DC/DC Converter is offered in 6-lead ThinSOT package.

Press Release Summary:




Combining internal 42 V, 1.1 A VCESAT switch with soft-start capability, LT3467 uses constant frequency current mode architecture and operates from input voltage range of 2.4-16 V. Step-up DC/DC converter employs ceramic capacitors and inductors and 1.3 MHz constant switching frequency for low noise operation. Additional offerings include pin-to-pin compatibility with LT1930 and LT1613 and quiescent current of 1.2 mA during operation and less than 1 µA in shutdown.



Original Press Release:



High Voltage, 1.3MHz Step-Up DC/DC Converter with Soft-Start in ThinSOT



MILPITAS, CA - August 13, 2003 - Linear Technology announces the LT3467, a 1.3 MHz, step-up DC/DC converter that combines an internal 42V, 1.1A switch with soft-start capability. Using a constant frequency current mode architecture, the LT3467 operates from an input voltage range of 2.4V to 16V, making it ideal for single cell Li-Ion, 5V or 12V applications. Its internal 42V switch is well suited for boost converters with outputs up to 40V as well as SEPIC and flyback designs.

High inrush current is eliminated via an integrated programmable soft-start function, and a constant switching frequency of 1.3 MHz enables low noise operation. The combination of its ThinSOT® package and tiny, low cost ceramic capacitors and inductors, results in a cost-effective, compact solution footprint.

The LT3467 incorporates a low VCESAT, 1.1A switch to deliver efficiencies as high as 90%. It is pin-to-pin compatible with both the LT1930 and LT1613, yet offers a slightly higher current limit than the LT1930 (1.1A vs. 1A) and a higher output voltage of 40V vs. 34V for both the LT1930 and LT1613. Quiescent current is only 1.2mA during operation and less than 1uA in shutdown. The LT3467 is an ideal solution for applications such as TFT-LCD bias, xDSL, white LEDs or camera flash LEDs, which require both low noise and a tiny solution footprint.

The LT3467ES6 is available from stock in a 6-Lead ThinSOT package. Pricing starts at $1.75 each for 1,000-piece quantities.

Summary of Features: LT3467

Internal 42V, 1.1A (ISW), Low VCESAT Switch

Integrated Soft-Start

1.3MHz Constant Frequency Operation

2.4V to 16V Input Voltage Range

Pin-to-Pin Compatible with LT1930 & LT1613

1.2mA Quiescent Current, <1uA in Shutdown

6-Lead ThinSOT Package

Company Background

Linear Technology Corporation was founded in 1981 as a manufacturer of high performance linear integrated circuits. Linear Technology products include operational, instrumentation and audio amplifiers; voltage regulators,power management devices, DC-DC converters and voltage references; comparators; monolithic filters; communications interface circuits; one-chip data acquisition sub-systems; pulse-width modulators and sample-and-hold devices; and high frequency devices. Applications for Linear Technology's high performance circuits include wireless and broadband telecommunications infrastructure, cellular telephones, networking products and satellite systems, notebook and desk top computers, computer peripherals, video/multimedia, industrial and medical instrumentation, automotive electronics, factory automation, process control, military and space systems, and high-end consumer products including digital cameras, MP3 players and other electronic products.

READER SERVICE: Call toll-free 1-800-4-LINEAR (for literature only), or go to the company's web site: www.linear.com

Note: LT, AND LTC are registered trademarks of Linear Technology Corp.

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