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SC185JEVB Datasheet(PDF) 7 Page - Semtech Corporation |
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SC185JEVB Datasheet(HTML) 7 Page - Semtech Corporation |
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7 / 18 page  SC185 © 2010 Semtech Corp. Typical Characteristics Efficiency (Forced PWM) Efficiency (PSAVE Enabled) Total Loss (Forced PWM) Circuit Conditions: C IN= 22uF/6.3V, COUT= 2 x 22uF/6.3V, CSS= 10nF. Unless otherwise noted, L= 1.0uH (TOKO: FDV0530S-1R0). Efficiency 60% 65% 70% 75% 80% 85% 90% 95% 100% 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 Output Current (A) VIN=5.0V;VOUT=3.3V TA= 25°C VIN=5.0V;VOUT=1.5V VIN=3.3V;VOUT=1.5V Load Regulation (Forced PWM) R DS(ON) Variation vs. Input Voltage R DS(ON) Variation vs. Temperature RDSON (P & N) Variation over Line -10% -5% 0% 5% 10% 15% 20% 25% 30% 35% 2.5 3.0 3.5 4.0 4.5 5.0 5.5 Input Voltage (V) ILX= ±100mA TA= 25°C N-Channel P-Channel RDSON (P & N) Variation Over Temperature -20% -15% -10% -5% 0% 5% 10% 15% 20% -40 -15 10 35 60 85 Ambient Temperature (°C) VIN= 5.0V ILX= ±100mA N-Channel P-Channel Total Loss 0 400 800 1200 1600 2000 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 Output Current (A) TA=25°C VIN=5.0V;VOUT=3.3V VIN=5.0V;VOUT=1.5V VIN=3.3V;VOUT=1.5V 60% 65% 70% 75% 80% 85% 90% 95% 100% 0.0 0.1 1.0 10.0 Output Current (A) TA = 25oC Vin = 5V, Vout = 3.3V Vin = 3.3V, Vout = 1.5V Vin = 5V, Vout = 1.5V -0.60% -0.50% -0.40% -0.30% -0.20% -0.10% 0.00% 0.10% 0.20% 0.30% 0.40% 0.50% 0.60% 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 Output current (A) Vin = 5.0V, Vout = 3.3V TA = 25oC Vin = 3.3V, Vout = 1.5V Vin = 5V, Vout = 1.5V www.semtech.com 7 |
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