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MIC2287C Datasheet(PDF) 3 Page - Micrel Semiconductor |
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MIC2287C Datasheet(HTML) 3 Page - Micrel Semiconductor |
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3 / 9 page  February 2006 3 M0510-020906 MIC2287C Micrel Absolute Maximum Ratings(1) Supply Voltage (VIN) .....................................................12V Switch Voltage (VSW) ......................................–0.3V to 37V Enable Pin Voltage (VEN) ................................... –0.3 to VIN FB Voltage (VFB) .............................................................6V Switch Current (ISW)........................................................ 2A Ambient Storage Temperature (TS).......... –65°C to +150°C ESD Rating(3) ............................................................... 2kV Operating Ratings(2) Supply Voltage (VIN)..........................................2.5V to 10V Junction Temperature Range (TJ) ............ –40°C to +105°C Package Thermal Impedance 2mm × 2mmMLF™ (θJA) .....................................93°C/W Thin SOT-23-5 (θJA) .........................................256°C/W Electrical Characteristics(4) TA = 25°C, VIN = VEN = 3.6V, VOUT = 10V, IOUT = 10mA, unless otherwise noted. Bold values indicate –40°C < TJ < 105°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 (±10%) 85 95 105 mV IFB Feedback Input Current VFB = 95mV –450 nA Line Regulation(6) 3V ≤ VIN ≤ 5V 0.5 % 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 1.5 V TURN OFF 0.4 V IEN Enable Pin Current VEN = 10V 20 40 µA fSW Oscillator Frequency 1.05 1.2 1.35 MHz VOVP Overvoltage Protection MIC2287CBML- 15 only 11.5 14 16.5 V MIC2287CBML- 24 only 19 22.5 26 V MIC2287CBML- 34 only 27 32 37 V TJ Overtemperature 150 °C Threshold Shutdown Hysteresis 10 °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. This device is not guaranteed to operate beyond its specified operating ratings. 3. Devices are inherently ESD sensitive. Handling precautions required. Human body model. 4. Specification for packaged product only. 5. ISD = IVIN. 6. Guaranteed by design |
Similar Part No. - MIC2287C_11 |
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Similar Description - MIC2287C_11 |
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