PMIC
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STI8036 is a monolithic voltage regulator and interface IC used in analog and digital satellite receivers, satellite TV, satellite OC cards, etc., in ESOP8 package. STI8036 design output optional: 14V/19V power supply, high efficiency, with 22kHz TONE signal can be sent to the frequency converter or multi-way switch box under the LNB in the antenna dish. STI8036 has a built-in BOOST converter and a low-noise linear regulator.The noise is 40mV@20MHz BWL. The low noise output avoids Can Tuner sensitivity and DISH LNA degradation, and the efficiency is as high as 90%.
| Features | 650mVpp single chip solution; 22kHz TONE, 10µs Trise/Tfall less pass-through noise; LNB voltage (Grade 2: 14V and 19V) compatible with universal standards, push-pull output stage; minimized 14V → 19V and 19V → 14V Output; external 22kHz TONE input; integrated DC/DC BOOST converter and high integrated power MOSFET efficiency (87% typical) |
| Switching frequency | 1.0MHzIntegrated low-noise linear regulator |
| Working voltage | 5.0V, 3.3V, 2.5V, 1.8V logic compatible |
| Short circuit protection | internal short circuit, OCP, OTP protection |
| Packaging | ESOP8 |
| Applications |
LNB power supply for DVB-S/S2/ABS Digital set-top box satellite tv card |
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