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Microchip Technology MCP1711T-50I/5X
- Part No.:
- MCP1711T-50I/5X
- Manufacturer:
- Microchip Technology
- Package:
- 4-UDFN Exposed Pad
- Datasheet:
-
MCP1711T-50I/5X.pdf
- Description:
- IC REG LINEAR 5V 150MA 4UQFN
- Quantity:
- Payment:
- Shipping:
Inventory:3,924
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Product details
Overview
MCP1711T-50I/5X from Microchip Technology is a 5.0V fixed-output, ultra-low-quiescent-current (600 nA typical) CMOS LDO voltage regulator in a 5-lead SOT-23 package, delivering up to 150 mA output current with dropout as low as 320 mV at 5.0V output and operating across 1.4V–6.0V input range. It targets energy-constrained systems such as wireless sensor nodes and battery-powered IoT modules where standby power and capacitorless stability are critical.
For engineers reviewing the MCP1711T-50I/5X datasheet, MCP1711T-50I/5X pinout, MCP1711T-50I/5X application, or MCP1711T-50I/5X equivalent, key selection criteria include its ±1% output accuracy at +25°C, true current foldback protection, integrated COUT discharge circuit during shutdown, and compatibility with low-ESR ceramic capacitors - all validated for industrial temperature operation (–40°C to +85°C).
Technical Context
The MCP1711T-50I/5X employs a PMOS pass transistor architecture enabling ultra-low quiescent current and near-zero dropout sensitivity to load transients. Its internal error amplifier and precision voltage reference deliver stable regulation even without an output capacitor, while the dedicated SHDN-controlled discharge transistor actively pulls VOUT to ground during shutdown.
It integrates overcurrent limiting, short-circuit foldback (80 mA typical trip), and thermal protection. Line regulation is ±0.01%/V typical, and temperature stability is ±50 ppm/°C - enabling reliable operation in thermally variable embedded environments without external compensation.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Output Voltage | Fixed 5.0V ±1% at +25°C; ensures compatibility with 5V logic and analog subsystems without trimming. |
| Quiescent Current | 600 nA typical; enables multi-year battery life in always-on monitoring applications. |
| Max Output Current | 150 mA; sufficient to power microcontrollers, RF transceivers, and sensors in compact edge devices. |
| Dropout Voltage | 320 mV typical at 150 mA (VIN = 5.32V); supports operation from single-cell Li-ion (3.0–4.2V) with headroom margin. |
| Operating Temp | –40°C to +85°C industrial grade; qualified for deployment in uncontrolled ambient environments. |
| Shutdown Current | 10 nA typical; reduces system standby power to negligible levels during deep sleep modes. |
| Output Capacitor | Capacitorless stable; eliminates BOM cost and board space for bulk output capacitance in space-constrained designs. |
Pinout & Package
Package: 5-Lead SOT-23 (JEDEC MO-178AA), 2.9 mm × 1.6 mm × 1.1 mm body, with exposed pad for thermal enhancement.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VIN | Unregulated Input Supply | Accepts 1.4V–6.0V; requires ≥0.1 µF ceramic input capacitor for transient stability. |
| VOUT | Regulated Output | Delivers stable 5.0V; internally compensated for capacitorless operation but benefits from low-ESR ceramic COUT for improved PSRR. |
| GND | Ground Reference | Common return for input/output capacitors and load; referenced by internal error amplifier and voltage divider. |
| SHDN | Active-High Enable Control | Logic high (>0.91V) enables regulation; logic low (<0.38V) disables output and activates internal discharge path. |
| NC | No Connect | Not internally bonded; must be left floating or tied to GND per layout best practices. |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low IQ | 600 nA quiescent current enables >10-year battery life in 10 µA average-load applications. |
| True foldback protection | Reduces output current to ~80 mA during overload, preventing thermal runaway and enabling safe recovery. |
| Integrated COUT discharge | Internal switch discharges output capacitor when SHDN is low, ensuring rapid VOUT ramp-down for sequencing. |
| Capacitorless stability | Stable without output capacitor; simplifies design and reduces bill-of-materials in ultra-low-power systems. |
| Industrial temp range | Validated operation from –40°C to +85°C ambient; suitable for outdoor, automotive cabin, and industrial control deployments. |
Applications
| Wireless Sensor Node | Energy Harvesting System |
|---|---|
|
Use Scenario: Sub-GHz or BLE sensor node powered by coin cell or thin-film battery, transmitting data every 5 minutes. IC Role / Device Role / Timing Role: Primary 5V supply regulator for MCU, radio, and analog front-end; manages wake-up sequencing via SHDN. Use Value: 600 nA IQ extends 225 mAh CR2032 battery life beyond 5 years; capacitorless operation saves PCB area in 8 mm × 8 mm node footprint. |
Use Scenario: Indoor light-harvesting module using amorphous silicon PV cell (0.5–3.0V output) powering a low-power MCU. IC Role / Device Role / Timing Role: Step-up-independent LDO that regulates harvested voltage to clean 5V rail despite wide input variation. Use Value: 1.4V minimum VIN allows regulation down to dim-light conditions; 150 mA peak supports burst transmission without brownout. |
| Portable Medical Monitor | Smart Asset Tracker |
|
Use Scenario: Wearable ECG patch with continuous sensing and Bluetooth LE telemetry, requiring FDA-grade reliability. IC Role / Device Role / Timing Role: Main power regulator for analog signal chain and digital core; SHDN synchronized to MCU sleep states. Use Value: ±1% output accuracy ensures consistent ADC reference; –40°C to +85°C rating covers clinical and home-use environments. |
Use Scenario: GPS-enabled logistics tracker mounted in cargo containers, operating on primary lithium thionyl chloride battery. IC Role / Device Role / Timing Role: Power management IC enabling ultra-deep sleep between location pings; discharge circuit prevents residual VOUT leakage. Use Value: 10 nA shutdown current minimizes self-discharge; robust short-circuit foldback protects against wiring faults in field deployments. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar LDO regulator applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| Torex XC6219B502MR-G | 500 nA IQ, 150 mA, SOT-23-5, ±2% accuracy, no COUT discharge | Lacks active output discharge; requires external pull-down for strict sequencing | Preferred where lowest possible IQ is critical and discharge is managed externally |
| ROHM BD70522GUL | 180 nA IQ, 200 mA, DFN1212-4, ±1.5% accuracy, 1.7–5.5V input | Lower IQ but narrower input range; 4-pin package lacks dedicated SHDN pin | Selected for sub-200 nA standby systems where SHDN control is implemented digitally |
Compared with the MCP1711T-50I/5X, the XC6219B502MR-G offers marginally lower quiescent current but omits the integrated discharge function required for precise power sequencing, while the BD70522GUL achieves significantly lower IQ yet sacrifices both SHDN pin control and input voltage flexibility - making the MCP1711T-50I/5X optimal for designs needing balanced ultra-low power, robust protection, and deterministic shutdown behavior.
Availability
MCP1711T-50I/5X is available at Aetrix Electronics and suitable for wireless sensor networks, portable medical monitors, and smart asset trackers requiring stable component supply with guaranteed long-term manufacturability and RoHS-compliant sourcing.
Supply support for MCP1711T-50I/5X includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Microchip Technology Inc. is a leading provider of microcontroller, analog, and FPGA solutions, with a strong focus on low-power, high-reliability semiconductor products for industrial, automotive, and consumer markets.
The MCP1711 product line delivers micropower LDO regulators optimized for energy harvesting and battery longevity, emphasizing capacitorless stability, nanoscale quiescent current, and intelligent protection features for next-generation IoT endpoints.
FAQ
What is the maximum input voltage rating for the MCP1711T-50I/5X?
The MCP1711T-50I/5X has an absolute maximum input voltage rating of +6.5V. Continuous operation is specified from 1.4V to 6.0V. Exceeding 6.5V may cause permanent damage. For reliable long-term use, keep VIN ≤ 6.0V under all operating conditions, including transient spikes.
Does the MCP1711T-50I/5X require an output capacitor to remain stable?
No - the MCP1711T-50I/5X is internally compensated for capacitorless operation and remains stable with COUT = 0 µF. However, adding a low-ESR ceramic capacitor (e.g., 1 µF) improves transient response and PSRR performance, especially above 10 kHz.
How does the SHDN pin function on the MCP1711T-50I/5X?
The SHDN pin is an active-high enable input. When pulled to ≥0.91V (relative to GND), the MCP1711T-50I/5X regulates normally. When pulled to ≤0.38V, it enters shutdown mode, reducing supply current to 10 nA typical and activating an internal discharge switch to rapidly pull VOUT to GND.
What is the dropout voltage of the MCP1711T-50I/5X at full load?
At 150 mA output current and +25°C, the typical dropout voltage of the MCP1711T-50I/5X is 320 mV. This means it maintains regulation as long as VIN ≥ 5.32V. The maximum dropout is 430 mV across temperature and process variation.
Is the MCP1711T-50I/5X compatible with ceramic input capacitors?
Yes - the MCP1711T-50I/5X is fully compatible with ceramic input capacitors. A minimum 0.1 µF X5R/X7R ceramic capacitor placed close to the VIN and GND pins ensures stable operation under load transients and suppresses high-frequency noise from the source.
MCP1711T-50I/5X Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Microchip Technology
- Series:
- -
- Package/Case:
- 4-UDFN Exposed Pad
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Output Configuration:
- Positive
- Output Type:
- Fixed
- Number of Regulators:
- 1
- Voltage - Input (Max):
- 6V
- Voltage - Output (Min/Fixed):
- 5V
- Voltage - Output (Max):
- -
- Voltage Dropout (Max):
- 0.43V @ 150mA
- Current - Output:
- 150mA
- Current - Quiescent (Iq):
- 1.27 µA
- Current - Supply (Max):
- 1.8 µA
- PSRR:
- -
- Control Features:
- Enable
- Protection Features:
- -
- Operating Temperature:
- -40°C ~ 85°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 4-UQFN (1x1)
MCP1711T-50I/5X FAQ
1.How can I place an order for MCP1711T-50I/5X through Aetrix?
Please submit a Request for Quotation (RFQ) for MCP1711T-50I/5X on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for MCP1711T-50I/5X reliable?
The price and inventory of MCP1711T-50I/5X are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MCP1711T-50I/5X is usually 5 days.
3.What payment methods are accepted for MCP1711T-50I/5X?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MCP1711T-50I/5X transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MCP1711T-50I/5X?
MCP1711T-50I/5X orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MCP1711T-50I/5X order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for MCP1711T-50I/5X?
For technical support, including MCP1711T-50I/5X datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MCP1711T-50I/5X requirements.
6.How does Aetrix verify that MCP1711T-50I/5X is sourced from the original manufacturer or authorized distributors?
All MCP1711T-50I/5X products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that MCP1711T-50I/5X meets industry standards.
7.What is the process for return or replacement of MCP1711T-50I/5X?
All MCP1711T-50I/5X units undergo pre-shipment inspection (PSI). If there is an issue with MCP1711T-50I/5X, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The MCP1711T-50I/5X part is unused and in its original packaging.
Return procedure for MCP1711T-50I/5X:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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