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SC1452XIMSTR 数据表(PDF) 9 Page - Semtech Corporation |
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SC1452XIMSTR 数据表(HTML) 9 Page - Semtech Corporation |
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9 / 15 page ![]() 9 2006 Semtech Corp. www.semtech.com SC1452 POWER MANAGEMENT Applications Information (Cont.) 3) Connect all ground connections directly to the ground plane. If there is no ground plane, connect to a common local ground point before connecting to board ground. Typical Characteristics -12 -10 -8 -6 -4 -2 0 0 25 50 75 100 125 150 IOUT (mA) TJ = 25°C TJ = -40°C TJ = 125°C VIN = VOUT + 1V Output Voltage vs. Output Current vs. Junction Temperature -12 -10 -8 -6 -4 -2 0 -50 -25 0 25 50 75 100 125 TJ (°C) VIN = VOUT + 1V Top to bottom: IOUT = 1mA IOUT = 50mA IOUT = 100mA IOUT = 150mA Output Voltage vs. Junction Temperature vs. Output Current Dropout Voltage vs. Output Current vs. Junction Temperature Dropout Voltage vs. Junction Temperature vs. Output Current 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 0.4 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 Enable Input Voltage vs. Junction Temperature vs. Input Voltage |
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