TC2055-3.3VCTTR Microchip Integrated Circuit (SOT23 (5-Pin)) In Stock
The TC2055-3.3VCTTR is a fixed 3.3 V LDO linear voltage regulator from Microchip with shutdown and error flag functions, accepting input voltages from 4.3 V to 6 V with a typical dropout voltage of only 0.09 V. It is housed in a compact 5-pin SOT-23 package for low-power portable and battery-operated applications.
- Manufacturer
- Microchip
- Package
- SOT23 (5-Pin)
- Pin Count
- 5
- Lifecycle
- ACTIVE
- Datasheet
- TC2055-3.3VCTTR Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.3704(MOQ 1)
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Ultra-low dropout voltage of 0.09 V typical (0.14 V maximum) maximizes usable battery capacity in 3.3 V output designs
- Integrated shutdown and error flag outputs simplify power management and fault detection without additional supervisor ICs
- Fixed 3.3 V output in a 5-pin SOT-23 package delivers a ready-to-use regulated rail with minimal external components
Applications
The TC2055-3.3VCTTR is used to generate a stable 3.3 V regulated supply for microcontrollers, sensors, and wireless modules in portable electronics and IoT devices powered from 4-cell AA batteries or single-cell Li-ion charger outputs. Its 0.09 V typical dropout and error flag output make it well suited for low-battery detection systems requiring reliable shutdown control.
Specifications
| Pbfree Code | Yes |
| Manufacturer Package Code | SOT-23-5 |
| Factory Lead Time | 6Weeks |
| YTEOL | 8 |
| Adjustability | FIXED |
| Dropout Voltage1-Max | 0.14V |
| Dropout Voltage1-Nom | 0.09V |
| Input Voltage Absolute-Max | 6.5V |
| Input Voltage-Max | 6V |
| Input Voltage-Min | 4.3V |
| JESD-30 Code | R-PDSO-G5 |
| JESD-609 Code | e3 |
| Line Regulation-Max | 0.0165% |
| Load Regulation-Max | 0.033% |
| Number of Functions | 1 |
| Number of Outputs | 1 |
| Operating Temperature TJ-Max | 125°C |
| Operating Temperature TJ-Min | -40 °C |
| Output Current1-Max | 0.1A |
| Output Voltage1-Max | 3.366V |
| Output Voltage1-Min | 3.234V |
| Output Voltage1-Nom | 3.3V |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | TSOP5/6,.11,37 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE, LOW PROFILE, SHRINK PITCH |
| Packing Method | TR |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| 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 |
| Voltage Tolerance-Max | 2% |
| Package | SOT23 (5-Pin) |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.01 |
| Country of Origin | Malaysia, Thailand |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What is the dropout voltage of the TC2055-3.3VCTTR and why does it matter for battery-powered designs?
The TC2055-3.3VCTTR has a typical dropout voltage of 0.09 V and a maximum of 0.14 V, which means it can maintain a 3.3 V regulated output with an input as low as approximately 3.44 V. This very low dropout extends usable battery life compared to standard LDOs with 0.5 V to 1.2 V dropout, allowing a Li-ion cell to discharge further before the regulator drops out of regulation.
How does the error flag output on TC2055-3.3VCTTR simplify power sequencing in multi-rail systems?
The error flag output on the TC2055-3.3VCTTR asserts a signal when the 3.3 V output falls out of regulation, allowing a microcontroller or supervisory circuit to detect undervoltage conditions without a separate monitor IC. This built-in fault signaling supports safe power sequencing, brownout detection, and controlled shutdown in systems with multiple supply rails.
When powering a 3.3 V Wi-Fi module from a 5 V USB supply, how does TC2055-3.3VCTTR compare to a standard 1117 LDO?
The TC2055-3.3VCTTR operates with an input range of 4.3 V to 6 V and a dropout of only 0.09 V typical, compared to the 1117's typical 1.2 V dropout. For a 5 V USB input, the TC2055 dissipates approximately 0.1 W less per 100 mA of load current than the 1117, reducing heat and improving efficiency for 3.3 V Wi-Fi or BLE modules in compact 5-pin SOT-23 footprints.
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| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $0.5300 | $0.53 |
| 25+ | $0.4300 | $10.75 |
| 100+ | $0.4131 | $41.31 |
| 1500+ | $0.4050 | $607.50 |
| 2250+ | $0.3780 | $850.50 |
| 3000+ | $0.3704 | $1111.20 |
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