MCP1703T-5002E/MC Microchip Integrated Circuit (Small Outline No-lead) In Stock
The Microchip MCP1703T-5002E/MC is a low-dropout linear voltage regulator delivering 250 mA output from input supplies up to 16 V with a typical dropout of 0.33 V in a compact DFN-8 package. It features fixed output voltage, low quiescent current, and high input voltage capability for wide supply range applications. Designed for industrial sensors, automotive accessories, and portable instruments requiring stable regulation from unregulated or battery-backed rails.
- Manufacturer
- Microchip
- Package
- Small Outline No-lead
- Pin Count
- 8
- Lifecycle
- ACTIVE
- Datasheet
- MCP1703T-5002E/MC Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.3816(MOQ 1)
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 250 mA output current with 0.33 V typical dropout voltage
- Input voltage range from 5.65 V up to 16 V maximum
- Fixed output configuration with low quiescent current for efficiency
- DFN-8 package with small no-lead footprint for space-constrained boards
- Absolute maximum input rating of 18 V for transient protection headroom
- Pb-free RoHS-compliant construction for environmentally sensitive applications
Applications
The MCP1703T-5002E/MC is used in industrial sensor power rails, automotive accessory controllers, and test equipment where the input bus voltage can range up to 16 V and a stable regulated output is needed from a low-dropout LDO. Its compact DFN-8 footprint makes it a practical choice for smart actuator modules, LED driver supply rails, and embedded IoT nodes that require wide-input regulation without significant thermal dissipation at moderate loads up to 250 mA.
Specifications
| Pbfree Code | Yes |
| Manufacturer Package Code | DFN-8 |
| Factory Lead Time | 7Weeks |
| YTEOL | 10 |
| Adjustability | FIXED |
| Dropout Voltage1-Max | 0.65V |
| Dropout Voltage1-Nom | 0.33V |
| Input Voltage Absolute-Max | 18V |
| Input Voltage-Max | 16V |
| Input Voltage-Min | 5.65V |
| JESD-30 Code | R-PDSO-N8 |
| JESD-609 Code | e3 |
| Line Regulation-Max | 0.15525% |
| Load Regulation-Max | 0.125% |
| 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 | 5.1V |
| Output Voltage1-Min | 4.9V |
| Output Voltage1-Nom | 5V |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SOLCC8,.12,20 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE |
| Packing Method | TR |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| Regulator Type | FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR |
| Surface Mount | YES |
| Technology | CMOS |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | NO LEAD |
| Terminal Pitch | 0.5mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 40 |
| Voltage Tolerance-Max | 2% |
| 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 | Thailand |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What dropout voltage should designers expect from MCP1703T-5002E/MC at full 250 mA load?
At full 250 mA output current, the MCP1703T-5002E/MC exhibits a typical dropout voltage of 0.33 V, with a specified maximum of 0.65 V. This low dropout means the regulator maintains its output regulation even when the input supply is only about 330 mV to 650 mV above the output, which is advantageous in battery-powered or poorly regulated bus supply designs.
Why is the 16 V maximum input rating of MCP1703T-5002E/MC useful for 12 V automotive accessory or industrial bus supply designs?
A 12 V automotive or industrial bus can exhibit transient surges and load-dump spikes that temporarily exceed 12 V by several volts. The MCP1703T-5002E/MC supports continuous input up to 16 V with an 18 V absolute maximum, providing substantial headroom to handle these common bus voltage excursions without stressing or damaging the regulator, which simplifies input filtering requirements.
How does the DFN-8 no-lead package of MCP1703T-5002E/MC affect thermal management for sustained 250 mA operation?
The DFN-8 package of the MCP1703T-5002E/MC exposes a thermal pad on its bottom surface, enabling heat conduction directly to the PCB copper pour for improved thermal dissipation. Designers running continuous 250 mA output should calculate the power dissipation as (Vin - Vout) × 250 mA and verify the PCB copper area keeps the junction temperature below the rated maximum, typically 125°C, under worst-case ambient conditions.
What sourcing lead time and lifecycle expectancy apply to MCP1703T-5002E/MC for production design-ins?
The MCP1703T-5002E/MC has a factory lead time of approximately 7 weeks and a YTEOL indicator of 10 years, indicating an active lifecycle suitable for medium-to-long production commitments. Procurement teams can plan multi-quarter order schedules through authorized Microchip distributors, and the Pb-free, RoHS-compliant construction meets environmental requirements for global market access.
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