MCP1703AT-3302E/DB

Name: MCP1703AT-3302E/DB
Rating: 4.5 (10 reviews)

LDO Voltage Regulators LOW Iq, High Vin LDO

6,264 Effective Inventory

MCP1703AT-3302E/DB

Effective Inventory6,264

LDO Voltage Regulators LOW Iq, High Vin LDO

Manufacturer Part # : MCP1703AT-3302E/DB
Package/Case: SOT223-3
Part Status : ACTIVE
Brand: Microchip Technology
Product Categories : Voltage Regulators - Linear, Low Drop Out (LDO) Regulators

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MCP1703AT-3302E/DB DataSheet

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Details

The MCP1703AT-3302E/DB is a highly efficient CMOS voltage regulator designed to provide a stable output voltage with a maximum current of 250 mA. Its low dropout feature allows it to operate with input voltages up to 16V, making it suitable for a wide range of applications. With a remarkably low current consumption of only 2 µA, this regulator is perfect for use in battery-powered devices such as those powered by alkaline or lithium-ion batteries. The MCP1703A is available in compact SOT23A and SOT89 packages, as well as in thermally enhanced 3-pin SOT223 and 8-pin 2x3 DFN configurations

Key Features

Advanced Noise Reduction Techniques
Precise Frequency Response
High Stability Operation
Safe Operating Temperature Range

Specifications

The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

Product Type !	Single LDOs	# of Out	1
IOUT #1	250	Rated IOUT	250
VIN Min (V)	2.7	VIN Max (V)	16
VOUT (V)	1.2, 1.5, 1.8, 2.5, 2.8, 3.0, 3.3, 4.0, 5.0	Voltage Drop Typ (mV)	625
IGND Typ (µA)	2	Tol Typ %	±0.4
PSRR 1 kHz (dB)	35

Specification Comparison

MCP1703AT-3302E/DB vs MCP1703-3302E/DB vs MCP1703T-3302E/DB MCP1703A-3302E/DB vs MCP1703AT-3302E/DB vs MCP1703AT-5002E/MB

Datasheet PDF

Datasheets record the features, absolute maximum ratings, applications and more of the device, which benefit a lot as an overall guide to the specific application of the part.

Preliminary Specification MCP1703AT-3302E/DB PDF Download

FAQs

What is MCP1703AT-3302E/DB?

The MCP1703AT-3302E/DB is a low dropout (LDO) voltage regulator manufactured by Microchip Technology. It is designed to provide a regulated output voltage with minimal dropout voltage, making it suitable for applications requiring a stable power supply despite varying input voltages.

How Does MCP1703AT-3302E/DB Work?

The MCP1703AT-3302E/DB operates by regulating the input voltage to a constant output voltage with minimal dropout. It uses a PNP pass transistor to achieve low dropout performance and provides a stable output even when the input voltage is close to the output voltage. The regulator is designed to be stable with a low equivalent series resistance (ESR) output capacitor, contributing to its compact design and high performance.

How Many Pins does MCP1703AT-3302E/DB have and What are the Functions of the Pinout Configuration?

The MCP1703AT-3302E/DB is available in various package options, such as SOT-23 and TO-220. The SOT-23 package has 3 pins, including:

VIN: Input voltage pin.
VOUT: Regulated output voltage pin.
GND: Ground pin.

The TO-220 package has 5 pins, including additional thermal and enable pins for specific features.

What are the Pros and Cons of MCP1703AT-3302E/DB?

Pros:

Low Dropout Voltage: Provides a stable output even with small differences between input and output voltages.
Low Ground Current: Ensures minimal power consumption in standby or low-load conditions.
Thermal Shutdown: Includes thermal shutdown protection for safe operation under high-temperature conditions.
Short Circuit Current Foldback: Offers short circuit protection and current limiting for robust system protection.

Cons:

Heat Dissipation: In TO-220 packages, heat dissipation considerations may be necessary for high power applications.
External Components: May require specific input and output capacitors for stability and noise reduction.
Complexity: Design considerations for stability and thermal management may be required in certain applications.

Are There Any Equivalents/Alternatives to MCP1703AT-3302E/DB for Recommendation?

Alternatives to the MCP1703AT-3302E/DB include the LM2937 from Texas Instruments and the XC6206 from Torex Semiconductor as low dropout voltage regulator options.

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