DC/DC Point-of-Load Regulator has heat-dissipating design.
October 31, 2007 -
Supplied in 6.25 x 6.25 x 2.3 mm LGA SMT package, LTM8020 DC/DC uModule(TM) regulator system includes DC/DC controller IC, power switches, inductor, compensation circuitry, as well as input and output bypass capacitors. It offers switch-mode topology and does not require heatsink. This 200 mA, current mode, switching DC/DC point-of-load regulator system can be mounted on back side of circuit board, accepts input from 4-36 V, and offers adjustable output from 1.25-5 V.
(Archive News Story - Products mentioned in this Archive News Story may or may not be available from the manufacturer.)
36V(IN), 200mA DC/DC uModule Regulator Is as Simple as a Linear Regulator but with 98% Less Heat Dissipation and 190% Smaller Design Without Hot Spots
36VIN, 200mA DC/DC uModule Regulator Is as Simple as a Linear Regulator But with 98% Less Heat Dissipation and 190% Smaller Design
MILPITAS, CA - October 29, 2007 - Linear Technology Corporation introduces the LTM8020, the first in a new family of DC/DC uModule(TM) regulator systems that operate from higher voltage input supplies of up to 36V (40Vmax). The LTM8020 is a 200mA complete DC/DC solution that includes a DC/DC controller IC, power switches, inductor, compensation circuitry and input and output bypass capacitors. This solution is extremely compact at only 6.25mm x 6.25mm and low profile at 2.3mm in height. Compared to a linear regulator circuit, the LTM8020's more efficient switch-mode topology provides cooler operation, dissipating 98% less heat and occupying 190% less volume (area x height) with its compact package and no-heatsink requirement (comparison conditions: 36VIN, 1.5VOUT, 200mA, TA=25ºC). Target applications are systems with 24V and 28V input supply rails such as medical, industrial, avionics and after-market automotive.
The LTM8020 is a complete 200mA, current mode, switching DC/DC point-of-load regulator system in a 6.25mm x 6.25mm x 2.3mm LGA (Land Grid Array) surface-mount package. The package can be mounted on the back side of a circuit board, allowing more room for digital ICs on the top side. Input voltage range is from 4V to 36V and output can be adjusted with only one resistor from 1.25V to 5V. Encapsulated packaging protects the circuit components against mechanical, chemical and ambient factors, thus improving the reliability of the design. The LTM8020 is rated for operation from -40ºC to 85ºC and is ROHS compliant. Its gold-plated pads allow both Pb- and Pb-free solder to be used during board assembly.
1,000-piece pricing starts at $4.95 each.
Summary of Features: LTM8020
· Complete Switchmode DC/DC Regulator in a Surface-Mount Package
· Wide Input Voltage Range: 4V to 36V
· Wide Output Voltage Range: 1.25V to 5V
· Current Mode Operation for Fast Short-Circuit Protection
· 6.25mm x 6.25mm x 2.3mm LGA Package
About Linear Technology
Linear Technology Corporation, a manufacturer of high performance linear integrated circuits, was founded in 1981, became a public company in 1986 and joined the S&P 500 index of major public companies in 2000. Linear Technology products include high performance amplifiers, comparators, voltage references, monolithic filters, linear regulators, DC-DC converters, battery chargers, data converters, communications interface circuits, RF signal conditioning circuits, and many other analog functions. Applications for Linear Technology's high performance circuits include telecommunications, cellular telephones, networking products such as optical switches, notebook and desktop computers, computer peripherals, video/multimedia, industrial instrumentation, security monitoring devices, high-end consumer products such as digital cameras and MP3 players, complex medical devices, automotive electronics, factory automation, process control, and military and space systems. For more information, visit www.linear.com
LT, LTC, LTM and are registered trademarks and uModule is also a trademark of Linear Technology Corp.
Contacts:
Marketing:
John Hamburger Director Marketing Communications
USA
Phone: 408-432-1900 ext 2419 E-mail this person Company Information: Name: Linear Technology Corp. Address: 1630 McCarthy Blvd. City: Milpitas State: CA ZIP: 95035-7417 Country: USA Phone: 408-432-1900 FAX: 408-434-6441 http://www.linear-tech.com
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