LM43600 Reference Design Circuit | DC-DC Converter Application Circuit

The LM43600SIMPLESWITCHER® is an easy-to-use synchronous step-down DC-DC converter that can drive load currents up to 3.0A (instantaneous 42V) from an input voltage range of 3.5V to 36V. This article mainly introduces the LM43600 features, application range, reference design circuit and circuit analysis to help you shorten the design time.

LM43600 features: 27μA or 33μA stable quiescent current; integrated synchronous rectification; synchronized with external clock frequency; soft start into pre-biased load

Typical application range of LM43600: industrial power supply; telecommunication system; AM sub-band automotive application; universal wide-band VIN voltage regulation; high efficiency load point adjustment

LM43600 Reference Design Application Circuit:

Figure 1 Internal structure of the LM43600

TheLM43600 SIMPLE SWITCHER® regulator is an easy to use synchronous step-down DC-DC converter capable of driving up to 0.5 A of load current from an input voltage ranging from 3.5 V to 36 V (42 V transient).

Figure 2LM43600 reference design

TheLM43600 SIMPLE SWITCHER® regulator is an easy to use synchronous step-down DC-DC converter that operates from 3.5 V to 36 V supply voltage. It is capable of delivering up to 0.5 A DC load current with exceptional efficiency and thermal performance in a very Small solution size. An extended family is available in 1 A, 2 A and 3 A load options in pin-to-pin compatible packages.

LM43600 Chinese data sheet: Click to download

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