MCP1826S-3302E/EB Microchip Integrated Circuit (Other) In Stock
The MCP1826S-3302E/EB is a fixed 3.3 V, 1 A LDO linear regulator from Microchip with a typical dropout voltage of only 250 mV. It accepts input voltages from 3.78 V to 6 V and is housed in a DDPAK-3 package for enhanced thermal dissipation.
- Manufacturer
- Microchip
- Package
- Other
- Pin Count
- 3
- Lifecycle
- ACTIVE
- Datasheet
- MCP1826S-3302E/EB Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.4264(MOQ 1)
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Fixed 3.3 V output with 1 A continuous current capability
- Ultra-low 250 mV typical dropout voltage reducing minimum headroom requirements
- Wide input voltage range of 3.78 V to 6 V supporting USB and single-cell Li-ion supplies
- DDPAK-3 package with exposed metal tab for superior thermal performance
- RoHS/Pb-free compliant for environmentally conscious designs
Applications
The MCP1826S-3302E/EB is suited for powering 3.3 V microcontrollers, FPGAs, and peripheral logic from a 5 V USB bus or a single-cell Li-ion battery where low dropout ensures regulation down to near-depleted battery voltages. Its 1 A output current and DDPAK-3 thermal package make it a reliable post-regulator in embedded systems, motor-driver boards, and industrial sensor nodes that demand clean 3.3 V power with minimal heat dissipation complexity. The device also serves as a cost-effective linear post-regulator after a switching pre-regulator, where its low dropout characteristic reduces power loss and eases thermal design.
Specifications
| Pbfree Code | Yes |
| Manufacturer Package Code | DDPAK-3 |
| Factory Lead Time | 8Weeks |
| YTEOL | 9 |
| Adjustability | FIXED |
| Dropout Voltage1-Max | 0.4V |
| Dropout Voltage1-Nom | 0.25V |
| Input Voltage Absolute-Max | 6.5V |
| Input Voltage-Max | 6V |
| Input Voltage-Min | 3.7825V |
| JESD-30 Code | R-PSSO-G3 |
| JESD-609 Code | e3 |
| Line Regulation-Max | 0.0146355% |
| 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 | 1A |
| Output Voltage1-Max | 3.3825V |
| Output Voltage1-Min | 3.2175V |
| Output Voltage1-Nom | 3.3V |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SMSIP3H,.55TB |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| Packing Method | TUBE |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| Regulator Type | FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR |
| Surface Mount | YES |
| Technology | CMOS |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | GULL WING |
| Terminal Pitch | 2.54mm |
| Terminal Position | SINGLE |
| Time@Peak Reflow Temperature-Max (s) | 40 |
| Voltage Tolerance-Max | 2.5% |
| 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 | Mainland China |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What is the dropout voltage of the MCP1826S-3302E/EB, and how does that affect minimum input voltage?
The MCP1826S-3302E/EB has a typical dropout voltage of 0.25 V and a maximum of 0.4 V at full 1 A load. This means the input supply must be at least 3.55 V (3.3 V + 0.25 V) under typical conditions to maintain a regulated 3.3 V output. In a single-cell Li-ion application, the battery can discharge to approximately 3.6 V while still providing regulated 3.3 V, extending usable runtime compared to regulators with higher dropout.
How much output current can the MCP1826S-3302E/EB supply, and what loads is it appropriate for?
The MCP1826S-3302E/EB is rated for 1 A continuous output current at 3.3 V. This is sufficient to power STM32 or PIC microcontrollers, Wi-Fi modules drawing up to 400 mA peak, Ethernet PHYs, SDRAM, and combinations of low-power peripherals. The DDPAK-3 package with its metal thermal tab helps dissipate the (VIN - 3.3 V) × 1 A heat at higher input voltages without requiring an external heat sink in many applications.
What input voltage range does the MCP1826S-3302E/EB accept, and which supply sources does that cover?
The MCP1826S-3302E/EB accepts input voltages from 3.7825 V minimum to 6 V maximum, with an absolute maximum of 6.5 V. This range covers a 5 V USB bus (4.75 V to 5.25 V), a single-cell Li-ion pack (3.0 V charged down — note minimum is 3.78 V so a protection circuit or pre-boost may be needed at very low SoC), and a regulated 5 V wall adapter, making it versatile for both portable and mains-powered embedded designs.
Why does the DDPAK-3 package matter for thermal management compared to a standard SOT-223 LDO?
The DDPAK-3 (D2PAK) package has a large exposed copper tab on its underside that solders directly to the PCB copper pour, providing a thermal resistance of roughly 10°C/W junction-to-board versus 50°C/W or more for a 3-lead SOT-223 without a heat spreader. At 1 A load from a 5 V input dissipating (5 V - 3.3 V) × 1 A = 1.7 W, the DDPAK-3's lower thermal resistance keeps junction temperature well within the 125°C maximum without needing a bolted external heat sink.
What is the typical lead time for MCP1826S-3302E/EB, and how should procurement teams plan their orders?
The MCP1826S-3302E/EB has a factory lead time of approximately 8 weeks from Microchip. For production builds, procurement engineers should maintain a safety stock of 8 to 12 weeks of supply or place scheduled blanket orders to avoid stockouts. During peak semiconductor demand cycles, spot-market pricing can spike significantly, so locking in contract pricing at distribution partners such as Digi-Key, Mouser, or Arrow is advisable for volumes above 500 units.
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+ | $0.4264 | $0.43 |
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.”