LNB supply and control IC with step-up and I짼C interface

文件：1.44374 Mbytes 页数：31 Pages

STMICROELECTRONICS

意法半导体

LNB SUPPLY AND CONTROL IC WITH STEP-UP CONVERTER AND I2C INTERFACE

ST

意法半导体

LNBs supply and control IC with step-up and I2C interface

Intended for analog and digital satellite receivers/sat-TV, sat-PC cards, the LNBH23 is a monolithic voltage regulator and interface IC, assembled in PowerSSO-24 ePAD and QFN32 (5 x 5 mm.) ePAD, specifically designed to provide the 13/18 V power supply and the 22 kHz tone signalling to the LNB down- • Complete interface between LNB and I²C bus\n• Built-in DC-DC converter for single 12 V supply operation and high efficiency (typ. 93% @ 0.75 A), with integrated NMOS\n• Selectable output current limit by external resistor\n• Compliant with main satellite receiver systems specifications\n• New ;

ST

意法半导体

LNB供电和控制IC，带升压和I2C接口

Intended for analog and digital satellite receivers, the LNBH23L is a monolithic voltage regulator and interface IC, assembled in QFN32 5 x 5 specifically designed to provide the 13 / 18 V power supply and the 22 kHz tone signalling to the LNB down-converter in the antenna dish or to the multi-switc • Complete interface between LNB and I²C bus \n• Selectable output current limit by external resistor \n• Auxiliary modulation input (EXTM pin) facilitates DiSEqC™ 1.X encoding \n• Low-drop post regulator and high efficiency step-up PWM with integrated power NMOS allow low power losses \n• LNB short;

ST

意法半导体

Package：20-PowerSOIC（0.433"，11.00mm 宽）；包装：卷带（TR） 类别：集成电路（IC） 特殊用途稳压器 描述：IC REG CONV SAT 1OUT POWERSO-20

STMICROELECTRONICS

意法半导体

Package：36-PowerBSSOP（0.433"，11.00mm 宽）；包装：卷带（TR）剪切带（CT）Digi-Reel® 得捷定制卷带 类别：集成电路（IC） 特殊用途稳压器 描述：IC REG CONV SAT 2OUT POWERSO-36

STMICROELECTRONICS

意法半导体

Package：36-PowerBSSOP（0.433"，11.00mm 宽）；包装：卷带（TR）剪切带（CT）Digi-Reel® 得捷定制卷带 类别：集成电路（IC） 特殊用途稳压器 描述：IC REG CONV SAT 2OUT POWERSO-36

STMICROELECTRONICS

意法半导体