MCP1703-2802E/DB Microchip Integrated Circuit (SOT223 (3-Pin)) In Stock
The MCP1703-2802E/DB is a fixed-output low-dropout linear voltage regulator from Microchip with a 2.8 V output and up to 16 V input voltage. It features a maximum dropout voltage of 0.975 V and supports input voltages from 3.831 V to 16 V in a SOT-223-3 package. Available from stock worldwide with competitive pricing.
- Manufacturer
- Microchip
- Package
- SOT223 (3-Pin)
- Pin Count
- 3
- Lifecycle
- ACTIVE
- Datasheet
- MCP1703-2802E/DB Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.1700(MOQ 1)
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of MCP1703-2802E/DB?
- Fixed 2.8 V output low-dropout (LDO) regulator with maximum dropout voltage of 0.975 V and nominal dropout of 0.625 V, ensuring stable regulation with minimal headroom
- Wide input voltage range of 3.831 V to 16 V (absolute max 18 V) supports diverse supply rail sources in industrial, consumer, and automotive designs
- Compact 3-pin SOT-223 package with Pb-free RoHS-compliant construction enables efficient thermal dissipation and easy integration in space-constrained power supply designs
What is MCP1703-2802E/DB used for?
The MCP1703-2802E/DB is ideal for post-regulation in embedded systems, microcontrollers, and sensor modules that require a stable 2.8 V supply derived from higher-voltage sources up to 16 V. It is also used in battery-powered portable devices and IoT applications where low dropout voltage is critical for maximizing battery utilization. Its wide input range makes it suitable for automotive and industrial systems with variable or unregulated input power sources.
What are the specifications of MCP1703-2802E/DB?
| Pbfree Code | Yes |
| Manufacturer Package Code | SOT-223-3 |
| YTEOL | 8 |
| Adjustability | FIXED |
| Dropout Voltage1-Max | 0.975V |
| Dropout Voltage1-Nom | 0.625V |
| Input Voltage Absolute-Max | 18V |
| Input Voltage-Max | 16V |
| Input Voltage-Min | 3.831V |
| JESD-30 Code | R-PDSO-G3 |
| JESD-609 Code | e3 |
| Line Regulation-Max | 0.1022196% |
| Load Regulation-Max | 0.07% |
| 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 | 2.856V |
| Output Voltage1-Min | 2.744V |
| Output Voltage1-Nom | 2.8V |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SOT-223 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| Packing Method | TUBE |
| Qualification Status | Not Qualified |
| 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 |
| Voltage Tolerance-Max | 2% |
| Package | SOT223 (3-Pin) |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.01 |
| Country of Origin | Thailand |
Where can I find the MCP1703-2802E/DB datasheet?
MCP1703-2802E/DB Datasheet DownloadOfficial datasheet from Microchip
What are equivalent replacements for MCP1703-2802E/DB?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What is the output voltage of the MCP1703-2802E/DB?
The MCP1703-2802E/DB provides a fixed output voltage of 2.8 V, making it suitable for powering low-voltage microcontrollers, wireless modules, and sensors that require a stable 2.8 V regulated supply.
What is the dropout voltage of the MCP1703-2802E/DB?
The MCP1703-2802E/DB has a nominal dropout voltage of 0.625 V and a maximum dropout voltage of 0.975 V. This low dropout characteristic ensures the regulator maintains its 2.8 V output even when the input voltage drops close to the output level, maximizing efficiency in battery-powered designs.
What is the input voltage range for the MCP1703-2802E/DB?
The MCP1703-2802E/DB accepts input voltages from a minimum of 3.831 V up to a maximum of 16 V, with an absolute maximum rating of 18 V. This wide input range allows it to regulate from wall adapters, Li-ion batteries, and other common power sources across consumer, industrial, and automotive applications.
What package does the MCP1703-2802E/DB come in?
The MCP1703-2802E/DB is housed in a 3-pin SOT-223 package (JESD-30 code R-PDSO-G3). The SOT-223 package includes a large tab for improved thermal dissipation, making it suitable for applications where moderate heat management is required on the PCB.
Is the MCP1703-2802E/DB suitable for automotive applications?
Yes, the MCP1703-2802E/DB is suitable for automotive and industrial applications due to its wide input voltage range of up to 16 V and tolerance for transients up to 18 V absolute maximum. Its fixed 2.8 V output, Pb-free construction, and robust SOT-223 package support reliable operation in harsh environments.
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| 1+ | $0.1700 | $0.17 |
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