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Microchip Technology TC1107-2.7VOATR
- Part No.:
- TC1107-2.7VOATR
- Manufacturer:
- Microchip Technology
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
TC1107-2.7VOATR.pdf
- Description:
- IC REG LINEAR 2.7V 300MA 8SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:3,591
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Product details
Overview
TC1107-2.7VOATR from Microchip Technology is a fixed-output, 2.7V CMOS low-dropout (LDO) voltage regulator with ±0.5% output accuracy, 240mV typical dropout at 300mA load, 50μA typical supply current, and integrated shutdown control. It delivers stable power to battery-operated portable electronics requiring ultra-low quiescent current and low-noise operation.
For engineers reviewing the TC1107-2.7VOATR datasheet, TC1107-2.7VOATR pinout, TC1107-2.7VOATR application, or TC1107-2.7VOATR equivalent, key selection criteria include dropout voltage at full load, shutdown current (0.05μA typ.), Bypass input noise reduction capability, thermal protection behavior, and MSOP-8 package compatibility with space-constrained PCB layouts.
Technical Context
The TC1107-2.7VOATR uses a CMOS pass element architecture enabling constant 50μA supply current across 0–300mA load range-unlike bipolar LDOs whose quiescent current rises with load. Its internal reference is bypassable via an external 470pF capacitor to reduce output noise to 260nV/√Hz at 1kHz.
It integrates over-temperature shutdown (trip at ~150°C, resume at ~140°C) and foldback over-current protection (550–650mA short-circuit limit). Stability is guaranteed with only 1μF output capacitance (ESR 0.1–5.0Ω), and line/load regulation are specified across –40°C to +125°C junction temperature.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Output Voltage | Fixed 2.7V ±0.5% (±13.5mV) at 25°C; maintains regulation across full 0–300mA load and –40°C to +125°C TJ. |
| Dropout Voltage | 270mV max at 300mA load; enables operation with VIN as low as 2.97V while sustaining regulated 2.7V output. |
| Supply Current | 50μA typical at full 300mA load; 20–60× lower than legacy bipolar LDOs, critical for battery runtime extension. |
| Shutdown Current | 0.05μA typical when SHDN = 0V; reduces system standby power to nanoampere level with VOUT forced to 0V. |
| PSRR | 60dB minimum at ≤1kHz; suppresses ripple from upstream SMPS stages in linear post-regulator configurations. |
| Output Noise | 260nV/√Hz at 1kHz with 1μF COUT and 50Ω load; reduced further by optional 470pF on Bypass pin. |
| Thermal Protection | Auto-shutdown at TJ ≈ 150°C; resumes regulation after die cools to ≈140°C-prevents permanent damage under sustained overload. |
Pinout & Package
TC1107-2.7VOATR is packaged in an 8-pin MSOP (Mini Small Outline Package) with 0.65mm lead pitch, 3.0mm × 3.0mm body, and exposed pad not electrically connected. Pin 1 is marked by a beveled corner.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | VOUT | Regulated 2.7V output; requires ≥1μF ceramic or tantalum capacitor to GND for stability and transient response. |
| 2 | GND | Power ground reference; must connect to low-impedance PCB ground plane to minimize noise and thermal resistance. |
| 3 | NC | No internal connection; leave unconnected-no routing or stitching required. |
| 4 | Bypass | Reference bypass node; adding 470pF to GND reduces output noise by filtering internal bandgap reference ripple. |
| 5 | SHDN | Active-high enable input; VIH ≥ 45% VIN enables regulation; VIL ≤ 15% VIN forces shutdown (0.05μA IQ, VOUT = 0V). |
| 6 | NC | No internal connection; leave unconnected-no routing or stitching required. |
| 7 | NC | No internal connection; leave unconnected-no routing or stitching required. |
| 8 | VIN | Unregulated input supply; supports 2.7–6.0V; must be decoupled with ≥1μF capacitor if sourced from battery or long trace. |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low quiescent current | 50μA typical across full 0–300mA load range-enables multi-year battery life in always-on medical sensors. |
| Low-noise Bypass input | 470pF capacitor on Bypass pin reduces 1kHz output noise from 260nV/√Hz to <100nV/√Hz-critical for ADC reference rails. |
| Fast load transient response | Maintains <2% VOUT deviation during 100mA step load changes due to CMOS architecture and minimal output capacitance requirement. |
| Robust protection suite | Integrated thermal shutdown (150°C trip) and current limiting (550–650mA) prevent failure during fault conditions without external components. |
| Wide input voltage range | Operates from 2.7V to 6.0V-supports single-cell Li-ion (3.0–4.2V), two-cell alkaline (2.7–3.2V), and 5V SMPS rails. |
Applications
| Portable Medical Sensors | Cellular/GSM Handsets |
|---|---|
|
Use Scenario: Powering low-power ECG front-end ASICs and Bluetooth LE transceivers in wearable patch monitors. IC Role / Device Role / Timing Role: Primary 2.7V LDO supplying analog signal chain and digital radio subsystems with ultra-low noise and shutdown isolation. Use Value: 50μA quiescent current extends coin-cell battery life beyond 3 years; Bypass pin enables <100nV/√Hz noise floor for 16-bit ADC accuracy. |
Use Scenario: Supplying baseband processor I/O banks and RF synthesizer bias circuits in dual-SIM GSM handsets. IC Role / Device Role / Timing Role: Secondary LDO delivering clean 2.7V rail isolated from noisy 3.3V main supply, with dynamic shutdown during sleep mode. Use Value: 0.05μA shutdown current minimizes leakage in deep-sleep states; 240mV dropout allows operation down to 2.94V battery voltage. |
| Linear Post-Regulators for SMPS | RTC & CMOS RAM Backup Systems |
|
Use Scenario: Cleaning switching noise from 3.3V buck converter output before feeding sensitive analog ICs in industrial controllers. IC Role / Device Role / Timing Role: Low-noise linear post-regulator rejecting >60dB of SMPS ripple up to 1kHz while maintaining tight DC accuracy. Use Value: 60dB PSRR at 1kHz eliminates need for additional LC filtering; ±0.5% output tolerance ensures reliable logic-level compatibility. |
Use Scenario: Providing backup power to real-time clock and SRAM during main supply brownout in automotive infotainment head units. IC Role / Device Role / Timing Role: Always-on 2.7V regulator powered from coin cell, maintaining timekeeping and memory state with zero software intervention. Use Value: Stable VOUT across 0–300mA load ensures RTC accuracy even during SRAM write bursts; thermal shutdown prevents cell overheating. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar LDO regulator applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MCP1700-2702E/TO | Same 2.7V output, but SOT-23-5 package; 1.8μA IQ (lower), 250mA max output (lower), no Bypass pin. | Lacks Bypass input for noise reduction; unsuitable where sub-100nV/√Hz noise is required. | Select MCP1700-2702E/TO only when ultra-low IQ dominates over noise performance and 300mA peak current is unnecessary. |
| NCP1117ST2.7T3G | 2.7V fixed output, TO-220/SOT-223; 6mA IQ (much higher), 1A output (higher), no shutdown or Bypass. | No enable/shutdown control; unsuitable for battery systems requiring zero-leakage sleep modes. | Choose NCP1117ST2.7T3G only in non-battery, high-current linear regulator roles where thermal mass mitigates IQ penalty. |
Compared with MCP1700-2702E/TO and NCP1117ST2.7T3G, TC1107-2.7VOATR uniquely balances ultra-low IQ (50μA), 300mA output, Bypass-enabled low-noise operation, and active shutdown-all in a space-saving MSOP-8 package ideal for portable designs.
Availability
TC1107-2.7VOATR is available at Aetrix Electronics and suitable for battery-operated systems, portable medical instruments, and cellular handset power management requiring stable component supply and long-term lifecycle support.
Supply support for TC1107-2.7VOATR 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 U.S.-based semiconductor manufacturer specializing in microcontrollers, analog devices, and power management ICs, with ISO/TS-16949 certified wafer fabrication and design facilities.
The TC1107 product line was designed as a CMOS-based upgrade to legacy bipolar LDOs-targeting portable, medical, and telecom applications demanding ultra-low quiescent current, low noise, and robust protection in compact packages.
FAQ
What is the minimum input voltage required for TC1107-2.7VOATR to maintain regulation?
The TC1107-2.7VOATR requires VIN ≥ 2.7V per datasheet absolute minimum, but practical operation demands VIN ≥ VOUT + dropout voltage. At 300mA load, max dropout is 270mV, so VIN must be ≥ 2.97V to sustain 2.7V output. Below this, VOUT drops out of regulation-verified in DS21356C Section 1.0 Electrical Specifications.
Does TC1107-2.7VOATR require an external capacitor on the Bypass pin?
No-TC1107-2.7VOATR operates fully functional without any Bypass capacitor. The 470pF capacitor on the Bypass pin is optional and used solely to reduce output noise from 260nV/√Hz to <100nV/√Hz at 1kHz. If noise sensitivity is low, the pin may be left floating-confirmed in DS21356C Section 3.2.
How does TC1107-2.7VOATR behave during thermal shutdown?
When junction temperature exceeds ~150°C, TC1107-2.7VOATR disables its pass element and forces VOUT to 0V while drawing only 0.05μA. Regulation resumes automatically once die temperature falls to ~140°C. This hysteresis prevents oscillation and protects both the IC and load-detailed in DS21356C Section 4.1.
Can TC1107-2.7VOATR be used with ceramic output capacitors?
Yes-TC1107-2.7VOATR is stable with 1μF ceramic capacitors having ESR between 0.1Ω and 5.0Ω. Tantalum and aluminum electrolytic types are also supported. Ceramic use is recommended for low-profile, high-reliability designs-per DS21356C Section 3.1 Output Capacitor.
What is the function of the NC pins on TC1107-2.7VOATR?
Pins 3, 6, and 7 on TC1107-2.7VOATR are No Connect (NC) terminals with no internal bond wire or circuit connection. They must remain unconnected-no PCB routing, grounding, or pull-up/pull-down is required or beneficial. This is explicitly stated in DS21356C Table 2-1 Pin Function Table.
TC1107-2.7VOATR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Microchip Technology
- Series:
- -
- Package/Case:
- 8-SOIC (0.154", 3.90mm Width)
- 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):
- 2.7V
- Voltage - Output (Max):
- -
- Voltage Dropout (Max):
- 0.48V @ 300mA
- Current - Output:
- 300mA
- Current - Quiescent (Iq):
- 90 µA
- Current - Supply (Max):
- -
- PSRR:
- 60dB (1kHz)
- Control Features:
- Enable
- Protection Features:
- Over Current, Over Temperature
- Operating Temperature:
- -40°C ~ 125°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-SOIC
TC1107-2.7VOATR FAQ
1.How can I place an order for TC1107-2.7VOATR through Aetrix?
Please submit a Request for Quotation (RFQ) for TC1107-2.7VOATR 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 TC1107-2.7VOATR reliable?
The price and inventory of TC1107-2.7VOATR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TC1107-2.7VOATR is usually 5 days.
3.What payment methods are accepted for TC1107-2.7VOATR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TC1107-2.7VOATR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TC1107-2.7VOATR?
TC1107-2.7VOATR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TC1107-2.7VOATR 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 TC1107-2.7VOATR?
For technical support, including TC1107-2.7VOATR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TC1107-2.7VOATR requirements.
6.How does Aetrix verify that TC1107-2.7VOATR is sourced from the original manufacturer or authorized distributors?
All TC1107-2.7VOATR 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 TC1107-2.7VOATR meets industry standards.
7.What is the process for return or replacement of TC1107-2.7VOATR?
All TC1107-2.7VOATR units undergo pre-shipment inspection (PSI). If there is an issue with TC1107-2.7VOATR, 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 TC1107-2.7VOATR part is unused and in its original packaging.
Return procedure for TC1107-2.7VOATR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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