Key facts
- Brand
- Intersil
- Model
- ISL6423
- Category
- Other Electronics
- Documents
- 2
- Languages
- EN
- Last added
- 2012-03-28
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Intersil ISL6423B Data Sheet
The ISL6423B is a highly integrated voltage regulator and I²C‑controlled interface IC designed to power and control low‑noise blocks (LNBs) in advanced satellite set‑top box modules. It combines a current‑mode boost PWM converter with a low‑noise linear regulator, providing selectable 13.3 V or 18.3 V outputs and a built‑in 22 kHz tone oscillator for DiSEqC encoding.
Key features include >92 % boost converter efficiency, 750 mA continuous output current, programmable over‑current limits, and full I²C register control for diagnostics, standby mode, and output selection. The device is offered in QFN and EPTSSOP packages and is RoHS‑compliant.
Intersil ISL6423 specifications
| Selectable Output Voltage | 13.3 V or 18.3 V |
|---|---|
| Continuous Output Current | 750 mA |
| Boost Converter Efficiency | >92 % |
| Temperature Range | -40 °C to +150 °C |
Source: Intersil ISL6423B Data Sheet
All Intersil ISL6423 documents by type
Ratings, dimensions and ordering codes, for selection and design work.
Questions answered in these manuals
What is the maximum continuous output current of the ISL6423B?
The device can deliver up to 750 mA of continuous output current.
How is the ISL6423B configured and controlled?
All functions are controlled via the I²C bus by writing 8‑bit words to system registers, which can also be read back for diagnostics.
What is the maximum continuous output current of the ISL6423?
The device can provide up to 750 mA of continuous output current.
How is the ISL6423 controlled?
All functions are controlled via the I²C bus by writing 8‑bit words to system registers.