MCP1824T-3302E/DC Microchip Integrated Circuit (SOT223 (5-Pin)) In Stock
Microchip MCP1824T-3302E/DC is a fixed 3.3 V LDO linear regulator with 300 mA output, 200 mV typical dropout voltage, and 6 V max input in a SOT-223-5 package. Ideal for regulated 3.3 V rails in consumer and industrial embedded systems.
- Manufacturer
- Microchip
- Package
- SOT223 (5-Pin)
- Pin Count
- 5
- Lifecycle
- ACTIVE
- Datasheet
- MCP1824T-3302E/DC Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.4800(MOQ 1)
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Ultra-low 200 mV typical dropout voltage at 300 mA for efficient low-headroom 3.3 V regulation
- Fixed 3.3 V output with ±0.5% initial accuracy for precision analog and digital supply rails
- SOT-223-5 package with exposed thermal pad for enhanced thermal dissipation up to 6 V input
- Input voltage range of 3.7 V to 6 V enabling direct use with 5 V USB and 4-cell alkaline battery inputs
Applications
The MCP1824T-3302E/DC is suited for regulating 3.3 V power rails in microcontroller-based systems, IoT gateway boards, and sensor modules powered from 5 V USB or 4.5 V to 6 V battery packs. Its low 200 mV dropout makes it especially effective when the input supply sags under load, maintaining stable 3.3 V output throughout the discharge curve. The SOT-223-5 package with thermal pad simplifies thermal management on compact two-layer PCBs.
Specifications
| Pbfree Code | Yes |
| Manufacturer Package Code | SOT-223-5 |
| Factory Lead Time | 20Weeks |
| 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 | 3.7025V |
| JESD-30 Code | R-PDSO-G5 |
| JESD-609 Code | e3 |
| Line Regulation-Max | 0.012888975% |
| Load Regulation-Max | 0.033% |
| 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 | 3.3825V |
| Output Voltage1-Min | 3.2175V |
| Output Voltage1-Nom | 3.3V |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SOT-223-5 |
| 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 | 1.27mm |
| Terminal Position | DUAL |
| Voltage Tolerance-Max | 2.5% |
| Package | SOT223 (5-Pin) |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.01 |
| Country of Origin | Taiwan, Thailand |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for MCP1824T-3302E/DC:
Fixed Positive LDO Regulator, 3.3V, 0.32V Dropout, CMOS, PDSO3
Frequently Asked Questions
What dropout voltage does the MCP1824T-3302E/DC exhibit at full 300 mA load?
At 300 mA output current, the MCP1824T-3302E/DC exhibits a typical dropout voltage of 200 mV and a maximum of 320 mV, meaning the input rail must stay above approximately 3.5 V to maintain a regulated 3.3 V output.
Can the MCP1824T-3302E/DC be powered directly from a 5 V USB source while supplying a 3.3 V microcontroller?
Yes. With a maximum input voltage of 6 V and a fixed 3.3 V output, the device is fully compatible with 5 V USB power, providing a 1.7 V headroom above the output rail while delivering up to 300 mA to the load.
How does the SOT-223-5 package of MCP1824T-3302E/DC help manage heat in high-current designs?
The SOT-223-5 package includes an exposed thermal pad that dissipates heat into the PCB copper pour, significantly reducing junction temperature at high dissipation — for example, at 300 mA with a 1.7 V drop, 510 mW of power must be removed.
When would an engineer select MCP1824T-3302E/DC over a switching regulator for a 3.3 V rail?
For noise-sensitive applications such as RF front-ends, audio DACs, or precision ADC supplies where the switching frequency of a buck converter would introduce EMI artifacts, the MCP1824T-3302E/DC linear LDO provides a clean 3.3 V output with less than 30 µVrms noise.
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