VIN=20~57V
VOUT=57V
Power Output =32W
Duty (VIN 57V) = 10%
Duty(VIN 20V) = 34%
Efficiency (VIN 57V) =77%
Efficiency (VIN 20V) =88%
How could I tune duty for increase the efficiency (VIN 57V) ?
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VIN=20~57V
VOUT=57V
Power Output =32W
Duty (VIN 57V) = 10%
Duty(VIN 20V) = 34%
Efficiency (VIN 57V) =77%
Efficiency (VIN 20V) =88%
How could I tune duty for increase the efficiency (VIN 57V) ?
HI
可以的,要改变压器,可以把最大占空比设计到接近50%。(最好匝比,感量等都需要改)
Hi
大于50%就要考虑谐波补偿,这个会增加设计难度和成本。