поискавой системы для электроныых деталей |
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CS8121YTFVA5 датащи(PDF) 4 Page - Cherry Semiconductor Corporation |
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CS8121YTFVA5 датащи(HTML) 4 Page - Cherry Semiconductor Corporation |
4 / 8 page 4 Typical Performance Characteristics: continued Precision Voltage Reference The regulated output voltage depends on the precision band gap voltage reference in the IC. By adding an error amplifier into the feedback loop, the output voltage is maintained within ±4% over temperature and supply vari- ation. Output Stage The composite PNP- NPN output structure (Figure 1) provides 1A (typ) of output current while maintaining a low drop out voltage (1.2V) and drawing lit- tle quiescent current (4mA). The NPN pass device prevents deep saturation of the output stage which in turn improves the ICÕs efficiency by prevent- ing excess current from being used and dissipated by the IC. Output Stage Protection The output stage is protected against overvoltage, short circuit and thermal runaway conditions (Figure 2). Voltage Reference and Output Circuitry VOUT VIN IOUT VOUT VIN Load Dump Short Circuit Thermal Shutdown > 30V Figure 1. Composite Output Stage of the CS8121 Circuit Description 3.5 3.0 2.5 2.0 1.5 1.0 0.5 0.0 0 0.1 -40 °C 25 °C 125 °C VIN = 14V 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 IOUT 1.0 Quiescent Current vs. Output Current Over Temperature 22.0 20.0 16.0 12.0 8.0 4.0 0.0 10.0 8.0 6.0 4.0 2.0 0.0 0.0 1.0 2.0 3.0 4.0 5.0 5.5 Supply Voltage VOUT IQ Output Voltage and Supply Current vs. Input Voltage 2000 1800 1600 1400 1200 1000 800 600 400 200 0 1 5 10 15 20 25 30 35 40 VIN = 5V Reset Output Current (mA) RESET Output Voltage vs. Output Current Figure 2. Typical Circuit Waveforms for Output Stage Protection. |
Аналогичный номер детали - CS8121YTFVA5 |
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Аналогичное описание - CS8121YTFVA5 |
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