MCP1824ST-1202E/DB Microchip Integrated Circuit (SOT223 (3-Pin)) In Stock
The MCP1824ST-1202E/DB is a fixed 1.2 V LDO linear voltage regulator from Microchip capable of sourcing up to 300 mA with a typical 200 mV dropout voltage. It operates from a 2.1 V to 6 V input range in a SOT-223-3 package. Competitively priced and available in stock with worldwide shipping.
- Manufacturer
- Microchip
- Package
- SOT223 (3-Pin)
- Pin Count
- 3
- Lifecycle
- ACTIVE
- Datasheet
- MCP1824ST-1202E/DB Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.2383(MOQ 1)
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Fixed 1.2 V output with ±0.5% initial accuracy
- 300 mA maximum output current
- Low dropout voltage: 200 mV typical at 300 mA load
- Wide input voltage range: 2.1 V to 6 V (absolute max 6.5 V)
- SOT-223-3 package with thermal pad for heat spreading
- RoHS-compliant, lead-free construction
Applications
The MCP1824ST-1202E/DB is well suited for providing a stable 1.2 V core supply rail to FPGAs, DSPs, and advanced microcontrollers that require a lower core voltage separate from their I/O rails. It is also used in DDR memory power supplies, low-voltage reference generation, and portable medical or industrial instruments where compact LDO regulators are preferred over switching converters to avoid EMI.
Specifications
| Pbfree Code | Yes |
| Manufacturer Package Code | SOT-223-3 |
| Factory Lead Time | 18Weeks |
| YTEOL | 9 |
| Adjustability | FIXED |
| Dropout Voltage1-Max | 0.32V |
| Dropout Voltage1-Nom | 0.2V |
| Input Voltage Absolute-Max | 6.5V |
| Input Voltage-Max | 6V |
| Input Voltage-Min | 2.1V |
| JESD-30 Code | R-PDSO-G3 |
| JESD-609 Code | e3 |
| Line Regulation-Max | 0.007956% |
| Load Regulation-Max | 0.012% |
| Number of Functions | 1 |
| Number of Outputs | 1 |
| Operating Temperature TJ-Max | 125°C |
| Operating Temperature TJ-Min | -40 °C |
| Output Current1-Max | 0.3A |
| Output Voltage1-Max | 1.23V |
| Output Voltage1-Min | 1.17V |
| Output Voltage1-Nom | 1.2V |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SOT-223 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| Packing Method | TR |
| Peak Reflow Temperature (Cel) | 260 |
| 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 |
| Time@Peak Reflow Temperature-Max (s) | 40 |
| Voltage Tolerance-Max | 2.5% |
| Package | SOT223 (3-Pin) |
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
Compatible alternatives and drop-in replacements for MCP1824ST-1202E/DB:
Fixed Positive LDO Regulator, 1.2V, 0.32V Dropout, CMOS, PDSO5
Frequently Asked Questions
What is the minimum input voltage MCP1824ST-1202E/DB needs to regulate 1.2 V at full 300 mA load?
With a typical dropout of 200 mV at 300 mA, the MCP1824ST-1202E/DB requires a minimum input of approximately 1.4 V to maintain regulation. The datasheet specifies 2.1 V as the minimum rated input to guarantee regulation with margin across temperature extremes from -40°C to +125°C.
Which core-voltage rails in FPGA and DSP designs can MCP1824ST-1202E/DB supply?
The fixed 1.2 V output directly matches the core supply requirement of many low-power FPGAs and DSPs, including devices in the 65 nm and 40 nm process nodes that specify 1.0 V to 1.2 V core rails at currents up to 300 mA. This eliminates the need for an adjustable LDO and external feedback resistors in those designs.
How does the SOT-223-3 package help manage thermal dissipation in MCP1824ST-1202E/DB?
The SOT-223-3 package exposes a large metal tab on the bottom that can be soldered directly to a PCB copper pour, providing a thermal path with a junction-to-board resistance significantly lower than standard SOT-23-5 or TO-92 packages. This allows the device to dissipate sufficient power at 300 mA even with a 3 V to 4 V input-output differential without a heatsink.
Is MCP1824ST-1202E/DB a suitable drop-in replacement for other 1.2 V LDOs in RoHS-compliant designs?
Yes. The MCP1824ST-1202E/DB is RoHS compliant and uses a lead-free SOT-223-3 footprint that is pin-compatible with many industry-standard 3-terminal LDO packages. Designers evaluating a drop-in replacement should verify the 200 mV dropout voltage, 300 mA current limit, and 2.1 V minimum input against the incumbent part's specifications before substituting.
Related Guides
CL31A107MQHNNNE 1206 100 uF MLCC Selection Guide
How to choose CL31A107MQHNNNE and related 1206 MLCCs for low-voltage bulk capacitance and regulator stability.
Jul 2, 2026
CL05B103KB5NNNC 0402 10 nF X7R MLCC Selection Guide
How to choose CL05B103KB5NNNC and related 0402 MLCCs for bypassing, filtering, voltage derating, and sourcing.
Jul 2, 2026
ADAQ7768-1 Design Guide for Precision Vibration and Dynamic Signal Measurement
Design ADAQ7768-1 precision data acquisition channels for vibration and dynamic sensing with the right bandwidth, reference, clock, and layout choices.
Jun 30, 2026
AD5204BRZ10 Design Guide for SPI-Controlled Gain and Offset Calibration
Design AD5204BRZ10 digital potentiometer calibration loops with bounded trim span, safe wiper current, clean SPI routing, and reliable startup codes.
Jun 30, 2026
Why Buy from FindMyChip
About Microchip
Microchip is a leading electronic component manufacturer. FindMyChip sources Microchip ICs directly from authorized China distributors, offering competitive pricing and reliable stock.
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $0.6400 | $0.64 |
| 25+ | $0.5400 | $13.50 |
| 100+ | $0.4900 | $49.00 |
| 250+ | $0.4025 | $100.63 |
| 500+ | $0.2423 | $121.15 |
| 1000+ | $0.2383 | $238.30 |
In Stock · 24h Response · Worldwide Shipping
Response within 24 hours · Worldwide shipping
“We've been using FindMyChip for 2 years. Pricing is consistently 20-30% below Mouser/DigiKey for volume orders.”