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31203  Top sales 



T= 25C

le= 300A


le= 15l
)A











IC 2UA-


31203   seller 

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31203   datasheet 

The CS51021/22/23/24 Fixed
Frequency PWM Current Mode
Controller family provides all neces-
sary features required for AC-DC or
DC-DC primary side control.
Several features are included elimi-
nating the additional components
needed to implement them external-
ly. In addition to low start-up cur-
ryent (75UA) and high frequency
operation capability, the CS51021/
22/23/24 family includes overvolt-
age and undervoltage monitoring,
externally programmable dual
31203   price 



Maximum Non Repetitive Sl_rge Current

ipiitii ruiiuwicig oucW. . I Versus Pulse Train Duration. Control


InitialT. = 1250C

.- @ 60 Hz 0.0083 s

C

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j01

lz O.(
F

)100






1
>

1


j





b



113rVff



<B Series

-Per Jundio

I I


IIII


1 10 100

KJurrber Of EquaIAmplitude HalfCyde Current Pulses (N)

Fig. 14 - Maximum Non-Repetitive Surge Current


31203   pdf 



VGE

= 1f
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j


7




- Tj

= 25


-Tj= 125IC
l l 1
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