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Product attributes Property Value
Manufacturer Toshiba Semiconductor and Storage
Product Series TCR3DF
Packaging Cut Tape (CT) | Tape & Reel (TR)
Output Configuration Positive
Output Type Fixed
Number of Regulators 1
Voltage - Input (Max) 5.5V
Voltage - Output (Min/Fixed) 2.8V
Voltage - Output (Max) -
Voltage Dropout (Max) 0.27V @ 300mA
Current - Output 300mA
Current - Quiescent (Iq) 65 µA
Current - Supply (Max) 78 µA
PSRR 70dB (1kHz)
Control Features Enable
Protection Features Over Current, Over Temperature
Operating Temperature -40°C ~ 85°C
Grade -
Qualification -
Mounting Type Surface Mount
Package / Case SC-74A, SOT-753
Supplier Device Package SMV
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The Toshiba TCR3DF28,LM(CT is a fixed 2.8V LDO regulator delivering 300mA. With an ultra-low 65 µA quiescent current and 0.27V dropout, it excels in battery-powered designs. The 70dB PSRR at 1kHz ensures clean output, and the SMV package offers a compact footprint.

  • Ultra-Low Quiescent Current: 65 µA extends battery life significantly in standby mode.
  • Low Dropout Voltage: 0.27V at 300mA allows operation from nearly depleted batteries.
  • High PSRR: 70dB at 1kHz filters switching noise from upstream converters.
  • Compact SMV Package: Saves PCB space in miniaturized devices.

Battery-Powered Wearables

65 µA quiescent current and 0.27V dropout maximize battery life in fitness bands and smartwatches.

Portable Medical Monitors

70dB PSRR at 1kHz ensures clean power for ECG and blood pressure monitoring circuits.

Wireless Sensor Networks

Low quiescent current enables years of operation on coin cells for environmental sensors.

Bluetooth Low Energy Modules

Stable 2.8V rail for BLE SoCs, with 300mA supporting transmit bursts.

Camera Modules

Provides clean 2.8V for image sensors, reducing noise in captured images.

Portable Audio Players

Low noise and high PSRR improve audio quality in MP3 players and DACs.

Q: What is the output voltage of the TCR3DF28,LM(CT?
A: The fixed output voltage is 2.8V.
Q: What is the maximum output current?
A: It can supply up to 300mA.
Q: What is the dropout voltage?
A: Dropout is 0.27V at 300mA.
Q: What is the quiescent current?
A: Quiescent current is 65 µA, very low for battery applications.
Q: What package is available?
A: It comes in an SMV package (SOT-23-5 style).
Q: What is the PSRR?
A: PSRR is 70dB at 1kHz.
Base Product Number : TCR3DF28
2.8V 300mA LDO Linear Regulator Low Dropout Low Quiescent Current SMV Toshiba
Q: What is the output voltage of the TCR3DF28,LM(CT?
A: The fixed output voltage is 2.8V.
Q: What is the maximum output current?
A: It can supply up to 300mA.
Q: What is the dropout voltage?
A: Dropout is 0.27V at 300mA.
Q: What is the quiescent current?
A: Quiescent current is 65 µA, very low for battery applications.
Q: What package is available?
A: It comes in an SMV package (SOT-23-5 style).
Q: What is the PSRR?
A: PSRR is 70dB at 1kHz.