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STEVAL-CBL006V1 bảng dữ liệu(PDF) 1 Page - STMicroelectronics |
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1 / 4 page Data Brief For further information contact your local STMicroelectronics sales office. February 2009 Rev 1 1/4 4 STEVAL-CBL006V1 Demonstation board: power supply for LNB based on the LNBH24 (QFN32) Features ■ Complete interface between LNBs and I²C bus ■ Built-in DC-DC converter for single 12 V supply (8 V to 15 V Vin range) operation and high efficiency (typ. 93%@0.5 A) ■ Compliant with main satellite receivers output voltage specification ■ Accurate built-in 22 kHz tone generator meets widely accepted standards (patent pending) ■ Fast oscillator start-up facilitates DiSEqC™ encoding ■ Built-in 22 kHz tone detector supports bidirectional DiSEqC™ 2.0 ■ Over-load and over-temperature internal protections with I²C diagnostic bits ■ Output voltage and output current level diagnostic feedback by I²C bits ■ LNB short circuit dynamic protection ■ +/- 4 kV ESD tolerant on output power pins ■ Based on LNBH24 in QFN32 package Description The demonstration board STEVAL-CBL006V1 implements a DC-DC converter based on the device LNBH24. It gives good performance in a simple and cheap way and minimum external components are required. It includes all the functions that allow the design of a dual tuner STBs with supplying/interfacing function in accordance with the international standards. It also includes an I²C bus interface and, thanks to a fully integrated step-up DC-DC converter, it works with a single input voltage supply in the range of 8 V to 15 V. STEVAL-CBL006V1 www.st.com |
Số phần tương tự - STEVAL-CBL006V1 |
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Mô tả tương tự - STEVAL-CBL006V1 |
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