LTC3616 voltage regulator circuit
The LTC3616 is a low quiescent current monolithic synchronous buck regulator . The LTC3616 use a current mode, constant frequency architecture. The LTC3616 regulator operates from 2.25V to 5.5V input supply voltage range that makes it ideally suited for single Li-Ion as well as fixed low voltage input applications.
The operating frequency is externally programmable up to 4MHz, allowing the use of small surface mount inductors.
The LTC3616 will provide an maximum output current up to 6A . The output voltage provided by the LTC3616 can be adjusted down to 0.6 volts . Also the circuit offer high efficiency , up to 95% requiring few external components .
Other features of the LTC3616 regulator are : low output ripple burst mode operation ( IQ = 75μA ) , ±1% output voltage accuracy , low dropout operation (100% duty cycle ) , programmable slew rate on SW node reduces noise and EMI , adjustable switching frequency ( up to 4MHz ) , optional active voltage positioning (AVP) with
internal compensation , selectable pulse-skipping/forced continuous/burst mode operation with adjustable burst clamp , programmable soft-start ,
As you can see in this example power supply electronic circuit based on LTC3616 you can obtain high output current and efficiency using few external components .
This power supply circuit will provide 2.5 output voltage at a maximum output current of 6 ampers , using an input voltage between 2.7 and 5.5 volts .
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