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Microchip Technology TC1107-3.0VOA
- Part No.:
- TC1107-3.0VOA
- Manufacturer:
- Microchip Technology
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
TC1107-3.0VOA.pdf
- Description:
- IC REG LINEAR 3V 300MA 8SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:1,113
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Product details
Overview
TC1107-3.0VOA from Microchip Technology is a fixed-output, 3.0V CMOS low-dropout (LDO) linear regulator with ±0.5% output voltage accuracy, 300mA maximum output current, and ultra-low 50µA typical supply current. It features shutdown control, bypass input for noise reduction, and integrated over-temperature and over-current protection-designed for battery-powered medical instruments and portable computing systems.
For engineers reviewing the TC1107-3.0VOA datasheet, TC1107-3.0VOA pinout, TC1107-3.0VOA application, or TC1107-3.0VOA equivalent, key selection criteria include dropout voltage at full load (270mV max), thermal shutdown threshold (150°C), and compatibility with 1µF minimum output capacitance in space-constrained SOIC-8 layouts.
Technical Context
The TC1107-3.0VOA uses a CMOS-based pass element to achieve stable regulation across 0–300mA load range without supply current increase-unlike legacy bipolar LDOs. Its reference bypass input accepts a 470pF capacitor to reduce internal reference noise, directly lowering output noise to 260nV/√Hz at 1kHz.
Shutdown is asserted via logic-level SHDN pin (VIH ≥ 45% VIN, VIL ≤ 15% VIN), reducing supply current to 0.05µA typical and forcing VOUT to 0V. Thermal protection disables regulation above 150°C junction temperature, resuming operation at ~140°C.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Output Voltage | Fixed 3.0V ±0.5% (±15mV) at 25°C; ensures stable power for 3.3V-tolerant logic rails and precision analog circuitry. |
| Max Output Current | 300mA continuous-supports microcontroller cores, sensors, and RF front-ends in portable devices without thermal derating at ambient ≤55°C. |
| Dropout Voltage | 270mV max at 300mA load-enables operation from 3.27V input (e.g., single Li-ion cell at end-of-discharge) while maintaining regulation. |
| Supply Current | 50µA typical at full load-reduces quiescent power by 20–60× vs. bipolar LDOs, extending battery life in always-on monitoring applications. |
| PSRR | 60dB at ≤1kHz-suppresses ripple from upstream switching regulators, critical for ADC reference and audio signal chain integrity. |
| Output Noise | 260nV/√Hz at 1kHz with 1µF COUT-meets low-noise requirements for precision op-amps and RF synthesizer VCO supplies. |
| Shutdown Current | 0.05µA typical-enables µA-level system sleep modes in pagers and handheld diagnostic tools. |
Pinout & Package
TC1107-3.0VOA is housed in an 8-pin SOIC package (JEDEC MS-012AA, 3.99mm × 4.90mm × 1.75mm), rated for -40°C to +125°C junction temperature. Lead finish is matte tin, RoHS-compliant.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 2 | VOUT | Regulated 3.0V output; dual pins reduce IR drop and improve current handling for 300mA loads. |
| 3 | NC | No connect-must be left floating; no internal connection or function. |
| 4 | Bypass | Reference bypass node; connecting 470pF to GND reduces output noise by filtering internal bandgap reference ripple. |
| 5 | SHDN | Active-high shutdown control; logic high (≥45% VIN) enables regulation; logic low (≤15% VIN) disables output and cuts supply current to 0.05µA. |
| 6, 7 | NC | No connect-must be left floating; no internal connection or function. |
| 8 | VIN | Unregulated input (2.7–6.0V); requires ≥3.27V to sustain 3.0V output at 300mA due to 270mV dropout. |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low quiescent current | 50µA typical at full load-enables >1-year battery life in coin-cell-powered IoT sensors operating at 10µA average current. |
| Low-noise Bypass input | 470pF capacitor on Bypass pin reduces output noise to 260nV/√Hz-critical for powering PLLs and high-resolution ADCs without external filtering. |
| Fast load transient response | Maintains regulation during 100mA step changes with <1% overshoot-supports burst-mode MCU operation without brownout. |
| Thermal & current protection | Auto-shutdown at 150°C junction temp and current limiting at 550–650mA-prevents damage during short-circuit or overload events. |
| Stable with minimal capacitance | Works with 1µF ceramic output capacitor (ESR 0.1–5Ω)-eliminates need for large tantalum caps, saving board space and cost. |
Applications
| Portable Medical Sensors | Battery-Powered Instrumentation |
|---|---|
Use Scenario: Continuous glucose monitor (CGM) with Bluetooth LE radio and electrochemical sensor front-end. IC Role / Device Role / Timing Role: Primary 3.0V power rail for analog sensor interface and BLE SoC core logic. Use Value: 50µA quiescent current extends CR2032 battery life to >9 months; 260nV/√Hz noise prevents sensor offset drift. |
Use Scenario: Handheld multimeter with 16-bit SAR ADC and LCD display. IC Role / Device Role / Timing Role: Precision 3.0V reference supply for ADC voltage reference and microcontroller I/O rail. Use Value: ±0.5% output accuracy ensures <0.1% measurement error; 270mV dropout allows operation down to 3.27V input from alkaline cells. |
| GSM/PHS Phone Baseband | Linear Post-Regulator for SMPS |
Use Scenario: Power management in legacy GSM handset baseband IC requiring clean 3.0V supply. IC Role / Device Role / Timing Role: Low-noise post-regulator cleaning ripple from buck converter feeding digital baseband processor. Use Value: 60dB PSRR at 1kHz attenuates 100mVpp switcher ripple to <0.1mVpp, preventing digital noise coupling into RF sections. |
Use Scenario: Secondary regulation stage after 5V buck converter in industrial PLC I/O module. IC Role / Device Role / Timing Role: Final 3.0V LDO supplying isolated CAN transceiver and optocoupler bias rails. Use Value: Shutdown mode (0.05µA) enables firmware-controlled power gating of unused I/O channels, reducing standby power by 99%. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar LDO regulator applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MCP1700-3002E/TO | Same 3.0V output, but 250mA max current and 1.8µA quiescent current-lower IQ but reduced load capability. | Preferred for ultra-low-power sensor nodes (<100mA load), not suitable for 300mA burst loads. | Select MCP1700-3002E/TO only when load current never exceeds 250mA and sub-µA shutdown is required. |
| TPS76330DBVR | 300mA output, but 85µA typical IQ and 350mV dropout at 300mA-higher quiescent current and worse dropout than TC1107-3.0VOA. | Used in TI-centric designs where footprint compatibility with SOT-23-5 is prioritized over efficiency. | Choose TPS76330DBVR only if existing PCB layout uses SOT-23-5 and thermal margin permits higher dropout. |
Compared with MCP1700-3002E/TO and TPS76330DBVR, TC1107-3.0VOA uniquely balances 300mA drive, 50µA IQ, and 270mV dropout in SOIC-8-making it optimal for space-constrained, battery-operated systems needing both high current and long runtime.
Availability
TC1107-3.0VOA is available at Aetrix Electronics and suitable for portable medical sensors, battery-powered instrumentation, and GSM/PHS phone baseband circuits requiring stable component supply with guaranteed long-term availability.
Supply support for TC1107-3.0VOA 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 company specializing in microcontrollers, analog devices, and power management ICs, with ISO/TS-16949 certified manufacturing.
The TC1107 product line delivers CMOS-based LDO regulators optimized for ultra-low-power, high-accuracy applications in portable and medical electronics-replacing legacy bipolar regulators with superior efficiency and noise performance.
FAQ
What is the minimum input voltage required for TC1107-3.0VOA to maintain regulation at 300mA load?
The TC1107-3.0VOA requires a minimum input voltage of 3.27V to sustain 3.0V output at 300mA load, based on its maximum dropout voltage of 270mV. This ensures reliable operation from partially discharged single-cell lithium-ion batteries (nominal 3.7V, end-of-discharge ~3.3V) and three-alkaline-cell stacks (4.5V nominal, ~3.6V under load).
Can TC1107-3.0VOA operate without the Bypass capacitor, and what is the impact on noise performance?
Yes, TC1107-3.0VOA operates without the Bypass capacitor, but output noise increases from 260nV/√Hz to approximately 450nV/√Hz at 1kHz. The 470pF capacitor on the Bypass pin filters internal reference noise; omitting it is acceptable for non-sensitive digital loads but not recommended for precision analog or RF circuits powered by TC1107-3.0VOA.
What thermal protection behavior does TC1107-3.0VOA exhibit during sustained overload?
TC1107-3.0VOA initiates thermal shutdown when junction temperature exceeds 150°C, disabling output and reducing supply current to near-zero. Regulation resumes automatically once die temperature falls to ~140°C. This cycle prevents permanent damage during continuous 300mA operation in poorly ventilated enclosures or high ambient temperatures (>85°C).
Is TC1107-3.0VOA stable with ceramic output capacitors, and what ESR range is supported?
Yes, TC1107-3.0VOA is stable with ceramic output capacitors as low as 1µF, provided effective series resistance (ESR) is between 0.1Ω and 5.0Ω. This eliminates the need for larger, less reliable tantalum or aluminum electrolytic capacitors-reducing board area and improving reliability in automotive and industrial environments.
How does the shutdown functionality of TC1107-3.0VOA interact with the SHDN pin voltage thresholds?
The TC1107-3.0VOA enters shutdown when SHDN voltage drops to ≤15% of VIN (VIL), and exits shutdown when SHDN rises to ≥45% of VIN (VIH). For a 4.2V input, this means shutdown asserts below 0.63V and releases above 1.89V-ensuring robust noise immunity when driven by standard CMOS GPIO or open-drain controllers.
TC1107-3.0VOA Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Microchip Technology
- Series:
- -
- Package/Case:
- 8-SOIC (0.154", 3.90mm Width)
- Packaging:
- Tube
- Product Status:
- Active
- Output Configuration:
- Positive
- Output Type:
- Fixed
- Number of Regulators:
- 1
- Voltage - Input (Max):
- 6V
- Voltage - Output (Min/Fixed):
- 3V
- 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
TC1107-3.0VOA FAQ
1.How can I place an order for TC1107-3.0VOA through Aetrix?
Please submit a Request for Quotation (RFQ) for TC1107-3.0VOA 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 TC1107-3.0VOA reliable?
The price and inventory of TC1107-3.0VOA are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TC1107-3.0VOA is usually 5 days.
3.What payment methods are accepted for TC1107-3.0VOA?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TC1107-3.0VOA transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TC1107-3.0VOA?
TC1107-3.0VOA orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TC1107-3.0VOA 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 TC1107-3.0VOA?
For technical support, including TC1107-3.0VOA datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TC1107-3.0VOA requirements.
6.How does Aetrix verify that TC1107-3.0VOA is sourced from the original manufacturer or authorized distributors?
All TC1107-3.0VOA 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 TC1107-3.0VOA meets industry standards.
7.What is the process for return or replacement of TC1107-3.0VOA?
All TC1107-3.0VOA units undergo pre-shipment inspection (PSI). If there is an issue with TC1107-3.0VOA, 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 TC1107-3.0VOA part is unused and in its original packaging.
Return procedure for TC1107-3.0VOA:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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