STEVAL-LNBH04中文资料Power supply evaluation board for LNB based on the LNBH26LS数据手册ST规格书

描述 Description

All featuresComplete interface between LNB and I²C busBuilt-in DC-DC converter for single 12 V supply operation and high efficiency (typ. 93% @ 0.5 A)Selectable output current limit by external resistorCompliant with the output voltage specifications of principal satellite receivers (15 programmable levels)Accurate built-in 22 kHz tone generator suits widely accepted standards22 kHz tone waveform integrity guaranteed also at no load condition

特性 Features

• Complete interface between LNB and I²C bus
• Built-in DC-DC converter for single 12 V supply operation and high efficiency (typ. 93% @ 0.5 A)
• Selectable output current limit by external resistor
• Compliant with the output voltage specifications of principal satellite receivers (15 programmable levels)
• Accurate built-in 22 kHz tone generator suits widely accepted standards
• 22 kHz tone waveform integrity guaranteed also at no load condition
• Low drop post regulator and high efficiency step-up PWM with integrated power N-MOS allowing low power losses
• LPM function (low power mode) to reduce dissipation
• Overload and overtemperature internal protection with I²C diagnostic bits
• LNB short-circuit dynamic protection
• ± 4 kV ESD tolerant on output power pins
• RoHS compliant

简介

STEVAL-LNBH04属于开发板套件编程器的评估板-DC/DC与AC/DC（离线）SMPS。由制造生产的STEVAL-LNBH04评估板 - DC/DC 与 AC/DC（离线）SMPS该系列产品提供了一种方便的方法，可对开关模式电源转换所用的器件（包括 DC-DC 和 AC-DC 型）进行性能或特性评估。“稳压器”（包含内部电源开关装置）和“控制器”（设计为控制外部电源开关）之类的器件均包括在内。