MCP1801T-3002I/OT Microchip Integrated Circuit (SOT23 (5-Pin)) In Stock
Microchip MCP1801T-3002I/OT is a fixed 3.0 V low-dropout linear regulator delivering 150 mA with a typical 240 mV dropout voltage, accepting 4 V to 10 V input. Packaged in a 5-pin SOT-23, it provides PSRR-optimised clean power for noise-sensitive analog and mixed-signal circuits. Available from stock worldwide.
- Manufacturer
- Microchip
- Package
- SOT23 (5-Pin)
- Pin Count
- 5
- Lifecycle
- ACTIVE
- Datasheet
- MCP1801T-3002I/OT Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.2637(MOQ 1)
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of MCP1801T-3002I/OT?
- Fixed 3.0 V output with 150 mA current capability and typical 240 mV dropout enabling wide input range from 4 V to 10 V
- Maximum 350 mV dropout voltage at full 150 mA load extends battery life in portable 3-cell alkaline and single-cell Li-Ion applications
- High PSRR (Power Supply Rejection Ratio) suppresses input noise, protecting sensitive analog and RF circuits
- Compact 5-pin SOT-23 footprint minimises board area for space-constrained portable and IoT power rails
What is MCP1801T-3002I/OT used for?
The MCP1801T-3002I/OT provides a clean 3.0 V regulated rail for noise-sensitive analog front ends, RF modules, and microcontroller power supplies in battery-operated portable equipment. Its 150 mA current delivery and low 240 mV typical dropout suit single-cell Li-Ion systems where maximising usable battery capacity is critical. The 5-pin SOT-23 package fits easily alongside sensors, ADCs, and Bluetooth modules on compact IoT and wearable PCBs.
What are the specifications of MCP1801T-3002I/OT?
| Pbfree Code | Yes |
| Manufacturer Package Code | SOT-23-5 |
| Factory Lead Time | 16Weeks |
| YTEOL | 8 |
| Adjustability | FIXED |
| Dropout Voltage1-Max | 0.35V |
| Dropout Voltage1-Nom | 0.24V |
| Input Voltage Absolute-Max | 12V |
| Input Voltage-Max | 10V |
| Input Voltage-Min | 4V |
| JESD-30 Code | R-PDSO-G5 |
| JESD-609 Code | e3 |
| Line Regulation-Max | 0.036% |
| Load Regulation-Max | 0.05% |
| Number of Functions | 1 |
| Number of Outputs | 1 |
| Output Current1-Max | 0.15A |
| Output Voltage1-Max | 3.06V |
| Output Voltage1-Min | 2.94V |
| Output Voltage1-Nom | 3V |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | TSOP5/6,.11,37 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE, LOW PROFILE, SHRINK PITCH |
| 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 | 0.95mm |
| Terminal Position | DUAL |
| Voltage Tolerance-Max | 2% |
| Package | SOT23 (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 | Japan |
Where can I find the MCP1801T-3002I/OT datasheet?
MCP1801T-3002I/OT Datasheet DownloadOfficial datasheet from Microchip
What are equivalent replacements for MCP1801T-3002I/OT?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What input voltage range and dropout voltage should designers expect from the MCP1801T-3002I/OT at 150 mA?
The MCP1801T-3002I/OT accepts input voltages from 4 V to 10 V (absolute maximum 12 V) and exhibits a typical dropout voltage of 240 mV rising to a maximum of 350 mV at the full 150 mA output current. This low dropout allows the regulator to maintain a stable 3.0 V output even when the input rail sags close to 3.35 V, extending run time on battery-powered designs.
How does the MCP1801T-3002I/OT PSRR characteristic benefit an RF or audio circuit powered from a noisy supply?
High PSRR attenuates switching noise and ripple from upstream converters or shared battery rails before they reach sensitive RF and audio analog stages. Using the MCP1801T-3002I/OT to derive the 3.0 V analog supply from a 5 V switching bus can reduce injected noise by 40 dB or more at frequencies up to 1 kHz, improving SNR and spurious-free dynamic range in ADC and RF receiver circuits.
What procurement lead time must supply chains plan for when stocking MCP1801T-3002I/OT?
Factory lead time is 16 weeks, which is longer than many commodity LDO regulators, so procurement teams should maintain at least 20 weeks of safety stock and place blanket orders well in advance of production ramps. Alternative 3.0 V 150 mA SOT-23 LDOs from compatible families should be evaluated as second sources to reduce supply risk during periods of constrained capacity.
For a 3.7 V Li-Ion single-cell design, how much headroom does MCP1801T-3002I/OT provide at end of discharge?
A Li-Ion cell discharges to approximately 3.0 V at end of battery life, leaving only 0 mV headroom above the 3.0 V output, which is insufficient for regulation. Designers should target a 3.3 V cutoff or select the 2.8 V output variant to maintain the required minimum 240 mV dropout across the usable battery range of 3.6 V to 4.2 V full charge.
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More from Microchip
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $0.5600 | $0.56 |
| 25+ | $0.5240 | $13.10 |
| 50+ | $0.4980 | $24.90 |
| 100+ | $0.4300 | $43.00 |
| 250+ | $0.2682 | $67.05 |
| 500+ | $0.2637 | $131.85 |
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