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Microchip Technology TC2055-3.0VCTTR
- Part No.:
- TC2055-3.0VCTTR
- Manufacturer:
- Microchip Technology
- Package:
- SC-74A, SOT-753
- Datasheet:
-
TC2055-3.0VCTTR.pdf
- Description:
- IC REG LINEAR 3V 100MA SOT23-5
- Quantity:
- Payment:
- Shipping:
Inventory:3,896
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Product details
Overview
TC2055-3.0VCTTR from Microchip Technology is a 100 mA, 3.0 V fixed-output CMOS low-dropout (LDO) regulator in a 5-pin SOT-23A package, featuring ±0.4% output voltage accuracy, 90 mV typical dropout at full load, and integrated shutdown control with open-drain ERROR flag for battery monitoring or reset generation - deployed in portable medical instruments and cellular handsets.
For engineers reviewing the TC2055-3.0VCTTR datasheet, TC2055-3.0VCTTR pinout, TC2055-3.0VCTTR application, or TC2055-3.0VCTTR equivalent, this page delivers verified technical context, validated pin functions, real-world application mappings, and confirmed alternative options for battery-powered LDO selection.
Technical Context
The TC2055-3.0VCTTR implements a CMOS-based LDO architecture optimized for ultra-low quiescent current (55 µA typical), enabling extended battery life in always-on portable systems. Its internal error amplifier maintains regulation across 0–100 mA load while rejecting line and load transients via fast response design.
It integrates dual protection mechanisms: thermal shutdown triggers at ~160°C die temperature, and overcurrent limiting activates when output short-circuit current reaches 160–300 mA. The ERROR pin asserts low when VOUT drops >5% below 3.0 V, with 50 mV hysteresis and 2 ms delay from VOUT deviation to ERROR assertion.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Output Voltage | Fixed 3.0 V ±0.4% (±12 mV) at 25°C - ensures stable logic supply for 3.0 V microcontrollers without external feedback. |
| Max Output Current | 100 mA continuous - supports moderate-power peripherals like Bluetooth modules or sensor interfaces. |
| Dropout Voltage | 90 mV typical at 100 mA - enables operation down to VIN = 3.09 V, critical for single-cell Li-ion or alkaline battery systems. |
| Quiescent Current | 55 µA typical at full load - 20–60× lower than legacy bipolar regulators, directly extending battery runtime. |
| Shutdown Current | 0.05 µA typical - reduces system standby power to nanoampere levels during deep sleep modes. |
| PSRR | 50 dB at ≤100 kHz - suppresses switching noise from DC/DC converters feeding the LDO input. |
| Operating Temp | -40°C to +125°C junction - qualified for industrial and automotive under-hood environments. |
Pinout & Package
TC2055-3.0VCTTR uses a 5-pin SOT-23A surface-mount package (θJA = 255°C/W), with exposed pad not electrically connected. Pin layout follows standard EIAJ SC-74A orientation: PIN 1 (VIN) top-left, PIN 5 (VOUT) bottom-right.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 - VIN | Unregulated input supply | Accepts 2.7–6.0 V input; requires ≥1 µF ceramic capacitor to GND for stability and transient immunity. |
| 2 - GND | Ground reference | Common return for input/output capacitors and load; must be low-impedance connection to minimize noise coupling. |
| 3 - SHDN | Active-high shutdown control | Logic high (>60% VIN) enables regulation; logic low (<15% VIN) disables VOUT and reduces IIN to 0.05 µA. |
| 4 - ERROR | Open-drain out-of-regulation flag | Sinks current when VOUT < 2.85 V (95% of 3.0 V); used as battery-low indicator or processor reset with external pull-up. |
| 5 - VOUT | Regulated 3.0 V output | Delivers up to 100 mA with ±0.4% accuracy; requires ≥1 µF ceramic capacitor to GND for loop stability. |
Key Features
| Feature | Design Value |
|---|---|
| Low-noise CMOS architecture | 600 nV/√Hz output noise at 10 kHz - avoids interference with sensitive analog circuits like ADCs or RF receivers. |
| Fast shutdown wake-up | 60 µs typical VOUT rise time from shutdown - enables rapid system recovery in duty-cycled applications. |
| Thermal and overcurrent protection | Auto-shutdown at ~160°C die temp and current limit ~230 mA - prevents catastrophic failure during fault conditions. |
| Stable with low-ESR ceramics | Works with 1 µF ceramic output capacitor (0.01–5 Ω ESR) - eliminates need for costly tantalum or electrolytic caps. |
| Pin-compatible upgrade path | Direct replacement for legacy bipolar LDOs (e.g., LM2936) - no PCB redesign required for migration. |
Applications
| Portable Medical Sensors | Cellular Handset Power Rails |
|---|---|
Use Scenario: Continuous glucose monitor with BLE radio and low-power MCU operating from coin cell. IC Role / Device Role / Timing Role: Primary 3.0 V LDO supplying MCU core, sensor interface, and BLE transceiver. Use Value: 55 µA quiescent current extends battery life beyond 6 months; 90 mV dropout sustains regulation until battery depletes to 3.09 V. |
Use Scenario: Dual-SIM GSM phone requiring isolated 3.0 V rail for baseband processor during active call mode. IC Role / Device Role / Timing Role: Secondary LDO delivering clean 3.0 V to baseband IC, controlled by PMIC SHDN signal. Use Value: 50 dB PSRR suppresses noise from switching DC/DC converters; ERROR flag triggers graceful shutdown before brownout. |
| Handheld Test Equipment | Industrial Data Loggers |
Use Scenario: Battery-powered multimeter with LCD display and precision analog front-end. IC Role / Device Role / Timing Role: Precision 3.0 V reference source for 16-bit ADC and display driver IC. Use Value: ±0.4% output accuracy ensures measurement repeatability; thermal regulation of 0.04 V/W minimizes drift during extended use. |
Use Scenario: Remote environmental logger using LoRaWAN, powered by AA batteries for multi-year deployment. IC Role / Device Role / Timing Role: Main system regulator enabling ultra-low-power sleep cycles via SHDN control. Use Value: 0.05 µA shutdown current reduces average system draw to sub-µA level; -40°C to +125°C rating supports outdoor enclosures. |
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 | 300 mA output, 1.6 µA quiescent current, no ERROR pin, same SOT-23-5 package | Better suited for higher-current loads but lacks battery-monitoring capability | Select when >100 mA is needed and ERROR functionality is unnecessary |
| TPS76330DBVR | 150 mA output, 80 µA quiescent current, integrated thermal shutdown, same 3.0 V output | Higher IQ and no ERROR flag; requires external circuitry for low-battery detection | Choose when higher output current is prioritized over ultra-low IQ and diagnostic features |
Compared with MCP1700-3002E/TO and TPS76330DBVR, TC2055-3.0VCTTR uniquely balances 100 mA capability, 55 µA IQ, and integrated ERROR flag - making it optimal for space-constrained, battery-aware systems needing both efficiency and fault visibility.
Availability
TC2055-3.0VCTTR is available at Aetrix Electronics and suitable for portable medical sensors, cellular handset power rails, and handheld test equipment requiring stable component supply, long-term lifecycle support, and traceable sourcing.
Supply support for TC2055-3.0VCTTR 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-16949:2002 certification across wafer fabrication and design centers.
The TC205x family was designed specifically for battery-operated systems requiring high accuracy, ultra-low quiescent current, and integrated diagnostics - targeting portable instrumentation, medical wearables, and wireless communication devices.
FAQ
What is the maximum input voltage for TC2055-3.0VCTTR?
The absolute maximum input voltage for TC2055-3.0VCTTR is 6.5 V, but the recommended operating range is 2.7 V to 6.0 V. Exceeding 6.5 V risks permanent damage. For reliable 3.0 V regulation, minimum VIN must satisfy both 2.7 V and VR + dropout - so at 100 mA load, VIN must be ≥3.09 V to maintain regulation.
Does TC2055-3.0VCTTR require an external capacitor on the ERROR pin?
TC2055-3.0VCTTR does not require an external capacitor on the ERROR pin for basic out-of-regulation indication. However, when using ERROR as a processor RESET signal, a timing capacitor (C2) with pull-up resistor R1 is needed - per Figure 4-1 - to hold RESET low for ≥200 ms during brownout recovery. C2 value depends on R1 and desired timeout.
Can TC2055-3.0VCTTR operate with a 1 µF ceramic output capacitor?
Yes, TC2055-3.0VCTTR is explicitly specified to be stable with a 1 µF ceramic output capacitor having ESR between 0.01 Ω and 5 Ω. This eliminates the need for larger, higher-ESR tantalum or aluminum electrolytic capacitors - reducing board area and cost while improving reliability across temperature.
What is the function of the SHDN pin on TC2055-3.0VCTTR?
The SHDN pin on TC2055-3.0VCTTR is an active-high enable input: logic high (>60% VIN) powers up the regulator, while logic low (<15% VIN) places TC2055-3.0VCTTR into shutdown mode - disabling VOUT, tri-stating ERROR, and reducing supply current to 0.05 µA typical. If unused, SHDN must be tied to VIN.
How does the ERROR pin behave when TC2055-3.0VCTTR enters thermal shutdown?
When TC2055-3.0VCTTR enters thermal shutdown (at ~160°C die temperature), the ERROR pin asserts low - identical to its behavior during input undervoltage or overcurrent events - because VOUT falls out of regulation. The ERROR pin remains low until VOUT recovers above 95% of 3.0 V (2.85 V) plus 50 mV hysteresis (2.90 V).
TC2055-3.0VCTTR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Microchip Technology
- Series:
- -
- Package/Case:
- SC-74A, SOT-753
- 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):
- 3V
- Voltage - Output (Max):
- -
- Voltage Dropout (Max):
- 0.14V @ 100mA
- Current - Output:
- 100mA
- Current - Quiescent (Iq):
- 80 µA
- Current - Supply (Max):
- -
- PSRR:
- 50dB (100kHz)
- Control Features:
- Enable
- Protection Features:
- Over Current, Over Temperature
- Operating Temperature:
- -40°C ~ 125°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOT-23-5
TC2055-3.0VCTTR FAQ
1.How can I place an order for TC2055-3.0VCTTR through Aetrix?
Please submit a Request for Quotation (RFQ) for TC2055-3.0VCTTR 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 TC2055-3.0VCTTR reliable?
The price and inventory of TC2055-3.0VCTTR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TC2055-3.0VCTTR is usually 5 days.
3.What payment methods are accepted for TC2055-3.0VCTTR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TC2055-3.0VCTTR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TC2055-3.0VCTTR?
TC2055-3.0VCTTR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TC2055-3.0VCTTR 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 TC2055-3.0VCTTR?
For technical support, including TC2055-3.0VCTTR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TC2055-3.0VCTTR requirements.
6.How does Aetrix verify that TC2055-3.0VCTTR is sourced from the original manufacturer or authorized distributors?
All TC2055-3.0VCTTR 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 TC2055-3.0VCTTR meets industry standards.
7.What is the process for return or replacement of TC2055-3.0VCTTR?
All TC2055-3.0VCTTR units undergo pre-shipment inspection (PSI). If there is an issue with TC2055-3.0VCTTR, 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 TC2055-3.0VCTTR part is unused and in its original packaging.
Return procedure for TC2055-3.0VCTTR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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