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| Partname: | ISL6421A |
| Description: | Single Output LNB Supply and Control Voltage Regulator with I2C Interface for Advanced Satellite Set-top Box Designs |
| Manufacturer: | Intersil Corp. |
| Datasheet: | PDF (405K).
Click here to download *) |
The input to the linear regulator is derived from the current mode boost converter, such that the required voltage is the sum of the output voltage and the linear regulator drop (1.0V typical). This ensures that the power dissipation is minimized and maintains a constant voltage drop across the linear pass element, while permitting an adequate voltage range for tone injection. |
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Click here to download ISL6421A Datasheet*) |
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