Toshiba Debuts New Series of CMOS-LDO Regulators for Mobile Devices

Featuring Low Noise Output and the Industry's Highest Level of Drop-Out Voltage in an Ultra-Small Package

IRVINE, Calif., Sept. 25, 2012 — (PRNewswire) — Toshiba America Electronic Components, Inc., (TAEC)*, a committed leader that collaborates with technology companies to create breakthrough designs, today announced the introduction of a new lineup of CMOS-LDO regulators for mobile devices.  The new lineup features Toshiba's newly developed micro CMOS process and offers the highest level of drop-out voltage in the industry.  The new regulators also achieve low noise output, low consumption current and excellent load transient response.

CMOS-LDO regulators have become the power management ICs of choice for mobile devices, as they enable a low profile, low supply current and low dropout.  Toshiba's new TCR2EN, TCR2EE, TCR2EF, and TCR2DG series utilize a newly developed micro CMOS process, which helps the regulators to significantly improve the tradeoff between characteristics and size.  Toshiba's TCR2DG is a 200mA output single LDO regulator which achieves a low-noise output of 18uV(rms) (2.5V output), excellent ripple rejection ratio 62dB at a high frequency (2.5V output, f = 10kHz), excellent responsibility under high-speed loads of output voltage differences = +65mV (IOUT = 1mA to 150mA, COUT = 1.0uF), and low drop-out characteristics of 80mV (2.5V output, IOUT = 100mA).  By using an ultra-small (0.79mm × 0.79mm × 0.5mm) WCSP4 package, this LDO regulator is suitable for applications requiring high-density packaging, such as mobile devices.

In addition to overcurrent protection, output auto-discharge, and other basic functions, the new lineup of 200mA output LDO regulators control inrush current, making them suitable for a wide range of applications including mobile phones, portable audio players, notebook PCs, DSC/DVC, and other small mobile devices.

According to Talayeh Saderi, senior business development engineer for TAEC, "An ideal power management solution for mobile devices using battery power, CMOS LDOs provide space conscious designers with cost effective performance advantages – all while extending battery life."

Features include:

TCR2EN Series

  • Contributes to space saving with the industry's smallest class package
  • Output can be fixed in a range from 1.2V to 3.6V in 50mV steps
  • Low bias current (IB = 35uA (max.) at IOUT = 0mA)
  • Excellent load transient response
  • Overcurrent protection
  • Inrush current control

Lineup of TCR2EN Series (SDFN4, 0.8mm × 0.8mm × 0.38mm)

Part number

Output voltage

TCR2EN12

1.2V

TCR2EN18

1.8V

TCR2EN28

2.8V

TCR2EN29

2.9V

TCR2EN30

3.0V

TCR2EE and TCR2EF Series

  • Low drop-out voltage
  • Low output noise voltage
  • Load transient response characteristics
  • Low bias current
  • High ripple removal rate
  • Output voltage lineup: 1.0 to 3.6V (Fixed output type)
  • High output voltage accuracy: +1.0 percent (VOUT > 1.8V)
  • Built-in auto discharge function and pull-down control terminal connection

Lineup of TCR2EE, TCR2EF Series

Part number

Output voltage

SOT553 (ESV)

SOT-25 (SMV)

TCR2EE10

TCR2EF10

1.0V

TCR2EE11

TCR2EF11

1.1V

TCR2EE12

TCR2EF12

1.2V

TCR2EE13

TCR2EF13

1.3V

TCR2EE18

TCR2EF18

1.8V

TCR2EE28

TCR2EF28

2.8V

TCR2EE30

TCR2EF30

3.0V

TCR2EE33

TCR2EF33

3.3V


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