Toshiba Introduces New CMOS LDO Voltage Regulators

Housed in Industry's Smallest Package; Capable of Driving up to 300mA

IRVINE, Calif., June 30, 2016 — (PRNewswire) —   Toshiba America Electronic Components, Inc. ( TAEC)*, a committed leader that collaborates with technology companies to create breakthrough designs, today announced a new series of low drop-out voltage regulator products – the TCR3DG series. The TCR3DG series has high output voltage accuracy with multiple built-in functions such as over current limit protection, thermal shutdown, output auto-discharge, and inrush current reduction. These features make the TCR3DG series able to be used in various applications that require high performance LDO regulators in small packages.

Toshiba's new CMOS LDO voltage regulators are suitable for portable applications that require high-density board assembly.

Small ceramic input and output capacitors can be used with the TCR3DG series, making these devices suitable for portable applications that require high-density board assembly such as Wi-Fi® 2 chip sets for smartphones and tablets, power supplies for cameras, and wireless power control for wearables, laptops, digital video cameras, storage equipment and set-top boxes.

The TCR3DG series are CMOS general-purpose single-output voltage regulators with an on/off control input, and feature low drop-out voltage, low output noise voltage and low inrush current. Toshiba's new voltage regulators are housed in an WCSP4E package (0.645×0.645 mm, t: 0.44 mm), which is the smallest available*1, and have an output current of up to 300 mA. In spite of their small size, the TCR3DG series is able to achieve output voltage accuracy of one percent (1%) and extremely low drop-out voltage.

Key Features

  • Low drop-out voltage: VIN-VOUT = 160mV (Typ.) at 3.2V-output, IOUT = 300mA
  • Low output noise voltage: VNO = 38 μVrms (Typ.) at 2.5 V-output, IOUT = 10 mA, 10 Hz <= f <= 100 kHz
  • Fast load transient response
  • High ripple rejection
  • Over current protection
  • Thermal shutdown function
  • Inrush current protection circuit
  • Auto-discharge function
  • Pull down connection between CONTROL and GND

Main Specifications                                                                                                 
(@T a=25°C)

Part number

Package

Output voltage (V)

Input voltage (V)

Quiescent current typ. (µA)*3

Ripple rejection ratio

typ. (dB)*3

Drop-out voltage typ. (mV*3

Name

Size (mm)

@VOUT =1.0 V, IOUT =0 mA

@VOUT =2.5 V, IOUT =10 mA, f=1 kHz

@3.2 VVOUT <3.6 V, IOUT =300 mA

TCR3DG series*4

WCSP4E

0.645×0.645, t: 0.44

1.0 to 4.5

1.75 to 5.5

65

70

160

TCR3DM series*5

DFN4

1.0×1.0, t: 0.58

1.0 to 4.5

1.75 to 5.5

65

70

180

TCR3DF series*5

SOT-25

2.9×2.8, t: 1.1

1.0 to 4.5

1.8 to 5.5

65

70

200

Pricing and Availability
Toshiba's new CMOS LDO voltage regulators are available now. Please contact your local Toshiba Sales Office for samples.

*1: By an output current 300 mA LDO regulator, as of December 2015, from a survey by Toshiba.
*2: Wi-Fi is a registered trademark of Wi-Fi Alliance.
*3: Common measuring test condition (Unless otherwise specified)    @VIN=VOUT+1 V, CIN=1.0 μF, COUT=1.0 μF, Tj=25°C
*4: New product
*5: TCR3DM series and TCR3DFseries are existing products

*About TAEC
Through proven commitment, lasting relationships and advanced, reliable electronic components, Toshiba enables its customers to create market-leading designs. Toshiba is the heartbeat within product breakthroughs from OEMs, ODMs, CMs, VARs, distributors and fabless chip companies worldwide.  A committed electronic components leader, Toshiba designs and manufactures high-quality flash memory-based storage solutions, solid state drives (SSDs), hard disk drives (HDDs), solid state hybrid drives (SSHDs), discrete devices, custom SoCs/ASICs, imaging products, microcontrollers, wireless components, mobile peripheral devices, advanced materials and medical tubes that make possible today's leading smartphones, tablets, cameras, medical devices, automotive electronics, industrial applications, enterprise solutions and more.

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