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MIC2289-15BML Datasheet(PDF) 3 Page - Micrel Semiconductor |
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MIC2289-15BML Datasheet(HTML) 3 Page - Micrel Semiconductor |
3 / 10 page Micrel, Inc. MIC2289 July 2007 3 M9999-071007 Absolute Maximum Ratings (1) Supply Voltage (VIN).......................................................12V Switch Voltage (VSW)....................................... –0.3V to 34V Enable Pin Voltage (VEN)................................... –0.3V to VIN FB Voltage (VFB)...............................................................6V Switch Current (ISW) .........................................................2A Ambient Storage Temperature (Ts)...........–65°C to +150°C Schottky Reverse Voltage (VDA).....................................34V EDS Rating (3).................................................................. 2kV Operating Ratings (2) Supply voltage (VIN) ........................................ 2.5V to +10V Output Voltage (VIN) ............................................ VIN to VOVP Junction Temperature (TJ) ........................–40°C to +125°C Package Thermal Resistance 2mm x 2mm MLF ® (θ JA)..................................... 93°C/W Thin SOT-23-6 (θJA) ........................................177°C/W Electrical Characteristics (4) TA = 25°C, VIN = VEN = 3.6V, VOUT = 10V, IOUT = 20mA, unless otherwise noted. Bold values indicate –40°C< TJ < +125°C. Symbol Parameter Condition Min Typ Max Units VIN Supply Voltage Range 2.5 10 V VUVLO Under Voltage Lockout 1.8 2.1 2.4 V IVIN Quiescent Current VFB > 200mV, (not switching) 2.5 5 mA ISD Shutdown Current VEN = 0V (5) 0.1 1 µA VFB Feedback Voltage (±5%) 90 95 100 mV IFB Feedback Input Current VFB = 95mV –450 nA Line Regulation (6) 3V ≤ VIN ≤ 5V 0.5 1 % Load Regulation (6) 5mA ≤ IOUT ≤ 20mA 0.5 % DMAX Maximum Duty Cycle 85 90 % ISW Switch Current Limit 750 mA VSW Switch Saturation Voltage ISW = 0.5A 450 mV ISW Switch Leakage Current VEN = 0V, VSW = 10V 0.01 5 µA VEN Enable Threshold TURN ON TURN OFF 1.5 0.4 V V IEN Enable Pin Current VEN = 10V 20 40 µA fSW Oscillator Frequency 1.05 1.2 1.35 MHz VD Schottky Forward Drop ID = 150mA 0.8 1 V IRD Schottky Leakage Current VR = 30V 4 µA VOVP Overvoltage Protection MIC2289-15 MIC2289-24 MIC2289-34 13 21 30 14 22.5 32 16 24 34 V V V TJ Overtemperature Threshold Shutdown Hysteresis 150 10 °C °C Notes : 1. Absolute maximum ratings indicate limits beyond which damage to the component may occur. Electrical specifications do not apply when operating the device outside of its operating ratings. The maximum allowable power dissipation is a function of the maximum junction temperature, TJ(max), the junction-to-ambient thermal resistance, θJA, and the ambient temperature, TA. The maximum allowable power dissipation will result in excessive die temperature, and the regulator will go into thermal shutdown. 2. The device is not guaranteed to function outside its operating rating. 3. Devices are ESD sensitive. Handling precautions recommended. Human body model. 4. Specification for packaged product only. 5. ISD = IVIN. 6. Guaranteed by design |
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