MCP1711T-22I/OT Microchip Integrated Circuit (SOT23 (5-Pin)) In Stock
The MCP1711T-22I/OT is a fixed-output, capless ultra-low IQ LDO regulator with a 2.2 V output and a typical dropout voltage of 0.75 V, operating from a 2.7 V to 6 V input. In a compact 5-pin SOT-23 package, it suits battery-powered IoT nodes, wearables, and portable sensors requiring stable 2.2 V regulation with minimal quiescent current.
- Manufacturer
- Microchip
- Package
- SOT23 (5-Pin)
- Pin Count
- 5
- Lifecycle
- ACTIVE
- Datasheet
- MCP1711T-22I/OT Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.0908(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 MCP1711T-22I/OT?
- Capless LDO design eliminates the need for an external output capacitor, reducing BOM
- Ultra-low quiescent current for extended battery life in standby-heavy IoT applications
- Fixed 2.2 V output with a typical dropout voltage of 0.75 V for efficient low-headroom operation
- 2.7 V to 6 V input voltage range covering single-cell Li-ion and 3 AA alkaline battery packs
- 1.05 V maximum dropout voltage ensuring regulation at low battery under worst-case conditions
- 5-pin SOT-23 package for minimal board area in space-constrained portable designs
What is MCP1711T-22I/OT used for?
The MCP1711T-22I/OT is ideally suited for IoT sensor nodes, wearable electronics, and wireless modules that demand a stable 2.2 V rail with the lowest possible quiescent current to extend battery runtime in deep-sleep states. Its capless architecture simplifies PCB layout by removing the mandatory output capacitor found in conventional LDOs, reducing component count in Bluetooth Low Energy and Zigbee modules. It also suits USB-powered accessories and coin-cell backup circuits where a fixed low-voltage output with minimal load is required.
What are the specifications of MCP1711T-22I/OT?
| Manufacturer Package Code | SOT-23-5 |
| Factory Lead Time | 16Weeks |
| YTEOL | 13 |
| Adjustability | FIXED |
| Dropout Voltage1-Max | 1.05V |
| Dropout Voltage1-Nom | 0.75V |
| Input Voltage Absolute-Max | 6.5V |
| Input Voltage-Max | 6V |
| Input Voltage-Min | 2.7V |
| JESD-30 Code | R-PDSO-G5 |
| JESD-609 Code | e3 |
| Line Regulation-Max | 0.013794% |
| Load Regulation-Max | 0.05% |
| 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 | 2.222V |
| Output Voltage1-Min | 2.17V |
| Output Voltage1-Nom | 2.2V |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SOP5,.11,37 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE, LOW PROFILE, SHRINK PITCH |
| Packing Method | TR |
| Peak Reflow Temperature (Cel) | 260 |
| 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 |
| Time@Peak Reflow Temperature-Max (s) | 40 |
| Voltage Tolerance-Max | 1.36% |
| ## MCP1711T-22I/OT Alternates Showing results | Image |
| Package | SOT23 (5-Pin) |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.60 |
| Country of Origin | Japan |
Where can I find the MCP1711T-22I/OT datasheet?
MCP1711T-22I/OT Datasheet DownloadOfficial datasheet from Microchip
What are equivalent replacements for MCP1711T-22I/OT?
Compatible alternatives and drop-in replacements for MCP1711T-22I/OT:
suggested
suggested
Frequently Asked Questions
How much headroom does MCP1711T-22I/OT need from a single lithium-ion cell to maintain 2.2 V regulation?
The MCP1711T-22I/OT has a maximum dropout voltage of 1.05 V, meaning the input must remain at least 3.25 V to guarantee a regulated 2.2 V output at worst case. A single lithium-ion cell discharges from 4.2 V to approximately 3.0 V at end of life, so the regulator maintains 2.2 V output for the majority of the cell's discharge curve, extending useful device runtime significantly.
What does 'capless' mean for MCP1711T-22I/OT, and how does it simplify high-volume PCB assembly?
A capless LDO topology means MCP1711T-22I/OT maintains stability without a mandatory external output capacitor, unlike conventional LDOs that require at least a 1 µF ceramic capacitor at the output pin for phase margin. Eliminating this 0402 capacitor reduces BOM by one component, frees one PCB pad pair, and simplifies automated assembly for high-volume wearable and IoT production runs where every component adds placement time and potential solder defect.
For a 3 AA alkaline battery pack at 4.5 V nominal, can MCP1711T-22I/OT regulate 2.2 V throughout discharge?
Yes. The MCP1711T-22I/OT accepts input from 2.7 V to 6 V, so a 3 AA alkaline pack at 4.5 V nominal and approximately 3.0 V at end of discharge (1.0 V per cell) comfortably spans the input range. The 0.75 V typical dropout means regulation is maintained until the pack falls below 2.95 V, providing near-complete battery utilization without premature dropout.
What factory lead time should supply chain teams plan for when designing MCP1711T-22I/OT into a new product?
The MCP1711T-22I/OT carries a factory lead time of 16 weeks, which is longer than many commodity LDO regulators. Design teams targeting product launches within 3 to 6 months should place initial orders at prototype qualification stage, not at production release. Distributor buffer stock in tape-and-reel SOT-23-5 format may reduce effective delivery time to 2 to 4 weeks for smaller prototype quantities.
How does MCP1711T-22I/OT compare to the MCP1700 for battery-operated sensor modules needing 2.2 V?
Both MCP1711T-22I/OT and MCP1700 are Microchip ultra-low-IQ LDOs in the SOT-23 family, but MCP1711T adds a capless design that eliminates the output capacitor required by MCP1700. MCP1700 specifies a 1 µF minimum output capacitor for stability, while MCP1711T removes that requirement, saving one 0402 component in high-density modules. Both share the 2.7 V minimum input and sub-2 µA quiescent current range for standby-dominated battery applications.
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