15V, 300mA Synchronous Buck Converters with Only 1.8µA Quiescent Current

28th November 2011
Posted By : ES Admin
15V, 300mA Synchronous Buck Converters with Only 1.8µA Quiescent Current
Linear Technology announces the LTC3103 and the LTC3104, 15V, fixed frequency synchronous buck converters capable of delivering 300mA of continuous current to output voltages from 0.6V to 13.8V. The LTC3103 consumes just 1.8µA of quiescent current, while the LTC3104 (which offers a 10mA programmable LDO output) requires only 2.6µA of quiescent current. These devices are ideal for a wide range of battery-powered applications including industrial control power, remote sensor networks, low power wireless systems and energy harvesting applications. Both devices operate from an input voltage range of 2.5V to 15V facilitating operation from a wide range of input sources, including single- or multi-cell batteries, supercapacitors and system rails.
The LTC3103 and LTC3104 operate at a fixed 1.2MHz switching frequency and utilize synchronous rectification to deliver efficiencies as high as 95%. For applications that demand low noise, both the LTC3103 and LTC3104 can operate in a “forced continuous mode” where the part will operate at the 1.2MHz switching frequency. The device can also be commanded to automatically transition from fixed frequency to Burst Mode operation to achieve high efficiency over an extremely wide range of load currents. Internal compensation, small-footprint DFN and MSOP packages and fixed 1.2MHz switching frequency enable the use of just a few tiny external components to offer very compact solution footprints. An accurate, programmable RUN comparator offers the user flexibility in programming at what input voltage the part will be enabled. Other features include Power Good, integrated soft-start, and over-temperature protection.

You must be logged in to comment

Write a comment

No comments

Sign up to view our publications

Sign up

Sign up to view our downloads

Sign up

Sensor+Test 2019
25th June 2019
Germany Nürnberg Messe
The Digital Healthcare Show 2019
26th June 2019
United Kingdom EXCEL, London
unbound london 2019
17th July 2019
United Kingdom Old Truman Brewery, London
DSEI 2019
10th September 2019
United Kingdom EXCEL, London
EMO Hannover 2019
16th September 2019
Germany Hannover