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SC4501MLTRT Datasheet(PDF) 2 Page - Semtech Corporation |
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SC4501MLTRT Datasheet(HTML) 2 Page - Semtech Corporation |
2 / 21 page 2 © 2005 Semtech Corp. www.semtech.com POWER MANAGEMENT SC4501 Absolute Maximum Rating Electrical Characteristics Exceeding the specifications below may result in permanent damage to the device, or device malfunction. Operation outside of the parameters specified in the Electrical Characteristics section is not implied. Parameter Test Conditions Min Typ Max Unit Undervoltage Lockout Threshold 1.3 1.4 V Maximum Operating Voltage 16 V Feedback Voltage T A = 25°C 1.224 1.242 1.260 V -40°C < T A < 85°C 1.217 1.267 V Feedback Voltage Line Regulation 1.5V < V IN < 16V 0.01 % FB Pin Bias Current 40 80 nA Error Amplifier Transconductance 60 µΩ−1 Error Amplifier Open-Loop Gain 49 dB COMP Source Current V FB = 1.1V 5 µA COMP Sink Current V FB = 1.4V 5 µA V IN Quiescent Supply Current V SHDN = 1.5V, VCOMP = 0 ( Not Switching ) 1.1 1.6 mA V IN Supply Current in Shutdown V SHDN = 0 10 18 µA Switching Frequency 1.3 1.5 1.7 MHz Maximum Duty Cycle 85 90 % Minimum Duty Cycle 0 % Switch Current Limit 2 2.8 A Switch Saturation Voltage I SW = 2A 220 350 mV Unless specified: V IN = 2V, SHDN = 1.5V, ROSC = 7.68kΩ, -40°C < TA = TJ < 85°C Parameter Symbol Typ Units Supply Voltage V IN -0.3 to 18 V SW Voltage V SW -0.3 to 32 V FB Voltages V FB -0.3 to 2.5 V SHDN Voltage V SHDN -0.3 to V IN + 1 V Operating Temperature Range T A -40 to +85 °C Thermal Resistance Junction to Ambient (MSOP-8) θ JA 40 °C/W Thermal Resistance Junction to Ambient (MLPD-10) θ JA 40 Maximum Junction Temperature T J 160 °C Storage Temperature Range T STG -65 to +150 °C Lead Temperature (Soldering)10 sec T LEAD 260 °C ESD Rating (Human Body Model) ESD 2000 V |
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