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MIC5255-2.8YM5 Datasheet(PDF) 4 Page - Micrel Semiconductor |
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MIC5255-2.8YM5 Datasheet(HTML) 4 Page - Micrel Semiconductor |
4 / 13 page Micrel, Inc. MIC5255 November 2006 4 M9999-110906 Absolute Maximum Ratings (1) Supply Voltage (VIN)............................................. 0V to +7V Enable Voltage (VEN)............................................ 0V to +7V Power Dissipation (PD)........................... Internally Limited (3) Junction Temperature (TJ) ........................–40°C to +125°C Storage Temperature (Ts) .........................–60°C to +150°C Lead Temperature (soldering, 5 sec.)........................ 260°C EDS Rating (4).................................................................. 2kV Operating Ratings (2) Supply Voltage (VIN)........................................ +2.7V to +6V Enable Voltage (VEN).............................................. 0V to VIN Junction Temperature (TJ) ........................–40°C to +125°C Thermal Resistance SOT23-5 ( θJA) ..................................................235°C/W 2x2 MLF-6 ( θJA) .................................................90°C/W Electrical Characteristics (5) VIN = VOUT + 1V, VEN = VIN; IOUT = 100µA; TJ = 25°C, bold values indicate –40°C ≤ TJ ≤ +125°C; unless noted. Symbol Parameter Condition Min Typ Max Units VO Output Voltage Accuracy IOUT = 100µA –1 –2 1 2 % % ∆VLNR Line Regulation VIN = VOUT + 1V to 6V 0.02 0.05 %/V ∆VLDR Load Regulation IOUT = 0.1mA to 150mA (6) 1.5 2.5 % IOUT = 100µA 0.1 5 mV IOUT = 100mA 90 150 mV VIN – VOUT Dropout Voltage (7) IOUT = 150mA 135 200 250 mV mV IQ Quiescent Current VEN ≤ 0.4V (shutdown) 0.2 1 µA IOUT = 0mA 90 150 µA IGND Ground Pin Current (8) IOUT = 150mA 117 µA f = 10Hz, COUT = 1.0µF, CBYP = 0.01µF 60 dB f = 100Hz, VIN = VOUT +1 60 dB PSRR Ripple Rejection f = 10kHz, VIN = VOUT +1 50 dB ILIM Current Limit VOUT = 0V 160 425 mV en Output Voltage Noise COUT = 1.0µF, CBYP = 0.01µF, f = 10Hz to 100kHz 30 µV(rms) Enable Input VIL Enable Input Logic-Low Voltage VIN = 2.7V to 5.5V, regulator shutdown 0.4 V VIH Enable Input Logic-High Voltage VIN = 2.7V to 5.5V, regulator enabled 1.6 V VIL ≤ 0.4V, regulator shutdown 0.01 µA IEN Enable Input Current VIH ≥ 1.6V, regulator enabled 0.01 µA Shutdown Resistance Discharge 500 Ω Thermal Protection Thermal Shutdown Temperature 150 °C Thermal Shutdown Hysteresis 10 °C |
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