TCR3UM31A

Low Dropout (LDO) Linear Voltage Regulator

Data sheet

TCR3UM31A Data sheet/Japanese[Nov,2024]PDF: 1330KB

Data sheet

TCR3UM31A Data sheet/English[Nov,2024]PDF: 783KB

Application Note

LDO Regulator Application to Power Supplies for High-Frequency Circuits[Apr,2022]PDF: 3288KB

Application Note

Basics of Low-Dropout (LDO) Regulator ICs[Mar,2021]PDF: 1296KB

Application Note

LDO Regulators Glossary[Mar,2021]PDF: 341KB

Application Note

Dual power supply LDO Regulators for Low Drop Out and Low Loss at low Voltage[Mar,2021]PDF: 790KB

Application Note

Concept of self-heating of LDOs and selection guide[Mar,2021]PDF: 739KB

Application Note

Improving the Load Transient Response of LDOs[Mar,2021]PDF: 1162KB

Application Note

Simple Guide to Improving Ripple Rejection Ratio of LDO Regulators[Mar,2021]PDF: 1249KB

Application Note

Mechanism of LDO Oscillation and Reducing the Susceptibility to Oscillation[Mar,2021]PDF: 1375KB

Application Note

LDO Regulator Application to Power Supply Circuits for Digital Cores of CMOS Image Sensors[Oct,2020]PDF: 2482KB

Application Note

LDO Regulator Application to Power Supply Circuits for MCUs[Oct,2020]PDF: 2575KB

Catalog

Mini catalog Introduction of Toshiba compact LDO regulators[Aug,2024]PDF: 612KB

Catalog

Selection Guide Small Signal 2024 Rev2.0[Jul,2024]PDF: 15538KB

Catalog

Mini catalog Toshiba's circuit protection solutions and switch solutions[Aug,2023]PDF: 523KB

Data sheet

TCR3UM31A Data sheet/Japanese[Nov,2024]PDF: 1330KB

Data sheet

TCR3UM31A Data sheet/English[Nov,2024]PDF: 783KB

Application Note

LDO Regulator Application to Power Supplies for High-Frequency Circuits[Apr,2022]PDF: 3288KB

Application Note

Basics of Low-Dropout (LDO) Regulator ICs[Mar,2021]PDF: 1296KB

Application Note

LDO Regulators Glossary[Mar,2021]PDF: 341KB

Application Note

Dual power supply LDO Regulators for Low Drop Out and Low Loss at low Voltage[Mar,2021]PDF: 790KB

Application Note

Concept of self-heating of LDOs and selection guide[Mar,2021]PDF: 739KB

Application Note

Improving the Load Transient Response of LDOs[Mar,2021]PDF: 1162KB

Application Note

Simple Guide to Improving Ripple Rejection Ratio of LDO Regulators[Mar,2021]PDF: 1249KB

Application Note

Mechanism of LDO Oscillation and Reducing the Susceptibility to Oscillation[Mar,2021]PDF: 1375KB

Application Note

LDO Regulator Application to Power Supply Circuits for Digital Cores of CMOS Image Sensors[Oct,2020]PDF: 2482KB

Application Note

LDO Regulator Application to Power Supply Circuits for MCUs[Oct,2020]PDF: 2575KB

Catalog

Mini catalog Introduction of Toshiba compact LDO regulators[Aug,2024]PDF: 612KB

Catalog

Selection Guide Small Signal 2024 Rev2.0[Jul,2024]PDF: 15538KB

Catalog

Mini catalog Toshiba's circuit protection solutions and switch solutions[Aug,2023]PDF: 523KB

Description

Application IOT/Wearable equipment / Mobile equipment / Camera/Sensor power supply
Feature Low quiescent current / Fast load transient response / Small package
Output Type Fixed Output
Overcurrent protection Y
Thermal shutdown Y
Auto-discharge Y
Inrush current reduction Y
RoHS Compatible Product(s) (#) Available

Package Information

Toshiba Package Name DFN4E
Package Image DFN4E
Pins 4
Mounting Surface Mount
Width×Length×Height
(mm)		 1.0×1.0×0.58
Package Dimensions 보기
Land pattern dimensions 보기
CAD data
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Absolute Maximum Ratings

Characteristics Symbol Rating Unit
Input Voltage VIN 6.0 V
Power Dissipation (mounted on glass-epoxy board(40mm×40mm)) PD 420 mW

Electrical Characteristics

Characteristics Symbol Condition Value Unit
Operating Output Current (Max) IOUT - 300 mA
Operating Input Voltage * VIN - 1.5 to 5.5 V
Output Voltage (Typ.) VOUT - 3.1 V
Output Voltage Lineup VOUT - 0.8 to 5.0 V
Output Voltage Accuracy (±) * - - 1.0 %
Quiescent Current (Typ.) * IB(ON) IOUT=0mA 0.34 μA
Stand-by Current (Typ.) * IB(OFF) - 0.03 μA
Dropout Voltage (Typ.) * VDO IOUT=0.3A 196 mV
Ripple Rejection Ratio (Typ.) * R.R. f=1kHz 70 dB
Output Noise Voltage (Typ.) * VNO - 41 μVrms
Operating Temperature Topr - -40 to 85 ℃
Output Capacitance COUT - ≥1.0 μF

 *: Representative value, Please refer to the datasheet for details.

Purchase and Sample
Please contact one of Toshiba's official distributors or the nearest Toshiba sales office.
You can search for and purchase a small on-line sample by clicking on the following link.

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