器件名称:
SI-8120JF
功能描述:
Step-Down to 12.0 V, 1.5 A, DC/DC Converter
文件大小:
363.42KB 共9页
简 介:
g n i s r h c o it lat w S egu R SI-8120JF Step-Down to 12.0 V, 1.5 A, DC/DC Converter Designed to meet high-current requirements at high efficiency in industrial and consumer applications; embedded core, memory, or logic supplies; TVs, VCRs, and office or telecommunications equipment, the SI-8120JF dc/dc step-down (buck) converter offers a constant 125 kHz switching frequency essential for low EMI noise. The npn switch is included on the die along with the oscillator, control, and logic circuitry requiring only four external components for a regulated 12.0 V output at up to 1.5 A. A wide input voltage range and integrated thermal and overcurrent protection enhance overall system reliability. Reference accuracy and excellent temperature characteristics are provided. An output-enable input gives the designer complete control over power up, standby, or power down. This device is supplied in a fully molded TO-220-style 5-lead flange-mounted , high power, isolated plastic package. A similar device in a lower-power surface-mount plastic package is the SI-8120JD. Data Sheet 27469.52* ABSOLUTE MAXIMUM RATINGS Input Voltage, VI . . . . . . . . . . . . . 43 V FEATURES ■ 14 V to 40 V Input Range ■ 1.5 A Output Current at 12 V ■ 2% Output Voltage Tolerance ■ Foldback Current Limiting ■ Constant 125 kHz Switching Frequency ■ 200 A Maximum Standby Current ■ Soft Start Prevents Supply Voltage Dip ■ Remote Voltage Sensing ■ Thermal Protection APPLICATIONS ■ TVs, VCRs, Electronic Games ……
