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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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CS8151C датащи(PDF) 1 Page - Cherry Semiconductor Corporation |
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CS8151C датащи(HTML) 1 Page - Cherry Semiconductor Corporation |
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1 / 8 page  5V, 100mA Low Dropout Linear Regulator with Watchdog, RESET, & Wake Up The CS8151C is a precision 5V, 100mA micro-power voltage regulator with very low quiescent current (400µA typ- ical at 200µA load). The 5V output is accurate within ±1% and supplies 100 mA of load current with a typical dropout voltage of 400mV. Microprocessor control logic includes Watchdog, Wake Up and . This unique combination of low quiescent current and full microprocessor con- trol makes the CS8151C ideal for use in battery operated, microprocessor con- trolled equipment. The CS8151C Wake Up function brings the microprocessor out of Sleep mode. The microprocessor in turn, signals its Wake Up status back to the CS8151C by issuing a Watchdog signal. The Watchdog logic function monitors an input signal (WDI) from the micro- processor. The CS8151C responds to the falling edge of the Watchdog signal which it expects at least once during each wake-up period. When the cor- rect Watchdog signal is received, a falling edge is issued on the wake-up signal line. is independent of VIN and operates correctly to an output voltage as low as 1V. A signal is issued in any of three situations. During power up the is held low until the output voltage is in regulation. During operation if the output voltage shifts below the regulation limits, the toggles low and remains low until proper output voltage regulation is restored. And finally, a signal is issued if the regulator does not receive a Watchdog signal within the Wake Up period. The pulse width, Wake Up sig- nal frequency, and Wake Up delay time are all set by one external capaci- tor CDelay. The regulator is protected against short circuit, over voltage, and thermal runaway conditions. The device can withstand 74 volt load dump tran- sients, making it suitable for use in automotive environments. RESET RESET RESET RESET RESET RESET RESET 1 Features Error Amplifier Thermal Shutdown VIN Bandgap Reference + - Current Limit Sense Current Source (Circuit Bias) RESET Over Voltage Shutdown Timing Circuit WATCHDOG Circuit Falling Edge Detector Sense VOUT Gnd Delay WDI RESET Circuit VOUT VOUT WAKE UP WAKE UP Circuit s 5V ±1% / 100 mA Output Voltage s Micropower Compatible Control Functions: Wake Up Watchdog s Low Dropout Voltage: 400mV @ 100mA s Low Sleep Mode Quiescent Current (400µA typ) s Protection Features: Thermal Shutdown Short Circuit 74V Load Dump Reverse Transient (-50V) RESET Package Options 8 Lead PDIP 1 VIN WDI WAKE UP RESET Delay N/C Gnd VOUT CS8151C Description Block Diagram A Company ¨ Rev. 3/17/99 Cherry Semiconductor Corporation 2000 South County Trail, East Greenwich, RI 02818 Tel: (401)885-3600 Fax: (401)885-5786 Email: info@cherry-semi.com Web Site: www.cherry-semi.com |
Аналогичный номер детали - CS8151C |
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Аналогичное описание - CS8151C |
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