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                                                                                                    1. Home
                                                                                                    2. Semiconductors - ICs
                                                                                                    3. Power Management ICs - PMIC
                                                                                                    4. Voltage Regulators
                                                                                                    5. LDO Voltage Regulators
                                                                                                    Print Page

                                                                                                    MCP1703AT-5002E/CB

                                                                                                    Fixed LDO Voltage Regulator, 2.7V to 16V, 330mV Dropout, 5Vout, 250mAout, SOT-23A-3

                                                                                                    MICROCHIP
                                                                                                    Image is for illustrative purposes only. Please refer to product description.
                                                                                                    MICROCHIP MCP1703AT-5002E/CB
                                                                                                    ManufacturerMICROCHIP
                                                                                                    Manufacturer Part NoMCP1703AT-5002E/CB
                                                                                                    Order Code2218576RL
                                                                                                    Product Range5V 250mA LDO Voltage Regulators
                                                                                                    Technical Datasheet

                                                                                                    Data Sheet

                                                                                                    See all Technical Docs
                                                                                                    Packaging Options
                                                                                                    6,356 In Stock

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                                                                                                    2994 Delivery in 1-2 Business Days(SG stock)
                                                                                                    3362 Delivery in 3-4 Business Days(UK stock)
                                                                                                    QuantityPrice
                                                                                                    100+HK$4.610
                                                                                                    3000+HK$4.520
                                                                                                    Price for:Each (Supplied on Cut Tape)
                                                                                                    Minimum: 100
                                                                                                    Multiple: 1
                                                                                                    HK$461.00
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                                                                                                    Product Information

                                                                                                    MICROCHIP
                                                                                                    ManufacturerMICROCHIP
                                                                                                    Manufacturer Part NoMCP1703AT-5002E/CB
                                                                                                    Order Code2218576RL
                                                                                                    Product Range5V 250mA LDO Voltage Regulators
                                                                                                    Technical Datasheet

                                                                                                    Data Sheet

                                                                                                    Output TypeFixed
                                                                                                    Input Voltage Min2.7V
                                                                                                    Input Voltage Max16V
                                                                                                    No. of Outputs1Outputs
                                                                                                    Fixed Output Voltage Nom5V
                                                                                                    Adjustable Output Voltage Min-
                                                                                                    Output Voltage Nom5V
                                                                                                    Output Voltage - Nom5V
                                                                                                    Output Voltage Min-
                                                                                                    Adjustable Output Voltage Max-
                                                                                                    Output Voltage Max-
                                                                                                    Output Current250mA
                                                                                                    PolarityPositive Output
                                                                                                    Dropout Voltage Vdo330mV
                                                                                                    Max Output Current250mA
                                                                                                    LDO Regulator Case StyleSOT-23A
                                                                                                    Output Current Max250mA
                                                                                                    Dropout Voltage - Typ @ Current330mV
                                                                                                    Dropout Voltage Typ @ Current330mV
                                                                                                    IC MountingSurface Mount
                                                                                                    IC Case / PackageSOT-23A
                                                                                                    No. of Pins3Pins
                                                                                                    Operating Temperature Min-40°C
                                                                                                    Operating Temperature Max125°C
                                                                                                    Product Range5V 250mA LDO Voltage Regulators
                                                                                                    Automotive Qualification StandardAEC-Q100
                                                                                                    MSL-
                                                                                                    SVHCNo SVHC (25-Jun-2025)

                                                                                                    Product Overview

                                                                                                    The MCP1703AT-5002E/CB is a 5V fixed output low-dropout (LDO) Linear Regulator can deliver up to 250mA of current while consuming only 2µA of quiescent current (typical). The input operating range is specified from 2.7 to 16V, making it an ideal choice for two to six primary cell battery powered applications, 9V alkaline and one or two-cell Li-Ion-powered applications. The output voltage tolerance of the device is typically ±0.4% at +25°C and ±3% maximum over the operating junction temperature range of -40 to +125°C. Line regulation is ±0.1% typical at +25°C. The LDO output is stable when using only 1µF of output capacitance. Ceramic, tantalum or aluminium electrolytic capacitors can all be used for input and output. Overcurrent limit and overtemperature shutdown provide a robust solution for any application.

                                                                                                    • Reduced ground current during dropout
                                                                                                    • Faster startup time
                                                                                                    • 0.4% Output voltage tolerance (typical)
                                                                                                    • Stable with 1µF to 22µF ceramic output capacitance
                                                                                                    • Short-circuit protection
                                                                                                    • Overtemperature protection

                                                                                                    Applications

                                                                                                    Automotive, Consumer Electronics, Security, Industrial, Power Management

                                                                                                    Technical Specifications

                                                                                                    Output Type

                                                                                                    Fixed

                                                                                                    Input Voltage Max

                                                                                                    16V

                                                                                                    Fixed Output Voltage Nom

                                                                                                    5V

                                                                                                    Output Voltage Nom

                                                                                                    5V

                                                                                                    Output Voltage Min

                                                                                                    -

                                                                                                    Output Voltage Max

                                                                                                    -

                                                                                                    Polarity

                                                                                                    Positive Output

                                                                                                    Max Output Current

                                                                                                    250mA

                                                                                                    Output Current Max

                                                                                                    250mA

                                                                                                    Dropout Voltage Typ @ Current

                                                                                                    330mV

                                                                                                    IC Case / Package

                                                                                                    SOT-23A

                                                                                                    Operating Temperature Min

                                                                                                    -40°C

                                                                                                    Product Range

                                                                                                    5V 250mA LDO Voltage Regulators

                                                                                                    MSL

                                                                                                    -

                                                                                                    Input Voltage Min

                                                                                                    2.7V

                                                                                                    No. of Outputs

                                                                                                    1Outputs

                                                                                                    Adjustable Output Voltage Min

                                                                                                    -

                                                                                                    Output Voltage - Nom

                                                                                                    5V

                                                                                                    Adjustable Output Voltage Max

                                                                                                    -

                                                                                                    Output Current

                                                                                                    250mA

                                                                                                    Dropout Voltage Vdo

                                                                                                    330mV

                                                                                                    LDO Regulator Case Style

                                                                                                    SOT-23A

                                                                                                    Dropout Voltage - Typ @ Current

                                                                                                    330mV

                                                                                                    IC Mounting

                                                                                                    Surface Mount

                                                                                                    No. of Pins

                                                                                                    3Pins

                                                                                                    Operating Temperature Max

                                                                                                    125°C

                                                                                                    Automotive Qualification Standard

                                                                                                    AEC-Q100

                                                                                                    SVHC

                                                                                                    No SVHC (25-Jun-2025)

                                                                                                    Technical Docs (3)

                                                                                                    Technical Data Sheet EN

                                                                                                    Product Change Notice EN

                                                                                                    CAD CadSoft_EAGLE EN

                                                                                                    Legislation and Environmental

                                                                                                    Country of Origin:
                                                                                                    Country in which last significant manufacturing process was carried outCountry of Origin:
                                                                                                    United States
                                                                                                    Country in which last significant manufacturing process was carried out
                                                                                                    Tariff No:85423990
                                                                                                    US ECCN:EAR99
                                                                                                    EU ECCN:NLR
                                                                                                    RoHS Compliant:Yes

                                                                                                    RoHS

                                                                                                    RoHS Phthalates Compliant:Yes

                                                                                                    RoHS

                                                                                                    SVHC:No SVHC (25-Jun-2025)
                                                                                                    Download Product Compliance Certificate

                                                                                                    Product Compliance Certificate

                                                                                                    Weight (kg):.000002
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