TPS65235-1 Description
Designed for analog and digital satellite receivers, the TPS65235-1 is a monolithic voltage regulator with I2C interface; specifically to provide the 13-V to 18-V power supply and the 22-kHz tone signal to the LNB down converter in the antenna dish or to the multi-switch box. The device offers a plete solution with minimum ponent count, low power dissipation together with simple design and I2C standard interface.
TPS65235-1 Key Features
- plete integrated solution for LNB and I2C interface
- DiSEqC 2.x, and DiSEqC 1.x patible
- Supports 5-V, 12-V, and 15-V power rail
- Up to 1000-mA accurate output current limit
- Boost switch peak current limit proportional to LDO
- Boost converter with 140-mΩ low Rds(on) internal
- Boost switching frequency 1-MHz or 500-kHz
- Audible noise avoided at force PWM mode
- Dedicated enable pin for non-I2C application
- Low-dropout (LDO) regulator with push-pull output