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
What are the key features of MCP1804T-A002I/MB?
- 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
What is MCP1804T-A002I/MB used for?
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.
What are the specifications of MCP1804T-A002I/MB?
| 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 |
Where can I find the MCP1804T-A002I/MB datasheet?
MCP1804T-A002I/MB Datasheet DownloadOfficial datasheet from Microchip
What are equivalent replacements for MCP1804T-A002I/MB?
Compatible alternatives and drop-in replacements for MCP1804T-A002I/MB:
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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.
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More from Microchip
| 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 |
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