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MP2119 Datasheet(PDF) 3 Page - Monolithic Power Systems |
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MP2119 Datasheet(HTML) 3 Page - Monolithic Power Systems |
3 / 12 page MP2119 – 2A, 6V SYNCHRONOUS STEP-DOWN SWITCHING REGULATOR MP2119 Rev. 0.94 www.MonolithicPower.com 3 4/22/2011 MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited. © 2011 MPS. All Rights Reserved. ELECTRICAL CHARACTERISTICS (5) VIN = VEN = 3.6V, TA = +25°C, unless otherwise noted. Parameters Condition Min Typ Max Units Supply Current VEN = VIN VFB = 0.85V 750 µA Shutdown Current VEN = 0V, VIN = 5V 1 µA IN Undervoltage Lockout Threshold Rising Edge 2.59 2.69 V IN Undervoltage Lockout Hysteresis 210 mV Regulated FB Voltage TA = +25°C 0.776 0.800 0.824 V FB Input Current VFB = 0.85V ±50 nA EN High Threshold -40°C ≤ TA ≤ +85°C 1.6 V EN Low Threshold -40°C ≤ TA ≤ +85°C 0.4 V Internal Soft-Start Time 120 µs High-Side Switch On-Resistance ISW = 300mA 100 mΩ Low-Side Switch On-Resistance ISW = –300mA 100 mΩ SW Leakage Current VEN = 0V; VIN = 5V VSW = 0V or 5V –10 10 µA BS Under Voltage Lockout Threshold 1.8 V High-Side Switch Current Limit Sourcing TBD 3.5 A Low-Side Switch Current Limit Sinking 3.5 A Oscillator Frequency 1.2 1.5 1.8 MHz Maximum Synch Frequency 2 MHz Minimum Synch Frequency 1 MHz Minimum On Time 50 ns Maximum Duty Cycle 90 % POK Upper Trip Threshold FB respect to the nominal value 10 % POK Lower Trip Threshold FB respect to the nominal value -10 % POK Output Voltage Low ISINK = 5mA 0.4 V POK Deglitch Timer 30 µs Thermal Shutdown Threshold Hysteresis = 20°C 150 °C Note: 5) Production test at +25°C. Specifications over the temperature range are guaranteed by design and characterization. |
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