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SYS-CON MEDIA Authors: Liz McMillan, Pat Romanski, Elizabeth White, Wade Williamson, Lori MacVittie

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Toshiba Launches Photovoltaic Couplers in Small-Size SO6 Packages

Toshiba Corporation’s (TOKYO:6502) Semiconductor & Storage Products Company today announced the launch of small-size SO6 package photovoltaic couplers. Mass production of the new products, “TLP3905” and “TLP3906”, starts today.

Toshiba: SO6 Package Photovoltaic Coupler (Photo: Business Wire)

Toshiba: SO6 Package Photovoltaic Coupler (Photo: Business Wire)

The structure of a photovoltaic coupler is a photorelay without a MOSFET chip. Users can create an isolated relay by combining the photovoltaic coupler with the external MOSFET of their choice. This makes it possible to realize larger voltage and current exceeding the capabilities of existing photorelay products.

The new products, “TLP3905” and “TLP3906”, while maintaining the fundamental performance of Toshiba’s current products, “TLP190B” and “TLP191B”, expand on application areas by upgrading the operating temperature up to 125 degrees Celsius (max) and the isolation voltage up to 3750Vrms (min). Also, “TLP3906” integrates a control circuit for releasing the MOSFET gate charge, realizing a much faster turn-off speed; approximately triple that of “TLP3905”. Additionally, “TLP3906” guarantees an LED trigger current to ensure VOC (min)*, making it easier to lower power dissipation of LED current. The new products are suitable for line switches in tester applications or high current control in PLC applications.

*VOC: Open circuit voltage

   

Main Specifications of New Products

         
 Product Current Products New Products
TLP190B   TLP191B TLP3905   TLP3906
Package MFSOP6 SO6(4pin)
Function

Without
discharge
resistance

With
discharge
resistance

Without
discharge
resistance

With
discharge
circuit

Term       Unit        

Open Circuit Voltage
(min)

VOC V 7 7 7 7
Short Circuit Current(min) ISC µA 12 12 12 12

Trigger LED Current
(max)

IFT mA - - - 3

Isolation Voltage
(min)

BVs Vrms 2500 3750
Switching  

Turn On
Time
(typ)

tON ms 0.2 0.2 0.3 0.2

Turn Off
Time
(typ)

  tOFF   ms 1 3 1 0.3
  Condition

IF=20mA,
RL=510kΩ,
CL=1000pF

IF=20mA
CL=1000pF

IF=10mA,
RL=510kΩ,
CL=1000pF

IF=10mA,
CL=1000pF

Safety Standard   UL, cUL  

UL, cUL,
VDE(Under application)

 

Follow this link for more on Toshiba photocouplers and photorelays.
http://www.semicon.toshiba.co.jp/eng/product/opto/coupler/index.html

Customer Inquiries:
Optoelectronic Device Sales & Marketing Department
Tel: +81-3-3457-3431

Information in this document, including product prices and specifications, content of services and contact information, is current on the date of the announcement but is subject to change without prior notice.

About Toshiba

Toshiba is a world-leading diversified manufacturer, solutions provider and marketer of advanced electronic and electrical products and systems. Toshiba Group brings innovation and imagination to a wide range of businesses: digital products, including LCD TVs, notebook PCs, retail solutions and MFPs; electronic devices, including semiconductors, storage products and materials; industrial and social infrastructure systems, including power generation systems, smart community solutions, medical systems and escalators & elevators; and home appliances.

Toshiba was founded in 1875, and today operates a global network of more than 590 consolidated companies, with 206,000 employees worldwide and annual sales surpassing 5.8 trillion yen (US$61 billion). Visit Toshiba's web site at www.toshiba.co.jp/index.htm

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