ISL9491
ISL9491 is Single Output LNB Supply Voltage Regulator manufactured by Renesas.
Features
- Single Chip Power Solution
- Operation for 1-Tuner/1-Dish Applications
- Switch-Mode Power Converter for Lowest Dissipation
- Boost PWMs with >92% Efficiency
- Pin Controllable Enable and Output
- 2.5V/3.3V/5V Logic patible
- FAULT Signal
- DIRECTV SWM pliant
- VSET Pin to Toggle between Vertical and Horizontal
Polarizations
- External Tone Input
- Internal Overcurrent and Over-Temperature
Protection
- Pb-Free (ROHs pliant)
Applications
- LNB Power Supply and Control for Satellite Set-Top Box
Pin Configuration
ISL9491, ISL9491A (16 LD QFN) TOP VIEW
EXTM EN VSW...