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Toshiba Semiconductor and Storage TCR2EF33,LM(CT
- Part No.:
- TCR2EF33,LM(CT
- Manufacturer:
- Toshiba Semiconductor and Storage
- Package:
- SC-74A, SOT-753
- Description:
- IC REG LINEAR 3.3V 200MA SMV
- Quantity:
Unit Price:$0
Ext Price:$0
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Product Details
TCR2EF33,LM(CT - 3.3 V, 200 mA Low-Dropout Regulator
Toshiba TCR2EF33,LM(CT is a fixed 3.3 V, 200 mA low-dropout linear regulator with control input and automatic output discharge in a five-pin SOT-25 (SMV) package.
Electrical limits, pin assignment, package, marking, and orderable identity were checked against Toshiba's current TCR2EF/TCR2EE data sheet and the TCR2EF33 manufacturer product page.
Overview
The TCR2EF33 provides a fixed 3.3 V rail from a 1.5 V to 5.5 V input and supports up to 200 mA output current. It combines low quiescent current, low-dropout operation, overcurrent protection, a logic control input, and automatic output discharge. Ceramic input and output capacitors can be used.
Key Advantages
Fixed 3.3 V output
The output is factory-set, eliminating an external feedback divider.
200 mA capability
The regulator supports compact point-of-load rails within its electrical and thermal limits.
Low operating current
Quiescent current is 35 microamperes typical at zero load.
Controlled shutdown
The CONTROL input and automatic discharge support rail sequencing and power-down behavior.
Feature Summary
Low dropout
For 3.0 V to 5.0 V output versions, dropout at 150 mA is 150 mV typical and 200 mV maximum.
High output accuracy
The 3.3 V device is specified to plus or minus 1 percent at the stated 25 degrees C condition.
Integrated protection
Overcurrent protection helps limit stress during output overloads.
Ceramic-capacitor operation
Toshiba specifies at least 0.1 microfarad at VIN and 1.0 microfarad at VOUT.
Package & Footprint
Toshiba identifies the package as five-pin SOT-25 (SMV), JEITA SC-74A, measuring approximately 2.9 mm by 2.8 mm by 1.1 mm. The catalog records SC-74A and SOT-753 aliases; the SC-74A registry image matches the five-lead body style.
- Use Toshiba's current SMV mechanical drawing and reference land pattern.
- Verify pin-1 orientation and the VOUT/GND/CONTROL/VIN mapping.
- Place CIN and COUT close to the regulator with short ground paths.
- Evaluate board-level dissipation and derating for the intended ambient temperature.
Pin Functions
The SMV SOT-25 assignment below follows Toshiba's top-view drawing.
The CONTROL pin has an internal pulldown. Leaving it open keeps the regulator off.
Key Specifications
| Manufacturer | Toshiba Electronic Devices & Storage |
|---|---|
| Regulator type | Fixed-output low-dropout linear regulator |
| Nominal output | 3.3 V |
| Output-voltage accuracy | +/-1.0% at the stated 25 degrees C condition |
| Operating input voltage | 1.5 V to 5.5 V |
| Operating output current | Up to 200 mA, subject to dropout and thermal limits |
| Dropout at 150 mA | 150 mV typical, 200 mV maximum for 3.0 V to 5.0 V output versions |
| Quiescent current | 35 microamperes typical, 60 microamperes maximum at zero load |
| Standby current | 0.1 microampere typical, 1.0 microampere maximum |
| Line regulation | 1 mV typical, 15 mV maximum under the stated condition |
| Load regulation | 15 mV typical, 30 mV maximum from 1 mA to 150 mA |
| Control thresholds | ON: 1.0 V to 5.5 V; OFF: 0 V to 0.4 V |
| Operating temperature | -40 degrees C to +85 degrees C |
| Package | Five-pin SOT-25 (SMV), JEITA SC-74A, approximately 2.9 mm by 2.8 mm by 1.1 mm |
Unless otherwise stated, Toshiba's electrical table uses VIN equal to VOUT plus 1 V, 50 mA load, 0.1 microfarad input capacitance, 1.0 microfarad output capacitance, and a 25 degrees C junction temperature.
Replacement Considerations
A replacement must preserve the fixed 3.3 V output, 200 mA requirement, SOT-25 footprint, exact five-pin mapping, input range, CONTROL thresholds and pulldown behavior, automatic discharge, dropout limit, capacitor requirements, and temperature range. SOT-23-5 and SC-74A devices are not automatically pin-compatible.
No internal replacement link is asserted without an exact API-confirmed catalog match and engineering review.
Manufacturer Information
Toshiba lists TCR2EF33,LM as a general-use, RoHS-compatible orderable part with a 3,000-piece MOQ. TCR2EF identifies the SMV SOT-25 family, 33 identifies the 3.3 V output, LM is the manufacturer orderable suffix, and Toshiba documents top marking 3N3.
Applications
Analog rails
Supply low-noise analog blocks from a compact 3.3 V regulator.
RF support circuits
Use the high-rejection family architecture for sensitive local supply rails.
Consumer electronics
Power small controllers, sensors, interfaces, and peripheral devices.
Sequenced power
Use CONTROL and automatic discharge to coordinate startup and shutdown.
Quality & Authenticity
Confirm the registered TCR2EF33,LM(CT ordering string, Toshiba TCR2EF33,LM core identity, 3N3 marking, five-pin SMV dimensions, reel label, lead finish, and lot traceability during incoming inspection. Package appearance alone does not establish authenticity.
FAQ
What output does TCR2EF33 provide?
It is the fixed 3.3 V member of Toshiba's TCR2EF series.
What load current is supported?
The operating range extends to 200 mA, subject to dropout, board dissipation, and temperature limits.
Can CONTROL be left open?
No for normal ON operation. Its internal pulldown keeps the regulator off when CONTROL is open.
What capacitors are required?
Toshiba specifies at least 0.1 microfarad at VIN and 1.0 microfarad at VOUT; ceramic capacitors may be used.
What package is used?
The device uses Toshiba's five-pin SMV SOT-25 package, identified by JEITA as SC-74A.
Engineering Notice
Validate dropout margin, control sequencing, auto-discharge behavior, effective capacitance, load transients, and thermal derating in the final design. Do not operate continuously near maximum electrical or thermal ratings, and use Toshiba's current SMV footprint rather than assuming interchangeability from the package aliases alone.
TCR2EF33,LM(CT Information
- Specifications
- Tags
- Product attributes
- Attribute value
- Manufacturer:
- Toshiba Semiconductor and Storage
- Series:
- TCR2EF
- 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):
- 5.5V
- Voltage - Output (Min/Fixed):
- 3.3V
- 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:
- SMV
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