Datasheet Details
| Part number | A8285 |
|---|---|
| Manufacturer | Allegro MicroSystems |
| File Size | 464.81 KB |
| Description | LNB Supply and Control Voltage Regulator |
| Datasheet |
 A8285 Datasheet
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General Description
Intended for analog and digital satellite receivers, the LNB (low noise block) converter regulator is a monolithic linear and switching voltage regulator, specifically designed to provide power and interface signals to an LNB downconverter, via coaxial cable.
Key Features
- LNB selection and standby function.
- Provides up to 500 mA load current.
- Two-wire serial I2C interface.
- Built-in tone oscillator, factory-trimmed to 22 kHz; facilitates DiSEqC™ 2.0 encoding.
- Auxiliary modulation input.
- 22 kHz tone detector facilitates DiSEqC™ decoding (A8287 only).
- Tracking switch-mode power converter for lowest dissipation.
- LNB overcurrent protection and diagnostics.
- Internal overtemperature protec.