MCP1725-3302E/MC Microchip Integrated Circuit (Small Outline No-lead) In Stock
The Microchip MCP1725-3302E/MC is a fixed 3.3 V, 500 mA low-dropout linear regulator with a typical dropout voltage of only 210 mV, accepting input voltages from 2.3 V to 6 V. Featuring ±2% output accuracy and housed in a compact 8-pin DFN package, it suits battery-powered and low-headroom 3.3 V power supply designs.
- Manufacturer
- Microchip
- Package
- Small Outline No-lead
- Pin Count
- 8
- Lifecycle
- ACTIVE
- Datasheet
- MCP1725-3302E/MC Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.1890(MOQ 1)
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Fixed 3.3 V output with ±2% accuracy suitable for precision 3.3 V digital supply rails
- Low 210 mV typical dropout voltage enabling operation from 3.5 V input batteries
- 500 mA continuous output current for medium-load microcontroller and RF subsystems
- Wide 2.3 V to 6 V input range covering single-cell Li-Ion through 5 V USB sources
- Compact 8-pin DFN package with exposed thermal pad for improved thermal performance
Applications
MCP1725-3302E/MC is commonly used in portable electronics, IoT nodes, and wireless sensor designs requiring a stable 3.3 V supply from a Li-Ion or Li-Po battery cell or a 5 V USB input. Its low dropout characteristic makes it well-suited for battery-powered systems where the input rail declines to near the output voltage as the cell discharges, maximizing usable runtime.
Specifications
| Pbfree Code | Yes |
| Manufacturer Package Code | DFN-8 |
| Reach Compliance Code | Compliant |
| Factory Lead Time | 6Weeks |
| YTEOL | 9 |
| Adjustability | FIXED |
| Dropout Voltage1-Max | 0.35V |
| Dropout Voltage1-Nom | 0.21V |
| Input Voltage Absolute-Max | 6.5V |
| Input Voltage-Max | 6V |
| Input Voltage-Min | 3.7325V |
| JESD-30 Code | R-PDSO-N8 |
| JESD-609 Code | e3 |
| Line Regulation-Max | 0.0119724% |
| 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 | 0.5A |
| Output Voltage1-Max | 3.3825V |
| Output Voltage1-Min | 3.2175V |
| Output Voltage1-Nom | 3.3V |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SOLCC8,.08,20 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE |
| Packing Method | TUBE |
| 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 | NO LEAD |
| Terminal Pitch | 0.5mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 40 |
| Voltage Tolerance-Max | 2% |
| Package | Small Outline No-lead |
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 | Thailand |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What is the minimum input voltage required to maintain 3.3 V output on MCP1725-3302E/MC with a 500 mA load?
With a 500 mA load, MCP1725-3302E/MC requires an input of at least 3.3 V plus the maximum dropout voltage of 350 mV, giving a minimum input of approximately 3.65 V. At lighter loads the typical dropout of 210 mV applies, allowing operation from an input as low as 3.51 V under normal conditions.
How accurately does MCP1725-3302E/MC regulate its 3.3 V output, and is this sufficient for microcontroller VDD rails?
MCP1725-3302E/MC maintains its 3.3 V output within ±2% across line, load, and temperature, corresponding to a regulation band of 3.234 V to 3.366 V. Most 3.3 V microcontrollers and FPGAs specify a ±5% or tighter supply tolerance, so the ±2% accuracy of this LDO comfortably satisfies typical digital VDD requirements.
For a compact wearable design, how does the DFN-8 package of MCP1725-3302E/MC compare to a SOT-223 in terms of board area?
The DFN-8 package measures approximately 2 mm × 3 mm with a 0.5 mm pitch, while a SOT-223 body occupies about 6.5 mm × 3.5 mm. The DFN-8 reduces the regulator footprint by roughly 75%, making MCP1725-3302E/MC a strong choice for wearables and small IoT modules where board real estate is tightly constrained.
Is MCP1725-3302E/MC REACH-compliant, and does it qualify for lead-free assembly processes?
Yes. MCP1725-3302E/MC carries a REACH Compliant designation and is manufactured with a Pb-free finish as indicated by its Pbfree Code. The JEDEC e3 finish code confirms compatibility with lead-free solder reflow profiles, making it straightforward to qualify on RoHS and REACH compliant bill-of-material reviews.
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| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $0.1943 | $0.19 |
| 25+ | $0.1906 | $4.76 |
| 100+ | $0.1890 | $18.90 |
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