TCR1HF33B

Low Dropout (LDO) Linear Voltage Regulator

  • Related Reference Design(1)

Data sheet

TCR1HF33B Data sheet/Japanese[Dec,2024]PDF: 2814KB

Data sheet

TCR1HF33B Data sheet/English[Dec,2024]PDF: 2504KB

Reliability Information

Reliability Data[Oct,2024]PDF: 273KB

Environment Information

Certificate Regarding EU RoHS(2011/65/EU)Controlled Substances[May,2025]PDF: 87KB

Environment Information

Certificate on Content of SVHC of REACH[May,2025]PDF: 86KB

Application Note

Basics of Low-Dropout (LDO) Regulator ICs[Feb,2025]PDF: 1298KB

Application Note

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

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

Selection Guide Small Signal 2025 Rev1.0[Feb,2025]PDF: 8498KB

Catalog

Mini catalog Introduction of Toshiba compact LDO regulators[Dec,2024]PDF: 616KB

Catalog

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

Data sheet

TCR1HF33B Data sheet/Japanese[Dec,2024]PDF: 2814KB

Data sheet

TCR1HF33B Data sheet/English[Dec,2024]PDF: 2504KB

Application Note

Basics of Low-Dropout (LDO) Regulator ICs[Feb,2025]PDF: 1298KB

Application Note

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

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

Reliability Information

Reliability Data[Oct,2024]PDF: 273KB

Environment Information

Certificate Regarding EU RoHS(2011/65/EU)Controlled Substances[May,2025]PDF: 87KB

Environment Information

Certificate on Content of SVHC of REACH[May,2025]PDF: 86KB

Catalog

Selection Guide Small Signal 2025 Rev1.0[Feb,2025]PDF: 8498KB

Catalog

Mini catalog Introduction of Toshiba compact LDO regulators[Dec,2024]PDF: 616KB

Catalog

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

Description

Application Consumer equipment / Industrial power supply / Mobile equipment / Camera/Sensor power supply / General purpose power supply
Feature Wide range input voltage / Low dropout voltage / Low quiescent current / Fast load transient response
Output Type Fixed Output
Overcurrent protection Y
Thermal shutdown Y
Inrush current reduction Y
RoHS Compatible Product(s) (#) Available

Package Information

Toshiba Package Name SOT-25 (SMV)
Package Image SMV
JEITA SC-74A
Package Code SOT-25
Pins 5
Mounting Surface Mount
Width×Length×Height
(mm)		 2.9×2.8×1.1
Package Dimensions View
Land pattern dimensions View
Ultra Librarian® CAD model
(Symbol, Footprint and 3D model)		 Download from UltraLibrarian<sup>®</sup> in your desired CAD format<br>(Note1)(Note3)

Download from UltraLibrarian® in your desired CAD format
(Note1)(Note3)
SamacSys CAD model
(Symbol, Footprint and 3D model)		 Download from SamacSys<br>(Note2)(Note3)

Download from SamacSys
(Note2)(Note3)

 Please refer to the link destination to check the detailed size.

(Note1)

Ultra Librarian® is a Registered trademark and CAD model library of EMA (EMA Design Automation, Inc.). CAD models (Symbol/Footprint /3D model) are provided by UltraLibrarian®. The footprints are generated based on the specifications of Ultra Librarian®.

(Note2)

SamacSys is a wholly owned subsidiary of Supplyframe, Inc. CAD models (Symbol/Footprint /3D model) are provided by Supplyframe, Inc. The footprints are generated based on the specifications of SamacSys.

(Note3)

Please note that the footprint dimensions may differ from the reference Land Pattern dimensions provided on our website.

Absolute Maximum Ratings

Characteristics Symbol Rating Unit
Input Voltage VIN 40 V
Power Dissipation (mounted on glass-epoxy board(25.4mm×25.4mm)) PD 580 mW

Electrical Characteristics

Characteristics Symbol Condition Value Unit
Operating Output Current (Max) IOUT - 150 mA
Operating Input Voltage * VIN - 4 to 36 V
Output Voltage (Typ.) VOUT - 3.3 V
Output Voltage Lineup VOUT - 1.8 to 5.0 V
Quiescent Current (Typ.) * IB(ON) IOUT=0mA 1.0 μA
Stand-by Current (Typ.) * IB(OFF) - 0.27 μA
Dropout Voltage (Typ.) * VDO IOUT=0.15A 510 mV
Ripple Rejection Ratio (Typ.) * R.R. f=1kHz 60 dB
Output Noise Voltage (Typ.) * VNO - 100 μVrms
Operating Temperature Topr - -40 to 125 ℃
Output Capacitance COUT - ≥0.47 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.

Document

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Oct,2024

May,2025

May,2025

Orderable part number

Orderable part number
(example)		 MOQ(pcs) Reliability
Information		 RoHS Note
TCR1HF33B,LM 3000 Yes General Use

Reference Design

PCB photo example of Power multiplexer circuit
Power multiplexer circuit
In this reference design, a Power multiplexer circuit with 2 input and 1 output is implemented on a small PCB. MOSFET gate driver ICs, eFuse ICs, zener diodes and small package MOSFETs selected from Toshiba's diverse lineup are used create ideal diode like characteristics with BBM and MBB switching.
Details

Applications

Programmable Logic Controller
Such as high functionality, low power consumption and miniaturization are important in designing programmable
logic controller (PLC). Toshiba provides information on a wide range of semiconductor products suitable for power sullpy units, input and output module units, control signal transmission units, etc., along with circuit configuration examples.
Details

Technical inquiry

Contact us

Contact us

Frequently Asked Questions

FAQs

Notes

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