·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 750mVpp typcially
·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
·CPC8 package
Intended for analog and digital satellite receivers/sat-TV, sat-OC cards, the TMI8100 is a monolithic voltage regulator and interface IC, packaged in CPC8, 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. TMI8100 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.
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