MCP1640C-I/MC Microchip Integrated Circuit (Small Outline No-lead) In Stock

Name: MCP1640C-I/MC
Brand: Microchip
SKU: MCP1640C-I/MC
Availability: InStock

The MCP1640C-I/MC is a step-up DC/DC boost regulator from Microchip supporting 350 mA output and 500 kHz switching frequency with a 1.2 V nominal input. It operates in both fixed and adjustable output modes from 2 V to 5.5 V using PFM current-mode control. Available from stock with worldwide shipping.

ACTIVEIntegrated CircuitVerified Jun 2026

Package / Visual Reference

MCP1640C-I/MCSmall Outline No-lead

Quick Facts

Manufacturer: Microchip
Package: Small Outline No-lead
Pin Count: 8
Lifecycle: ACTIVE
Datasheet: MCP1640C-I/MC Datasheet PDF
Category: Integrated Circuit
Price: From $0.5900(MOQ 25)
Temp Range: -40.0°C to 85.0°C
RoHS: Compliant
Lead Time: 3–7 business days
Shipping: DHL Express · Worldwide

What are the key features of MCP1640C-I/MC?

Ultra-low 1.2 V nominal input voltage enables operation from a single alkaline or NiMH cell for battery-powered designs
Adjustable output voltage range of 2 V to 5.5 V with PFM control technique for high light-load efficiency
Compact 8-pin DFN (2x3 mm) package minimizes PCB footprint in space-constrained portable applications

What is MCP1640C-I/MC used for?

The MCP1640C-I/MC is ideal for single-cell battery-powered devices such as wireless sensors, IoT nodes, and handheld instruments where boosting a 1.2 V alkaline or NiMH cell to a regulated 3.3 V or 5 V rail is required. Its PFM control mode delivers excellent efficiency at light loads, extending battery life in always-on connected devices. The adjustable output mode also supports custom voltage rails in portable medical devices and wearable electronics.

What are the specifications of MCP1640C-I/MC?

Pbfree Code	Yes
Manufacturer Package Code	DFN-8
YTEOL	7
Additional Feature	ALSO OPERATES IN ADJUSTABLE MODE FROM 2V TO 5.5V; PFM CONTROL TECHNIQUE
Analog IC - Other Type	SWITCHING REGULATOR
Control Mode	CURRENT-MODE
Control Technique	PULSE WIDTH MODULATION
Input Voltage-Nom	1.2V
JESD-30 Code	R-PDSO-N8
JESD-609 Code	e3
Number of Functions	1
Output Voltage-Max	5.5V
Output Voltage-Min	2V
Output Voltage-Nom	3.3V
Package Body Material	PLASTIC/EPOXY
Package Equivalence Code	SOLCC8,.11,20
Package Shape	RECTANGULAR
Package Style	SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE
Peak Reflow Temperature (Cel)	260
Qualification Status	Not Qualified
Surface Mount	YES
Switcher Configuration	BOOST
Switching Frequency-Max	575kHz
Temperature Grade	INDUSTRIAL
Terminal Finish	Matte Tin (Sn)
Terminal Form	NO LEAD
Terminal Pitch	0.5mm
Terminal Position	DUAL
Time@Peak Reflow Temperature-Max (s)	40
Package	Small Outline No-lead

Compliance & Regulatory

RoHS Status	Compliant
Lead-Free	Yes (Pb-Free)
Moisture Sensitivity Level	MSL 1
ECCN	EAR99
HTS Code	8542.39.00.60
Country of Origin	Malaysia, Thailand

Where can I find the MCP1640C-I/MC datasheet?

MCP1640C-I/MC Datasheet Download

Official datasheet from Microchip

What are equivalent replacements for MCP1640C-I/MC?

Compatible alternatives and drop-in replacements for MCP1640C-I/MC:

MCP1640CT-I/CHY

Microchip Technology Inc PFM/PWM Enabled, Input to Output Bypass

View Part →

Compare all alternatives & request quotes →

Frequently Asked Questions

What is the minimum input voltage of the MCP1640C-I/MC?

The MCP1640C-I/MC operates from a nominal input voltage of 1.2 V, making it suitable for single-cell alkaline, NiMH, or lithium battery applications where input voltage can drop as low as 0.65 V during discharge.

What output voltage range does the MCP1640C-I/MC support?

The MCP1640C-I/MC supports an adjustable output voltage range from 2 V to 5.5 V, allowing designers to set custom regulated output rails using external resistors for a wide variety of portable applications.

What is the switching frequency and output current of the MCP1640C-I/MC?

The MCP1640C-I/MC operates at a 500 kHz switching frequency and can deliver up to 350 mA output current, enabling the use of small external inductors and capacitors to reduce total solution size.

What package does the MCP1640C-I/MC come in and is it RoHS compliant?

The MCP1640C-I/MC is available in an 8-pin DFN (2x3 mm) Small Outline No-lead package. It is fully RoHS compliant (Pb-free) as indicated by its JESD-609 e3 code, suitable for lead-free assembly processes.

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AvailabilityIn Stock

Reference Price (USD)

From $0.5900

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Qty.	Unit Price	Ext. Price
25+	$0.6800	$17.00
100+	$0.6100	$61.00
1000+	$0.5900	$590.00

pcs

Unit price: $0.6800 · Total: $17.00

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Lead Time3-7 business days

MOQFrom 1 piece

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OriginChina (Authorized)

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MCP1640C-I/MC Microchip Integrated Circuit (Small Outline No-lead) In Stock

What are the key features of MCP1640C-I/MC?

What is MCP1640C-I/MC used for?

What are the specifications of MCP1640C-I/MC?

Compliance & Regulatory

Where can I find the MCP1640C-I/MC datasheet?

What are equivalent replacements for MCP1640C-I/MC?

Frequently Asked Questions

What is the minimum input voltage of the MCP1640C-I/MC?

What output voltage range does the MCP1640C-I/MC support?

What is the switching frequency and output current of the MCP1640C-I/MC?

What package does the MCP1640C-I/MC come in and is it RoHS compliant?

Related Guides

CSD87313DMS Synchronous Buck Power Stage Design Guide

STEF05SGR eFuse Selection Guide for 5 V Overcurrent Protection

C0402C103K3RACTU Selection Guide: Choosing a 10 nF 0402 MLCC

STM32H753VIT6 MCU Selection Guide: Memory, Package, Connectivity, and Security

Why Buy from FindMyChip

About Microchip

More from Microchip

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