ST LNBH221PD-TR

转换器，模拟和数字式卫星信号 STB 接收器/SatTV8V ~ 15V13.3V，18V

Overview

LNBH221/1TM with pin details manufactured by ST. The LNBH221/1TM is available in SOP Package, is part of the IC Chips.

LNBH221PDT with circuit diagram manufactured by ST. The LNBH221PDT is available in SOP-36 Package, is part of the PMIC - Voltage Regulators - Special Purpose.

Features

• All the features are the same for both section

• The complete and independent interface between LNBS and relevant I2C bus

• Built-in DC-DC controller for single 12 V supply operation and high efficiency (Typ. 93 % @ 500 mA)

• LNB output is currently guaranteed up to 500 mA

• Both compliant with EUTELSAT and direct output voltage specification accurate built-in 22 kHz tone oscillator suits widely accepted standards

• Fast oscillator start-up facilitates DiSEqC? encoding

• Built-in 22 kHz tone detector supports bidirectional DiSEqC? 2.0

• Semi-low-drop post regulator and high-efficiency step-up PWM for low power loss: Typ. 0.56 W @ 125 mA

• Overload and over-temperature internal protections

• Overload and over-temperature I2C diagnostic bits

• LNB short circuit SOA protection with I2C diagnostic bit

• +/- 4 kV ESD tolerant on input/output power pins

Applications

• General Uses 

• Industrial