500mA LNB-Power Supply & Control Voltage Regulator, STI8036 Replace TPS65233.
STI8036
STI8036.pdf
STI8036.pdfFEATURES
• High Efficiency: Up to 90%
• Low noise output to avoid sensitivity of Can Tuner
and DISH’s LNA dropping down
• Noise 40mV@20MHz BWL
• Single chip solution on 650mVpp
• 22kHz TONE with 10µs Trise/Tfall for less
Transferring noise
• LNB Voltages (2 levels: 14V and 19V) compatible
with common standards, Push-pull output stage
minimizes 14V → 19V and 19V → 14V output
transition times
• External 22kHz TONE input
• Integrated DC/DC BOOST converter and high
efficiency (typ. 87%) with integrated Power MOSFET
• 1.0MHz Switch Frequency BOOST
• Integrated low Noise Linear Regulator
• 5.0V, 3.3V, 2.5V, 1.8V logic compatible
• Internal Short, OCP, OTP protection
• ESOP8 package
PIN CONFIGUTION
优势替代
FEATURES
• Complete Integration Solution for LNB and I2C
• DiSEqC 1.x Compatible
• Supports 5-V and 12-V Power Bus
• Up to 1000-mA Accurate Output Current Limit
Adjustable by External Resistor and I2C
• Boost Converter With Low Rdson Internal
Power Switch
• Dedicated Enable Pin for Non-I2C Application
• Low Noise, Low Drop Output With Push-Pull
• Adjustable Soft-Start and 13-V/18-V Voltage
Transition Time
• Compliant with main satellite receiver systems
Specifications
• LNB Short Circuit Dynamic Pprotection
• Diagnostics for Output Voltage Level, Input
Supply UVLO, and DiSEqC Tone Output
• Cable Disconnect Diagnostic
• Available in a 16-Pin QFN 3-mm x 3-mm (RTE)
Package
PIN CONFIGUTION
