Cꢀꢁnꢂ aꢂꢀoꢃpꢁcꢂ & elꢂcꢄꢀonicꢃ Powꢂꢀ solꢅꢄionꢃ
MHF+ Sꢁꢂꢃꢄꢀ, dꢇꢅꢄ ꢅꢂꢆ tꢈꢁpꢄꢀ dC/dC Cꢉꢂꢊꢀꢈꢋꢀꢈs
28 VOꢀT ꢁꢂPꢃT – 15 WATT
SIꢀPLIFIED SCꢁEꢀATIC DIAꢂRAꢀS
5 µH
Positive
Input
Positive
Output
2 µF
I
D
PWM
Controller
FET
Driver
Limit
Inhibit
Ref.
I
C
Output
Common
Input
Common
Fi g u r e 1: MHF+ Si n g l e Ou t p u t Bl O C k Di a g r a M
0°
+5 Output
Positive
Input
FEEDBACK ISOLATOR
PWM CM
CONTROLLER
Output
Common
Input
Common
+ Aux.
Output
FEEDBACK ISOLATOR
Synv
PWM CM
CONTROLLER
180°
–Aux.
Output
Fi g u r e 2: MHF+ tr i p l e Ou t p u t Bl O C k Di a g r a M
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MHF+ rꢀꢊ l - 20091113