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SC1454XIMSTR Datasheet(PDF) 10 Page - Semtech Corporation |
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SC1454XIMSTR Datasheet(HTML) 10 Page - Semtech Corporation |
10 / 14 page 10 2005 Semtech Corp. www.semtech.com SC1454 POWER MANAGEMENT Typical Characteristics (Cont.) Quiescent Current vs. Junction Temperature vs. Output Current Quiescent Current vs. Junction Temperature vs. Input Voltage Enable Input Voltage vs. Junction Temperature vs. Input Voltage Sense/Select Threshold Voltage vs. Junction Temperature vs. Input Voltage Bypass Start-up Rise Time vs. Junction Temperature vs. Input Voltage Output Spectral Noise Density vs. Frequency vs. Output Voltage 0 25 50 75 100 125 150 175 200 -50 -25 0 25 50 75 100 125 TJ (°C) IOUTA = IOUTB = 150mA Top to bottom: VIN = 6.5V VIN = 5V VIN = 3.8V 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 = 4V VIL @ VIN = 6.5V VIL @ VIN = 4V 0 10 20 30 40 50 60 70 80 -50 -25 0 25 50 75 100 125 TJ (°C) VIN = 6.5V VIN = 3.8V 0.00 0.25 0.50 0.75 1.00 1.25 1.50 1.75 2.00 -50 -25 0 25 50 75 100 125 TJ (°C) CBYP = 10nF VIN = 6.5V VIN = 3.8V 0 25 50 75 100 125 150 175 200 -50 -25 0 25 50 75 100 125 TJ (°C) VIN = 6.5V IOUTA = IOUTB = 150mA IOUTA or IOUTB = 150mA 0.01 0.1 1 10 0.01 0.1 1 10 100 1000 f (kHz) VIN = VOUT + 1V IOUT = 50mA CIN = 1µF CBYP = 10nF COUT = 2.2µF TJ = 25°C Top to bottom: VOUT = 3.3V VOUT = 3.0V VOUT = 2.8V VOUT = 2.5V VOUT = 1.8V |
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