Answer / karthik & chandrashekar

yes,because is ha used as a auxillary power supply means it
will generate the small voltage(+5v ,+0v, +2v) and we can't
get this small voltage in genaral dc power supplies units.

from ABB (ACS 550) PEENYA BANGALORE

Answer / ajay singh

SMPS is a AC to DC converter so its use as a dc supply.

Answer / shinyvikram ganji

smps is a kind of dc-dc converter.
smps are very sensitive and compact and they are free of
ripple content in there output.thats why there are used in
most ofthe electronics devices today.

smps also works on ac supply
ac-supply--->rectifier---->dc-dc converter--->filter---->o/p

Answer / nisha

smps stands for switched mode ( switching mode) power
supply.This can be used for both ac-dc conversion and dc-dc
conversion...so there is no doubt it can work in dc supply

Answer / sunil parmar,nirma uni.

yes,SMPS can work in a DC supply ----
simple conv. function with AC supply in SMPS

AC--step down to AC---rectified to DC---further step down
to required DC---filtered---o/p

now conversion procedure with DC supply in SMPS

DC---with the help of chopper converted to required DC---
filtered---o/p

plz vote for my answer..
for reply or disagreement mail me at
parmar20072008@yahoo.com

Answer / ali

yes as we know smps works DC

smps does two important thing

1 to channe AC to DC
2 to Reduce to volate

Answer / vikas v

Yes ,If it doesnt have input step down tfr.

Answer / raman

YES,PREVIOUSLY IT IS GETTING AC TO DC.
SMPS STANDS FOR SWITCH MODE POWER SUPLY.
IT IS NOT NORMAL POWER SUPPLY, IN NORMAL POWER SUPPLY WE
CANNOT ABLE TO GET DIFFERENT VOLTAGE AT A TIME. BUT IT IS
POSSIBLE IN SMPS WE CAN GET +5V,-5V,12V,-12V,0V ETC.

Answer / mrt

a smps is a switched mode power supply.it is a switch
between one supply to other.it can operate in AC as well as
DC

Answer / a.mitra

yes,smps works in dc supply.we know that ac means high &
low supply,but smps needs stable supply oparate,so smps
works in dc supply.(A.Mitra,ultadanga)

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