5V/12V/15V or Adjustable, High-Efficiency, Low IQ, Step-Up DC-DC Controllers

General Description The MAX770–MAX773 step-up switching controllers provide 90 efficiency over a 10mA to 1A load. A unique current-limited pulse-frequency-modulation (PFM) control scheme gives these devices the benefits of pulse-width-modulation (PWM) converters (high efficiency at heavy loads)

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MAXIM

美信

Package PLCC32

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ZMD

3 WATT GLASS ZENER DIODES

FEATURES ● Microminiature package. ● Voidless hermetically sealed glass package. ● Triple layer passivation. ● Metallurgically bonded. ● High performance characteristics. ● Stable operation at temperature to 200°C ● Very low thermal impedance.

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MICROSEMI

美高森美

Photologic Reflective Object Sensors

Description The OPB760N series of reflective assemblies feature Photologic® output. This electrical output can be specified as either TTL Totem Pole or TTL Open Collector. Either may be supplied with inverter or buffer output polarity. All have the added stability of a built-in hysteresis ampli

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OPTEK