データシートサーチシステム |
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CS1107 データシート(PDF) 3 Page - ON Semiconductor |
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CS1107 データシート(HTML) 3 Page - ON Semiconductor |
3 / 4 page CS1107 http://onsemi.com 3 CIRCUIT DESCRIPTION The CS1107 relay driver IC provides up to 350 mA of drive current in a low–side configuration. The Output driver pin is controlled through the TTL compatible Control input pin. A high condition on the Control pin turns the output pin on. The Fault pin reports short circuit, open circuit, and overtemperature conditions on the IC. If a fault is present, the open collector output Fault pin will be low. Typical numbers for faults are: exceeding 500 mA of drive current will report a short circuit. Less than 40 mA (typical) will report an open circuit. A temperature fault will be reported when the die temperature exceeds 180 °C (typical). Faults are only reported when the Control pin is high, due to the low quiescent current when the Control pin is low and the output device is turned off. Overcurrent protection is provided by duty cycle control. When the Output current exceeds the current limit threshold, the output enters duty cycle mode to reduce power dissipation of the IC to a safe level. The higher the threshold is exceeded the lower the duty cycle becomes. A 33 V on–chip zener diode on the Output pin protects the device from flyback pulses when a relay is turned off. The saturation voltage of this pin will not exceed 1.5 V at 350 mA. CMODULE(ESD) Figure 2. Applications Diagram 10 nF 20 k VCC VBAT VCC Output Fault Control GND GND GND GND CS1107 microprocessor |
同様の部品番号 - CS1107 |
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同様の説明 - CS1107 |
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