MCP1703A-3302E/DB Microchip Integrated Circuit (SOT223 (3-Pin)) In Stock

Name: MCP1703A-3302E/DB
Brand: Microchip
SKU: MCP1703A-3302E/DB
Availability: InStock

Microchip MCP1703A-3302E/DB is a fixed 3.3V LDO voltage regulator with ultra-low quiescent current and high input voltage up to 16V. Supports input voltage range from 4.091V to 16V with maximum dropout of 0.725V. Available in SOT-223 package, in stock worldwide with competitive pricing.

ACTIVEIntegrated CircuitVerified Jun 2026

Package / Visual Reference

MCP1703A-3302E/DBSOT223 (3-Pin)

Quick Facts

Manufacturer: Microchip
Package: SOT223 (3-Pin)
Pin Count: 3
Lifecycle: ACTIVE
Datasheet: MCP1703A-3302E/DB Datasheet PDF
Category: Integrated Circuit
Price: From $0.5600(MOQ 1)
RoHS: Compliant
Lead Time: 3–7 business days
Shipping: DHL Express · Worldwide

What are the key features of MCP1703A-3302E/DB?

Ultra-low quiescent current for extended battery life in portable applications
High input voltage support up to 16V with fixed 3.3V output regulation
Compact SOT-223-3 package with maximum dropout voltage of 0.725V at full load

What is MCP1703A-3302E/DB used for?

The MCP1703A-3302E/DB is ideal for battery-powered portable devices requiring stable 3.3V regulation from higher voltage sources. It suits applications such as IoT sensors, handheld instruments, and embedded systems where low quiescent current is critical for extending battery life. Its wide input voltage range makes it versatile for automotive and industrial power supply designs.

What are the specifications of MCP1703A-3302E/DB?

Manufacturer Package Code	SOT-223-3
Factory Lead Time	7Weeks
YTEOL	13
Adjustability	FIXED
Dropout Voltage1-Max	0.725V
Dropout Voltage1-Nom	0.525V
Input Voltage Absolute-Max	18V
Input Voltage-Max	16V
Input Voltage-Min	4.091V
JESD-30 Code	R-PDSO-G3
JESD-609 Code	e3
Line Regulation-Max	0.1178991%
Load Regulation-Max	0.0825%
Number of Functions	1
Number of Outputs	1
Operating Temperature TJ-Max	125°C
Operating Temperature TJ-Min	-40 °C
Output Current1-Max	0.25A
Output Voltage1-Max	3.366V
Output Voltage1-Min	3.234V
Output Voltage1-Nom	3.3V
Package Body Material	PLASTIC/EPOXY
Package Equivalence Code	SOT-223
Package Shape	RECTANGULAR
Package Style	SMALL OUTLINE
Packing Method	TUBE
Peak Reflow Temperature (Cel)	260
Regulator Type	FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR
Screening Level	TS 16949
Surface Mount	YES
Technology	CMOS
Terminal Finish	Matte Tin (Sn)
Terminal Form	GULL WING
Terminal Pitch	2.3mm
Terminal Position	DUAL
Time@Peak Reflow Temperature-Max (s)	40
Voltage Tolerance-Max	2%
Package	SOT223 (3-Pin)

Compliance & Regulatory

RoHS Status	Compliant
Lead-Free	Yes (Pb-Free)
Moisture Sensitivity Level	MSL 3
ECCN	EAR99
HTS Code	8542.39.00.01
Country of Origin	Taiwan, Thailand

Where can I find the MCP1703A-3302E/DB datasheet?

MCP1703A-3302E/DB Datasheet Download

Official datasheet from Microchip

What are equivalent replacements for MCP1703A-3302E/DB?

Compatible alternatives and drop-in replacements for MCP1703A-3302E/DB:

MCP1703-3302E/DB

Microchip Technology Inc LOW LQ 250MA LDO, VIN 16V MAX, VOUT=3.3V

View Part →

MCP1703AT-3302E/DB

Microchip Technology Inc LOWIQ 250MA LDO, VIN 16V MAX, VOUT=3.3V

View Part →

Compare all alternatives & request quotes →

Frequently Asked Questions

What is the input voltage range of the MCP1703A-3302E/DB?

The MCP1703A-3302E/DB supports an input voltage range from 4.091V minimum to 16V maximum, with an absolute maximum rating of 18V, making it suitable for a wide range of power supply applications.

What is the dropout voltage of the MCP1703A-3302E/DB?

The MCP1703A-3302E/DB has a nominal dropout voltage of 0.525V and a maximum dropout voltage of 0.725V, ensuring reliable 3.3V output regulation even when input voltage is close to the output level.

What package type is the MCP1703A-3302E/DB available in?

The MCP1703A-3302E/DB comes in a SOT-223-3 package (3-pin), which provides excellent thermal performance and is well-suited for surface mount applications requiring compact footprint.

Is the MCP1703A-3302E/DB suitable for battery-powered designs?

Yes, the MCP1703A-3302E/DB features ultra-low quiescent current (Iq), making it an excellent choice for battery-powered designs such as IoT devices, wearables, and portable instrumentation where minimizing standby power consumption is essential.

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Reference Price (USD)

From $0.5600

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Qty.	Unit Price	Ext. Price
1+	$0.8400	$0.84
3+	$0.6200	$1.86
546+	$0.6176	$337.21
1000+	$0.5900	$590.00
5000+	$0.5600	$2800.00

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Unit price: $0.8400 · Total: $0.84

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Lead Time3-7 business days

MOQFrom 1 piece

ShippingDHL / FedEx / UPS

OriginChina (Authorized)

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MCP1703A-3302E/DB Microchip Integrated Circuit (SOT223 (3-Pin)) In Stock

What are the key features of MCP1703A-3302E/DB?

What is MCP1703A-3302E/DB used for?

What are the specifications of MCP1703A-3302E/DB?

Compliance & Regulatory

Where can I find the MCP1703A-3302E/DB datasheet?

What are equivalent replacements for MCP1703A-3302E/DB?

Frequently Asked Questions

What is the input voltage range of the MCP1703A-3302E/DB?

What is the dropout voltage of the MCP1703A-3302E/DB?

What package type is the MCP1703A-3302E/DB available in?

Is the MCP1703A-3302E/DB suitable for battery-powered designs?

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

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