降压开关稳压器

SI-8005Q 为内置有功率MOSFET内置的降压型开关稳压器集成电路。\n采用电流控制方式，输出电容可以采用超低 ESR陶瓷 电容。\n作为开关稳压器，具有过电流保护、欠压动作停止、过热保护等保护功能。\n此外还具有软启动功能，以防止启动时的冲击电流。\n通过外置电容，可以设定软启动的时间。\n此外还具有通过外部信号来控制IC开关的功能，EN 端子输入控制信号来开启和关闭 SI-8005Q。\n芯片采用内侧带散热片的小型薄型 HSOP8 封装。\n另外，SI-8105QL 采用 DIP8 封装，以支持 Flow 贴装/电源基板（单面基板）。 ・DIP8 封装\n・采用电流控制方式\n・输出电流 3.5A\n・高效率：90%（TYP，Vo＝5V 时）\n・内置基准振荡器 (350kHz)\n・内置垂下型过电流保护与过热保护电路\n・内置软启动电路\n・内置on/off功能(高电平有效)\n・“off”期间电流消耗低;

Current Mode Control Step-down Switching Mode Regulator ICs

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Current Mode Control Step-down Switching Mode

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6-Pin DIP Optoisolators for Power Supply Applications(No Base Connection)

6-Pin DIP Optoisolators for Power Supply Applications(No Base Connection) The MOC8101, MOC8102, MOC8103, MOC8104 and MOC8105 devices consist of a gallium arsenide LED optically coupled to a silicon phototransistor in a dual–in–line package. • Closely Matched Current Transfer Ratio (CTR) Minimize

400 MHz QUADRATURE MODULATOR FOR DIGITAL MOBILE COMMUNICATION

DESCRIPTION The µPC8105GR is a sillicon monolithic integrated circuit designed as quadrature modulator for digital mobile communication systems. This modulator housed in a 16 pin plastic SSOP that is easy to install and contributes to miniaturizing the system. The device has power save function

UP-CONVERTER WITH AGC FUNCTION QUADRATURE MODULATOR IC FOR DIGITAL MOBILE COMMUNICATION SYSTEMS

DESCRIPTION The UPC8125GR is a Silicon MMIC manufactured with the NESAT IIITM silicon bipolar process. The IC consists of a 1.8 - 2.0 GHz upconverter with AGC function and a 220 - 270 MHz IQ modulator. The device operates over a wide 2.7 - 5.5 V supply voltage range and features a power save func

UP CONVERTER WITH AGC FUNCTION QUADRATURE MODULATOR IC FOR DIGITAL MOBILE COMMUNICATION SYSTEMS

DESCRIPTION The µPC8129GR is a silicon monolithic integrated circuit designed as indirect quadrature modulator for digital mobile communication systems. This modulator consists of 0.8 GHz to 1.9 GHz up-converter and 100 MHz to 400 MHz quadrature modulator which are packaged in 20 pin SSOP. The de

Single Chip Transceiver Silicon MMIC for PHS

DESCRIPTION The µPC8139GR-7JH is a silicon microwave monolithic IC (SiMMIC) developed as a transceiver for Personal Handyphone System (PHS). This IC is a highly integrated single chip, suitable for PHS, including a quadrature modulator, up converter, and AGC circuit for adjusting the output leve