48V/12V DC/DC for automotive dual-rails offers bidirectional power flows
IC

48V/12V DC/DC for automotive dual-rails offers bidirectional power flows

LTC3871 is a 100V/30V bidirectional two phase synchronous buck or boost controller, for 48V/12V automotive dual battery systems; it provides bidirectional DC/DC control and battery charging between the 12V and 48V boardnets, operating in buck mode from the 48V bus to the 12V bus or in...

Continue Reading
3647
Views
0 Comments
Intersil’s Switching Regulators Adopted in Huawei P9 Smartphone
IC

Intersil’s Switching Regulators Adopted in Huawei P9 Smartphone

Intersil announces the adoption of its latest family of buck-boost switching regulators in one of Huawei's newest smartphone. The ISL91110 buck-boost switching regulator powers the Huawei P9 smartphone's key system peripherals providing excellent efficiency and performance....

Continue Reading
2874
Views
0 Comments
25V, 600 mA buck-boost DC/DC with 1.6 µA Iq
IC

25V, 600 mA buck-boost DC/DC with 1.6 µA Iq

LTC3130 and LTC3130-1 are synchronous current mode buck-boost converters that deliver up to 600 mA of continuous output current from a wide variety of input sources, including single- or multiple-cell batteries as well as solar panels and supercapacitors. By Graham Prophet @...

Continue Reading
3379
Views
0 Comments
Power supply IC packs eight buck regulators
IC

Power supply IC packs eight buck regulators

Aimed at systems requiring multiple low-voltage supplies, Linear Technology’s LTC3374A can be configured to supply two to eight independent regulated outputs with 15 possible output-current configurations. Each of the eight synchronous 1-A buck converters is powered from an...

Continue Reading
3523
Views
0 Comments
How to Improve Buck Converter Light Load Efficiency with an LDO
Power supply

How to Improve Buck Converter Light Load Efficiency with an LDO

By Michael Hartshorne @ digikey.com: Designing a DC/DC converter that only consumes micro amps of current at no load can be compared to fueling a muscle car with lighter fluid – you may get it to work, but it won’t be easy. High efficiency at full load currents is commonplace in...

Continue Reading
3347
Views
0 Comments
Buck regulator accepts 3.0-V to 42-V input
IC

Buck regulator accepts 3.0-V to 42-V input

Linear Technology Corporation announces the LT8608, a 1.5A, 42V input synchronous step-down switching regulator. A unique synchronous rectification topology delivers 93% efficiency while switching at 2MHz enabling designers to avoid critical noise-sensitive frequency bands, such as AM...

Continue Reading
3155
Views
0 Comments
Basic Switching Voltage Regulator Tutorial
Power

Basic Switching Voltage Regulator Tutorial

James Lewis @ baldengineer.com discuss about switching regulator types and uses. A switching voltage regulator is one of my favorite circuits. In school, they were the first circuits I built where I understood how transistors worked. In fact, they were the first circuit I saw an...

Continue Reading
5126
Views
0 Comments
LTC7813 – Low IQ, 60V Synchronous Boost+Buck Controller
IC

LTC7813 – Low IQ, 60V Synchronous Boost+Buck Controller

Linear Technology Corporation introduces the LTC7813, a dual output (boost + buck), low quiescent current synchronous DC/DC controller. When cascaded, its independent step-up (boost) and step-down (buck) controllers regulate the output voltage from an input voltage that can be above,...

Continue Reading
3620
Views
2 Comments
Archives