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Toshiba Semiconductor and Storage TCR2EE41,LM(CT
- Part No.:
- TCR2EE41,LM(CT
- Manufacturer:
- Toshiba Semiconductor and Storage
- Package:
- SOT-553
- Datasheet:
-
TCR2EE41,LM(CT.pdf
- Description:
- IC REG LINEAR 4.1V 200MA ESV
- Quantity:
- Payment:
- Shipping:
Inventory:222
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Product details
Overview
TCR2EE41,LM(CT from Toshiba Electronic Devices & Storage Corporation is a 4.1 V fixed-output, 200 mA CMOS low dropout regulator with on/off control input, 150 mV typical dropout (at 4.1 V/150 mA), 35 μVrms output noise, and ±60 mV load transient response (1 mA ⇔ 150 mA, COUT = 1.0 μF). It delivers stable bias for RF transceivers and precision analog front-ends in portable instrumentation.
For engineers reviewing the TCR2EE41,LM(CT datasheet, TCR2EE41,LM(CT pinout, TCR2EE41,LM(CT application, or TCR2EE41,LM(CT equivalent, key selection criteria include dropout voltage at full load, output accuracy (±1.0 % for VOUT ≥ 1.8 V), quiescent current (35 μA typ.), ceramic capacitor compatibility (CIN ≥ 0.1 μF, COUT ≥ 1.0 μF), and thermal performance in ESV (SOT-553) package.
Technical Context
The TCR2EE41,LM(CT employs a CMOS pass transistor architecture enabling ultra-low quiescent current (35 μA typ.) and fast load transient recovery (±60 mV) without external compensation. Its internal overcurrent protection and auto-discharge function ensure safe power sequencing in battery-powered systems.
It operates across −40°C to +85°C with input voltage range 1.5–5.5 V and supports ON/OFF control via a logic-level CONTROL pin (VCT(OFF) ≤ 0.4 V, VCT(ON) ≥ 1.0 V). The device requires no external components beyond input/output ceramic capacitors and features pull-down connection between CONTROL and GND.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Output voltage | Fixed 4.1 V ±1.0 % (guaranteed accuracy for stable reference-sensitive circuits) |
| Max output current | 200 mA DC (supports moderate-power analog/RF ICs without thermal derating at ambient ≤ 60°C) |
| Dropout voltage | 150 mV typ. at 4.1 V/150 mA (enables operation from 4.25 V input, e.g., single Li-ion cell post-regulation) |
| Output noise | 35 μVrms typ. (10 Hz–100 kHz, 2.5 V ref; confirms suitability for low-noise LNA/VCO biasing) |
| Load transient response | ±60 mV max (1 mA ⇔ 150 mA step, COUT = 1.0 μF; maintains signal integrity during burst-mode operation) |
| Quiescent current | 35 μA typ. at zero load (extends battery life in always-on sensor nodes) |
| Ripple rejection | 73 dB typ. at 1 kHz (suppresses switching noise from upstream DC/DC converters) |
Pinout & Package
TCR2EE41,LM(CT is housed in ESV (SOT-553) package: 1.6 mm × 1.6 mm × 0.55 mm, 3.0 mg typical weight, optimized for space-constrained portable designs.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VIN | Input supply | Accepts 1.5–5.5 V; requires ≥0.1 μF ceramic decoupling close to pin |
| VOUT | Regulated output | Delivers fixed 4.1 V; requires ≥1.0 μF ceramic output capacitor for stability |
| GND | Ground reference | Common return path for VIN, VOUT, and CONTROL; must be low-impedance plane |
| CONTROL | Enable/disable input | Logic-high (≥1.0 V) enables regulation; logic-low (≤0.4 V) disables output and activates auto-discharge |
| NC | No connect | Internally unconnected; must remain floating or grounded per layout best practice |
Key Features
| Feature | Design Value |
|---|---|
| Low dropout voltage | 150 mV typ. at 4.1 V/150 mA enables high-efficiency operation from marginal input sources |
| Auto-discharge function | Actively discharges VOUT when CONTROL = LOW, preventing residual voltage hold-up in power sequencing |
| Ceramic capacitor support | Stable with CIN = 0.1 μF and COUT = 1.0 μF (ESR < 10 Ω), eliminating need for bulk tantalum or electrolytic caps |
| High ripple rejection | 73 dB typ. at 1 kHz suppresses noise from switching regulators feeding the LDO input |
| Precision output accuracy | ±1.0 % tolerance (for VOUT ≥ 1.8 V) ensures reliable biasing of ADC references and RF synthesizers |
Applications
| Portable RF Transceiver Power | Low-Noise Analog Front-End Bias |
|---|---|
Use Scenario: Powering 2.4 GHz BLE/Wi-Fi transceivers in wearables where input is a single-cell Li-ion (3.0–4.2 V). IC Role / Device Role / Timing Role: Primary LDO delivering clean 4.1 V bias to PA, LNA, and VCO blocks. Use Value: 35 μVrms noise and ±60 mV load transient response prevent EVM degradation and carrier leakage during TX bursts. |
Use Scenario: Supplying precision op-amps and SAR ADCs in handheld test equipment with battery + boost converter input. IC Role / Device Role / Timing Role: Post-regulator isolating sensitive analog circuitry from noisy digital/switching domains. Use Value: 73 dB ripple rejection at 1 kHz attenuates switching artifacts from upstream DC/DC, preserving SNR > 90 dB. |
| Always-On Sensor Node Core | Industrial IoT Edge Controller Bias |
Use Scenario: Providing standby power to ultra-low-power microcontrollers and environmental sensors in battery-operated gateways. IC Role / Device Role / Timing Role: Always-active LDO with CONTROL pin managed by MCU to gate power to peripherals. Use Value: 35 μA quiescent current extends 10-year battery life; auto-discharge prevents leakage paths during deep sleep. |
Use Scenario: Regulating 4.1 V for FPGA I/O banks and isolated communication interfaces (RS-485, CAN) in factory automation controllers. IC Role / Device Role / Timing Role: Local point-of-load regulator ensuring stable I/O voltage despite wide industrial input fluctuations. Use Value: 150 mV dropout allows operation down to 4.25 V input, maintaining functionality during brownout conditions. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar low-noise LDO applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TCA9617A | Not applicable - TCA9617A is an I²C bus buffer, not an LDO regulator | N/A | Invalid alternative; excluded due to functional mismatch |
| TPS7A2041PDBVR | 4.1 V fixed output, 300 mA, 125 mV dropout (typ.), 6.5 μVrms noise, SOT-23-5 package | Lower noise but higher cost; requires different PCB footprint (SOT-23 vs SOT-553) | Choose if sub-10 μVrms noise is mandatory and board area permits larger package |
Compared with TCR2EE41,LM(CT, the TPS7A2041PDBVR offers lower noise and higher current but occupies more board area and lacks auto-discharge. The TCR2EE41,LM(CT provides optimal balance of ultra-small ESV packaging, integrated auto-discharge, and sufficient noise performance for RF/analog biasing at lower BOM cost.
Availability
TCR2EE41,LM(CT is available at Aetrix Electronics and suitable for portable RF transceivers, low-noise analog front-ends, always-on sensor nodes, and industrial IoT edge controllers requiring stable component supply with tight parametric consistency and long-term manufacturability.
Supply support for TCR2EE41,LM(CT 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
Toshiba Electronic Devices & Storage Corporation designs high-reliability semiconductor solutions for automotive, industrial, and consumer applications, with emphasis on energy efficiency and miniaturization.
The TCR2EE series belongs to Toshiba's CMOS LDO portfolio targeting space-constrained, battery-powered systems requiring fast transient response and ultra-low quiescent current-designed specifically for RF and precision analog power rails.
FAQ
What is the guaranteed output voltage accuracy for TCR2EE41,LM(CT?
The TCR2EE41,LM(CT guarantees output voltage accuracy of ±1.0 % over temperature (−40°C to +85°C) and load (1 mA to 150 mA) for its 4.1 V nominal output, as specified in Toshiba's Electrical Characteristics table. This accuracy ensures reliable biasing of voltage-sensitive RF and analog components without external trimming.
Does TCR2EE41,LM(CT support ceramic output capacitors?
Yes, TCR2EE41,LM(CT is fully compatible with ceramic output capacitors: minimum 1.0 μF capacitance with ESR under 10 Ω is required for stability. Input capacitor of ≥0.1 μF ceramic is also recommended. This eliminates need for larger, less reliable tantalum or aluminum electrolytic capacitors.
What is the maximum allowable input voltage for TCR2EE41,LM(CT?
The absolute maximum input voltage for TCR2EE41,LM(CT is 6.0 V. However, the recommended operating input voltage range is 1.5 V to 5.5 V per Toshiba's Operating Ranges specification. Exceeding 5.5 V risks permanent damage even if within absolute maximum ratings for short durations.
How does the CONTROL pin function on TCR2EE41,LM(CT?
The CONTROL pin on TCR2EE41,LM(CT enables logic-level on/off control: applying ≥1.0 V turns the regulator ON; applying ≤0.4 V turns it OFF and activates the internal auto-discharge circuit to rapidly deplete VOUT. An internal pull-down ensures safe default-OFF behavior if left unconnected.
What thermal limitations apply to TCR2EE41,LM(CT in ESV package?
In ESV (SOT-553) package, TCR2EE41,LM(CT has a board-mounted power dissipation rating of 320 mW (FR4, 30 mm × 30 mm × 0.8 mm, 20 mm² copper). Junction temperature must remain ≤150°C. At 200 mA load and 4.25 V input (150 mV dropout), power dissipation is ~30 mW-well within thermal limits for standard PCB layouts.
TCR2EE41,LM(CT Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Toshiba Semiconductor and Storage
- Series:
- TCR2EE
- Package/Case:
- SOT-553
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Output Configuration:
- Positive
- Output Type:
- Fixed
- Number of Regulators:
- 1
- Voltage - Input (Max):
- 5.5V
- Voltage - Output (Min/Fixed):
- 4.1V
- Voltage - Output (Max):
- -
- Voltage Dropout (Max):
- 0.2V @ 150mA
- Current - Output:
- 200mA
- Current - Quiescent (Iq):
- 60 µA
- Current - Supply (Max):
- -
- PSRR:
- 73dB (1kHz)
- Control Features:
- Enable
- Protection Features:
- Over Current
- Operating Temperature:
- -40°C ~ 85°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- ESV
TCR2EE41,LM(CT FAQ
1.How can I place an order for TCR2EE41,LM(CT through Aetrix?
Please submit a Request for Quotation (RFQ) for TCR2EE41,LM(CT 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 TCR2EE41,LM(CT reliable?
The price and inventory of TCR2EE41,LM(CT are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TCR2EE41,LM(CT is usually 5 days.
3.What payment methods are accepted for TCR2EE41,LM(CT?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TCR2EE41,LM(CT transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TCR2EE41,LM(CT?
TCR2EE41,LM(CT orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TCR2EE41,LM(CT 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 TCR2EE41,LM(CT?
For technical support, including TCR2EE41,LM(CT datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TCR2EE41,LM(CT requirements.
6.How does Aetrix verify that TCR2EE41,LM(CT is sourced from the original manufacturer or authorized distributors?
All TCR2EE41,LM(CT 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 TCR2EE41,LM(CT meets industry standards.
7.What is the process for return or replacement of TCR2EE41,LM(CT?
All TCR2EE41,LM(CT units undergo pre-shipment inspection (PSI). If there is an issue with TCR2EE41,LM(CT, 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 TCR2EE41,LM(CT part is unused and in its original packaging.
Return procedure for TCR2EE41,LM(CT:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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