 ppm/ °C
Temperature Coefficient of Resistance (max.)100 ppm/ °C
Limiting Element Voltage75 V
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560112116004
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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Size0603 
Operating Temperature -55 °C up to +155 °C
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Length1.6 mm
Width0.8 mm
Height0.45 mm
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MountSMT 
Resistance100 kΩ
Resistance±1% 
Rated Power0.1 W
Temperature Coefficient of Resistance (min.)-100 ppm/ °C
Temperature Coefficient of Resistance (max.)100 ppm/ °C
Limiting Element Voltage75 V
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74438335047HT
SPECWE-MAPI SMT Power Inductor, –, –
Simu­lation
Availability
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Downloads10 files

Status
NewProduct is new in our portfolio and production is active. Expected lifetime: >10 years.
iProduct is new in our portfolio and production is active. Expected lifetime: >10 years.
Product seriesWE-MAPI SMT Power Inductor
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Size3015HT 
Operating Temperature -55 °C up to +150 °C
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Length3.2 mm
Width3.2 mm
Height1.5 mm
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Inductance4.7 µH
Performance Rated Current2.2 A
Saturation Current @ 30%3.2 A
DC Resistance162.9 mΩ
Self Resonant Frequency26 MHz
Operating Voltage80 V
MountSMT 
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