DC to DC Power Supplies (Converters)
Switching Module is designed for DC/DC converters.
Press Release Summary:
Suited for mobile computers, servers, and network equipment, TB7005FL synchronous step-down converter switching module combines MOSFET gate driver IC for 5 V operation with high-side and low-side MOSFETs. This multi-chip module has input range up to 30 V, output current of 35 A, and operating frequency up to 1 MHz. At switching frequency of 750 kHz, unit achieves greater than 90% peak efficiency. Other features include built-in boot-strap switch and low-side MOSFET shutdown switch.
Original Press Release:
Toshiba 35A Synchronous Step-Down Converter Multi-Chip Module for DC-DC Converters
MCM Targeted for Use in High- and Low-power Mobile Computers, Servers and Other Equipment
IRVINE, Calif., Feb. 19 -- Toshiba America Electronic Components, Inc. (TAEC)* announced today that the company has expanded its family of power multi-chip modules (MCM) with a synchronous step-down converter switching module for various applications such as mobile computers, servers, and network equipment. The TB7005FL features output current of 35A and an operating frequency up to 1MHz, making it suitable for high-power CPUs and other point-of-load modules.
Developed by Toshiba Corp. (Toshiba), the TB7005FL module combines a new MOSFET gate driver IC for 5V operation with high-side and low-side MOSFETs produced from Toshiba UMOS V-H process technology. To maximize efficiency and performance, the low-side MOSFET minimizes on-state resistance (R(DSON)), gate-to-drain capacitance (Cgd), Cgd/Cgs ratio, and gate resistance (Rg), and the high-side MOSFET is optimized for fast switching, achieved through low gate switch charge (QSW) and gate resistance (Rg). For more information on the UMOS V-H Series, please visit http://toshiba.com/taec/adinfo/umos-v/.
A typical step-down converter on a PC motherboard may include two n-channel MOSFETs and one driver IC, per phase. "By using a compact MCM instead of individual discrete components, designers can improve efficiency by eliminating the parasitic inductances associated with the individual discrete packages as well as save significant board space," said Jeff Lo, business development manager, power devices, for TAEC. "At switching frequency of 750kHz, the TB7005FL achieves greater than 90 percent peak efficiency(1)."
The Toshiba TB7005FL MCM features a wide input voltage range up to 30V. It also includes a built-in high performance switch to drive an external boot strap capacitor and a built-in shutdown switch for the low-side MOSFET, which when set to low turns off that MOSFET. Offered in small, thin packages, the 35A Toshiba TB7005FL measures 8.0mm x 8.0mm in a QFN56 package.
Technical Specifications: TB7005FL
Input voltage rating: 30V
Control circuit supply voltage: 4.5V to 5.5V
Output current: 35A
Switching frequency: 1MHz
PWM signal input: LVTTL
Low-side MOSFET shutdown function: Built-in
Boot-strap switch: Built-in
Package size: 8mm x 8mm
Package type: QFN
Number of terminals: 56
Pricing and Availability
Samples of the 35A Toshiba TB7005FL are available now, priced at $3.50 each. Mass production is scheduled to start in CY08Q1.
Toshiba's Discrete Products
Since 1986, Toshiba Corp. has ranked as the top discrete supplier on a worldwide basis, based on annual revenue from international shipments of total discrete products. According to the most recent annual report from market research firm Gartner Dataquest (San Jose, CA), Toshiba remained the top discrete semiconductor supplier. (Source: "2006 Worldwide Semiconductor Market Share Report," Gartner, released April 2007). More specifically, Toshiba is a leading supplier in a number of discrete product categories, including power transistors, rectifiers and thyristors, LMOS logic, CMOS logic, optoelectronics, small signal diodes and transistors. The company's discrete devices are designed to meet the growing demand for high-performance and lower voltages in today's wireless telecommunications and consumer electronics applications, while emphasizing its strengths in the automotive and industrial markets.
*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, distributions and fabless chip companies worldwide. A committed electronic components leader, Toshiba designs and manufactures high-quality flash memory-based storage solutions, discrete devices, displays, advanced materials, medical tubes, custom SoCs/ASICs, digital multimedia and imaging products, microcontrollers and wireless components that make possible today's leading cell phones, MP3 players, cameras, medical devices, automotive electronics and more.
Toshiba America Electronic Components, Inc. is an independent operating company owned by Toshiba America, Inc., a subsidiary of Toshiba Corporation, Japan's largest semiconductor manufacturer and the world's fourth largest semiconductor manufacturer (iSuppli, World's Top Semiconductor Supplier Rankings in 2006). For additional company and product information, please visit http://www.toshiba.com/taec/.
Information in this press release, including product pricing and specifications, content of services and contact information, is current and believed to be accurate on the date of the announcement, but is subject to change without prior notice. Technical and application information contained here is subject to the most recent applicable Toshiba product specifications. In developing designs, please ensure that Toshiba products are used within specified operating ranges as set forth in the most recent Toshiba product specifications and the information set forth in Toshiba's "Handling Guide for Semiconductor Devices," or "Toshiba Semiconductor Reliability Handbook." This information is available at www.chips.toshiba.com/, or from your TAEC representative.
(1) Test conditions: VIN=12V, VOUT=1.3V, VCIN=5V, VGIN=5V, fc=1MHz
CONTACT: Jan Johnson of MultiPath Communications, +1-714-633-4008, jan@multipathcom.com, for Toshiba America Electronic Components, Inc.; or Poloi Lin of Toshiba America Electronic Components, Inc., +1-949-623-3098, poloi.lin@taec.toshiba.com
