Product category:
Power Supply ICs and Controllers
News Release from: Linear Technology Corp | Subject: LTC3610
Edited by the Electronicstalk Editorial
Team on 16 November 2007
Buck regulator boosts efficiency up to
95%
High-efficiency synchronous buck regulator delivers up to 12A of continuous output current at voltages as low as 0.6V.
New from Linear Technology, the LTC3610 is a high-efficiency synchronous buck regulator that can deliver up to 12A of continuous output current at voltages as low as 0.6V It operates from an input voltage of 4 to 24V (28V maximum), making it ideal for applications with multiple-cell Li-ion packs, lead-acid batteries or fixed voltage rails up to 24V
This article was originally published on Electronicstalk on 28 Jul 2004 at 8.00am (UK)
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Its valley current control architecture delivers very low duty cycle operation at high frequencies with excellent transient response.
The operating frequency is set by an external resistor.
Switching frequencies of up to 1MHz allow the use of small, low cost ceramic capacitors and low profile inductors.
The LTC3610 uses internal switches with on-resistances of only 12 and 6.5mohm to deliver efficiencies as high as 95%.
The LTC3610 can be configured for discontinuous or forced continuous operation.
Forced continuous operation reduces noise and RF interference while discontinuous mode provides high efficiency by reducing switching losses at light loads while requiring only 900uA of quiescent current.
No load quiescent current is only 15uA.
Additional features include a power good voltage monitor, adjustable current limit, output overvoltage protection and programmable soft-start.
The LTC3610 is available from stock in a 64-lead 9 x 9mm QFN package.
Pricing starts at US $8.50 in 1000-piece quantities. Request a free brochure from Linear Technology Corp ...
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