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The SC4809A/B/C is a 10 pin BICMOS primary side current mode controller for use in Isolated DC-DC and off-line switching power supplies. It is a highly integrated solution, requiring few external components. It features a high frequency of operation, accurately programmable maximum duty cycle, current mode control, line voltage monitoring, supply UVLO, low s.
a high frequency of operation, accurately programmable maximum duty cycle, current mode control, line voltage monitoring, supply UVLO, low start-up current, and programmable soft start with user accessible reference. It operates in a fixed frequency, highly desirable for www.DataSheet4U.com Telecom applications. Features a separate sync pin which simplifies synchronization to an external clock. Feeding the oscillator of one device to the sync of another forces biphase operation which reduces input ripple and filter size. The SC4809A/B/C have different threshold and VREF to accommodate a wide v.
| No. | Partie # | Fabricant | Description | Fiche Technique |
|---|---|---|---|---|
| 1 | SC4809B |
Semtech Corporation |
High Performance Current Mode PWM Controller |
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| 2 | SC4809C |
Semtech Corporation |
High Performance Current Mode PWM Controller |
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| 3 | SC480 |
Semtech Corporation |
Complete DDR1/2/3 Memory Power Supply |
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| 4 | SC4806 |
Semtech Corporation |
Multiple Function Double Ended PWM Controller |
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| 5 | SC4808A |
Semtech Corporation |
High Performance Dual Ended PWM Controller |
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| 6 | SC4808B |
Semtech Corporation |
High Performance Dual Ended PWM Controller |
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| 7 | SC4808B-1 |
Semtech Corporation |
High Performance Dual Ended PWM Controller |
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| 8 | SC4808B-2 |
Semtech Corporation |
High Performance Dual Ended PWM Controller |
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| 9 | SC4808C |
Semtech Corporation |
High Performance Dual Ended PWM Controller |
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| 10 | SC4810A |
Semtech |
High Performance Current Mode PWM Controller |
|
| 11 | SC4810B |
Semtech Corporation |
High Performance Current Mode PWM Controller |
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| 12 | SC4810C |
Semtech |
High Performance Current Mode PWM Controller |
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