MCP1804T-A002I/MB Microchip Integrated Circuit (Other) In Stock
Microchip MCP1804T-A002I/MB is a fixed 3.3 V LDO linear voltage regulator in SOT-89-3 package supporting input voltages from 12 V to 28 V with 0.95 V maximum dropout. Ideal for industrial and automotive step-down power supply designs.
- Manufacturer
- Microchip
- Package
- Other
- Pin Count
- 3
- Lifecycle
- ACTIVE
- Datasheet
- MCP1804T-A002I/MB Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.5650(MOQ 1)
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Fixed 3.3 V output with tight regulation accuracy
- Wide input voltage range: 12 V to 28 V
- Low maximum dropout voltage of 0.95 V at rated current
- Compact SOT-89-3 surface-mount package
- Absolute maximum input voltage of 30 V for transient protection
- RoHS-compliant and Pb-free construction
Applications
The MCP1804T-A002I/MB is well-suited for industrial control systems and automotive accessories requiring a stable 3.3 V rail from higher-voltage bus supplies such as 12 V or 24 V. Its wide 12 V to 28 V input range accommodates fluctuating vehicle or industrial power rails without additional pre-regulation. The compact SOT-89-3 footprint enables space-efficient board designs in sensor modules, motor drivers, and remote I/O nodes.
Specifications
| Pbfree Code | Yes |
| Manufacturer Package Code | SOT-89-3 |
| Factory Lead Time | 16Weeks |
| YTEOL | 9 |
| Adjustability | FIXED |
| Dropout Voltage1-Max | 0.95V |
| Dropout Voltage1-Nom | 0.7V |
| Input Voltage Absolute-Max | 30V |
| Input Voltage-Max | 28V |
| Input Voltage-Min | 12V |
| JESD-30 Code | R-PSSO-F3 |
| JESD-609 Code | e3 |
| Line Regulation-Max | 0.48% |
| Load Regulation-Max | 0.175% |
| Number of Functions | 1 |
| Number of Outputs | 1 |
| Operating Temperature TJ-Max | 125°C |
| Operating Temperature TJ-Min | -40 °C |
| Output Current1-Max | 0.15A |
| Output Voltage1-Max | 10.2V |
| Output Voltage1-Min | 9.8V |
| Output Voltage1-Nom | 10V |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | TO-243 |
| 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 | FLAT |
| Terminal Pitch | 1.5mm |
| Terminal Position | SINGLE |
| 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 1 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.01 |
| Country of Origin | Japan |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for MCP1804T-A002I/MB:
suggested
suggested
suggested
suggested
suggested
Frequently Asked Questions
What is the input voltage range of the MCP1804T-A002I/MB and how does it handle voltage transients?
The MCP1804T-A002I/MB accepts input voltages from 12 V to 28 V in normal operation and tolerates an absolute maximum of 30 V, providing margin against short-duration transients common on automotive and industrial 12 V or 24 V power buses. This makes it robust for unregulated supply environments.
What is the dropout voltage of the MCP1804T-A002I/MB and why does it matter for battery-powered applications?
The MCP1804T-A002I/MB has a nominal dropout voltage of 0.7 V and a maximum of 0.95 V. In battery-powered systems, a lower dropout means the regulator keeps the 3.3 V output stable until the battery drops closer to 4.25 V, extending usable battery life compared to regulators with higher dropout ratings.
Which PCB package does the MCP1804T-A002I/MB use, and what thermal considerations apply?
The MCP1804T-A002I/MB is packaged in the SOT-89-3 surface-mount format, which includes an exposed thermal tab that aids heat dissipation. For designs where the input-to-output voltage differential is large and load current is moderate, adequate copper area or thermal vias under the tab are recommended to keep junction temperatures within the rated -40 °C to 125 °C operating range.
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+ | $0.9500 | $0.95 |
| 25+ | $0.7800 | $19.50 |
| 100+ | $0.7200 | $72.00 |
| 1000+ | $0.6900 | $690.00 |
| 8000+ | $0.6899 | $5519.12 |
| 10000+ | $0.5650 | $5650.00 |
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.”