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
What are the key features of MCP1824ST-1202E/DB?
- 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
What is MCP1824ST-1202E/DB used for?
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.
What are the specifications of MCP1824ST-1202E/DB?
| 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 |
Where can I find the MCP1824ST-1202E/DB datasheet?
MCP1824ST-1202E/DB Datasheet DownloadOfficial datasheet from Microchip
What are equivalent replacements for MCP1824ST-1202E/DB?
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
CSD87313DMS Synchronous Buck Power Stage Design Guide
Design a compact CSD87313DMS synchronous buck stage with practical guidance for loss, gate drive, PCB layout, EMI, thermal validation, and sourcing.
Aug 6, 2026
STEF05SGR eFuse Selection Guide for 5 V Overcurrent Protection
Choose STEF05SGR for 5 V overcurrent protection by checking current-limit margin, inrush, thermal loss, fault response, and sourcing.
Aug 6, 2026
C0402C103K3RACTU Selection Guide: Choosing a 10 nF 0402 MLCC
Select C0402C103K3RACTU by voltage margin, X7R behavior, tolerance, 0402 assembly risk, and qualified alternatives.
Aug 4, 2026
STM32H753VIT6 MCU Selection Guide: Memory, Package, Connectivity, and Security
Choose STM32H753VIT6 by evaluating memory architecture, LQFP-100 pin fit, connectivity, security, power, and sourcing tradeoffs.
Aug 4, 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.
More from Microchip
| 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.”
You May Also Like
ACS770ECB-200U-PFF-T
Allegro Microsystems
Integrated Circuit
ACS770KCB-150U-PFF-T
Allegro Microsystems
Integrated Circuit
MC33901WEF
NXP
Integrated Circuit
MC7808BDTRKG
ON Semiconductor
Integrated Circuit
PA94EC
Apex Microtechnology
Integrated Circuit
AP7315-28SR-7
Diodes Inc.
Integrated Circuit
74HCT245D
Nexperia
Integrated Circuit
CY62256VNLL-70ZXCT
Cypress Semiconductor
Integrated Circuit
EPM7032AETC44-4N
Intel
Integrated Circuit
EPM3512AQC208-10N
Intel
Integrated Circuit
EPM3256ATC144-7N
Intel
Integrated Circuit
EPM3256AQC208-7N
Intel
Integrated Circuit
EPM3256AQC208-10N
Intel
Integrated Circuit
EPM3128ATC100-7N
Intel
Integrated Circuit
EPM1270F256C4N
Intel
Integrated Circuit
EPF8282ATC100-4N
Intel
Integrated Circuit
EPF6016QC208-2N
Intel
Integrated Circuit
EPF6016ATC144-3N
Intel
Integrated Circuit
EPF10K30ATC144-3N
Intel
Integrated Circuit
EPC2TI32N
Intel
Integrated Circuit
EPC2LC20
Intel
Integrated Circuit
EP3SL150F1152C4N
Intel
Integrated Circuit
EP2SGX60DF780C5N
Intel
Integrated Circuit
EP2SGX60CF780C5N
Intel
Integrated Circuit