MCP1703A-1502E/DB Microchip Integrated Circuit (Other) In Stock
Microchip MCP1703A-1502E/DB is a fixed 1.5 V output LDO voltage regulator accepting input voltages from 2.7 V to 16 V with a 1.2 V typical dropout voltage. In a SOT-223-3 package, it provides low quiescent current regulation suitable for battery-powered and industrial step-down power supply designs.
- Manufacturer
- Microchip
- Package
- Other
- Pin Count
- 3
- Lifecycle
- ACTIVE
- Datasheet
- MCP1703A-1502E/DB Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.5600(MOQ 1)
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Fixed 1.5 V output LDO with input voltage range of 2.7 V to 16 V
- Low 1.2 V dropout voltage enabling efficient regulation from higher input rails
- Low quiescent current design for extended battery life in portable applications
- Excellent line regulation of 0.06% max for stable output under varying input conditions
- SOT-223-3 package with exposed pad for improved thermal dissipation
Applications
The MCP1703A-1502E/DB is used in battery-powered devices, sensor nodes, and portable instruments requiring a stable 1.5 V regulated supply from higher input rails up to 16 V. Its wide input range makes it suitable for automotive accessory circuits, industrial 12 V buses, and energy harvesting systems that step down to 1.5 V logic or sensor bias levels. The SOT-223 package provides adequate thermal performance for low-to-moderate load current applications.
Specifications
| Manufacturer Package Code | SOT-223-3 |
| YTEOL | 13 |
| Adjustability | FIXED |
| Dropout Voltage1-Nom | 1.2V |
| Input Voltage Absolute-Max | 18V |
| Input Voltage-Max | 16V |
| Input Voltage-Min | 2.7V |
| JESD-30 Code | R-PDSO-G4 |
| JESD-609 Code | e3 |
| Line Regulation-Max | 0.05985% |
| Load Regulation-Max | 0.0375% |
| Number of Functions | 1 |
| Number of Outputs | 1 |
| Operating Temperature TJ-Max | 125°C |
| Operating Temperature TJ-Min | -40 °C |
| Output Current1-Max | 0.2A |
| Output Voltage1-Max | 1.53V |
| Output Voltage1-Min | 1.47V |
| Output Voltage1-Nom | 1.5V |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SOT-223 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE, HEAT SINK/SLUG |
| 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 | Other |
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 |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What is the input voltage range and dropout voltage for MCP1703A-1502E/DB?
The MCP1703A-1502E/DB operates with input voltages from 2.7 V to 16 V and has a typical dropout voltage of 1.2 V. This wide input range allows it to regulate a stable 1.5 V output from automotive 12 V rails, 9 V batteries, or 5 V supplies without external switching components.
Can MCP1703A-1502E/DB be used directly on a 12 V automotive rail to power a 1.5 V sensor circuit?
Yes. With an input voltage rating up to 16 V (absolute max 18 V) and a fixed 1.5 V output, the MCP1703A-1502E/DB can step down a 12 V automotive rail directly to 1.5 V. The SOT-223-3 package provides sufficient thermal headroom for typical automotive sensor supply currents, making it a simple single-component power solution.
How does MCP1703A-1502E/DB's line regulation performance benefit precision analog sensor designs?
The MCP1703A-1502E/DB achieves a maximum line regulation of 0.06%, meaning the 1.5 V output varies by less than 1 mV per volt of input change. This tight regulation is critical for precision analog sensors and ADC reference circuits where supply noise directly impacts measurement accuracy, making this LDO well suited for 12 V to 1.5 V conversion in industrial sensing designs.
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