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SC1453 Arkusz danych(PDF) 9 Page - Semtech Corporation |
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SC1453 Arkusz danych(HTML) 9 Page - Semtech Corporation |
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9 / 14 page ![]() 9 2006 Semtech Corp. www.semtech.com POWER MANAGEMENT SC1453 Dropout Voltage vs. Junction Temperature vs. Output Current Dropout Voltage vs. Output Current vs. Junction Temperature Typical Characteristics (Cont.) Bypass Start-up Rise Time vs. Junction Temperature vs. Input Voltage Enable Input Threshold Voltage vs. Junction Temperature vs. Input Voltage Reverse Battery Protection vs. Junction Temperature Output Spectral Noise Density vs. Frequency vs. Output Voltage, C OUT = 1µF 0 25 50 75 100 125 150 175 200 -50 -25 0 25 50 75 100 125 TJ (°C) IOUT = 150mA IOUT = 50mA 0 25 50 75 100 125 150 175 200 0 25 50 75 100 125 150 IOUT (mA) Top to bottom: TJ = 125°C TJ = 25°C TJ = -40°C 0.8 0.9 1.0 1.1 1.2 1.3 1.4 1.5 1.6 1.7 1.8 -50 -25 0 25 50 75 100 125 TJ (°C) CBYP = 10nF VIN = 3.8V VIN = 6.5V 0.4 0.6 0.8 1.0 1.2 1.4 1.6 -50 -25 0 25 50 75 100 125 TJ (°C) VIH @ VIN = 6.5V VIH @ VIN = 3.8V VIL @ VIN = 6.5V VIL @ VIN = 3.8V 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 -50 -25 0 25 50 75 100 125 TJ (°C) VIN = VEN = -6.5V 0.001 0.01 0.1 1 10 0.01 0.1 1 10 100 1000 f (kHz) VIN = VOUT + 1V IOUT = 1mA CIN = 1µF CBYP = 10nF TJ = 25°C Top to bottom: VOUT = 3.3V VOUT = 3.0V VOUT = 2.8V VOUT = 2.5V VOUT = 1.8V VOUT = 1.5V |
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