A smaller value of L results in higher current ripple and output voltage ripple as well as greater core losses. Larger values of L decrease the ripple, but require finding physi- cally larger inductors since maximum DC current rating decreases significantly as inductance increases within inductor product types. Generally, by choosing the de- sired ripple current based on the maximum output cur- rent,the inductorvalue can be calculated from the previous equation. It is typical to choose the inductor so that the ripple current is about 40% of the maximum output
J2N805 Price| RG =iiooi VGE = 15V VCC =480V | | | | | | | | | | | | | | | |
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| iiii IC= 2.5r\ | |
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J2N805 on stock 0.1 1 10 100 RESET COMPARATOR OVERDRIVE VOLTAGE (% OF VRTX) 2900 G20
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| I 1t l I l | | | | | | | |
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| 1 | | | | | | | coss |
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| | | 1250C | | r | | | | | | |
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| | | | | | 250C | j | | | | |
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| | | | | | | VGS= 5V |
| | | | | | PULSE DURATION = 800:s |
| | | | | | DUTY CYCLE " 0.5% - IIIII |
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