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STI8036B

500mA LNB-Power Supply & Control Voltage Regulator

产品详细信息

特性
说明

· 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

Intended for analog and digital satellite  receivers/sat-TV, sat-OC cards, the STI8036B is a  monolithic voltage regulator and interface IC,  packaged in ESOP8, specifically designed to provide  the 14V/19V power supply with high efficiency and  the 22kHz TONE signaling to the LNB downconverter in the antenna dish or to the multi-switch  box. STI8036B consists of a BOOST converter and a  low-noise linear regulator along with the circuitry  required for TONE injection and pin controllable  interface. The device makes the total LNB supply  design simple, efficient and compact with low  external component count  The external modulation input (TONE pin) can  accept a tome modulated DiSEqC command and  transfer it symmetrically to the output to meet  DiSEqC 1.x protocol

STI8036B
意大利贵宾会
STI8036B

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