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MIC5280 Datasheet(PDF) 3 Page - Micrel Semiconductor |
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MIC5280 Datasheet(HTML) 3 Page - Micrel Semiconductor |
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3 / 14 page  Micrel, Inc. MIC5280 January 2009 3 M9999-012209-A Absolute Maximum Ratings (1) Supply Voltage (VIN) ..................................... –24V to +120V Enable Voltage (VEN)...................................... –1V to +120V Power Dissipation (PD) ........................... Internally Limited (3) Max Reflow Temperature (per IPC/JEDEC 20°C) ..... 260°C Junction Temperature (TJ) ........................–40°C to +150°C Storage Temperature (TS).........................–65°C to +150°C ESD Rating (4).................................................................. 2kV Operating Ratings (2) Supply Voltage (VIN)...................................... 4.5V to +120V Enable Voltage (VEN)........................................ 0V to +120V Junction Temperature (TJ) ........................ –40°C to +125°C Junction Thermal Resistance EPAD SOIC-8 ( θJA)............................................41°C/W Electrical Characteristics (5) VIN = 12V; VEN = 2V; COUT = 2.2µF; CBYP = 10µF; IOUT = 100µA; TJ = 25°C, bold values indicate –40°C to +125°C, unless noted. Parameter Condition Min Typ Max Units Variation from nominal VOUT –2 +2 % Output Voltage Accuracy Variation from nominal VOUT, –40°C to +125°C –3 +3 % ADJ Pin Voltage 1.219 V Line Regulation (6) ΔVIN = 6.5V to 120V –0.5 0.04 0.5 % Load Regulation (7) IOUT = 100µA to 25mA –0.5 0.2 0.5 % IOUT = 100µA; VIN = 4.5V; Adjust Pin = 0V 0 430 700 mV IOUT = 10mA; VIN = 4.5V; Adjust Pin = 0V 0 800 1000 mV Dropout Voltage IOUT = 25mA; VIN = 4.5V; Adjust Pin = 0V 0 1100 1500 mV IOUT = 100µA 0 31 50 µA Ground Pin Current IOUT = 25mA 0 260 400 µA VEN ≤ 0.3V 0 0.02 1 µA Ground Pin Current in Shutdown VEN ≤ 0.3V, –40°C to +125°C 0 5 µA Ripple Rejection f = up to 1kHz 80 dB VOUT = 0V; VIN = 4.5V 40 70 mA Current Limit VOUT = 0V; VIN = 14.4V 70 100 mA IDD Reverse Battery VIN = –24V; VEN = 0.3V 0.4 0.03 50 µA IOUT Reverse Current VIN = 0V; VOUT = 5V; VEN = 0.3V 3 10 µA ADJ Pin Current 3.3 nA Output Voltage Noise 120 µVRMS Enable Input Logic Low 0.3 V Enable Input Voltage Logic High 2.0 V VEN ≤ 0.3V; VIN = 12V 0 0.02 1 µA VEN ≥ 2.0V; VIN = 12V 0 0.12 1 µA Enable Input Current VIN = 4.5V; VEN = 120V 0 0.15 10 µA Turn-on Time COUT = 2.2µF; IOUT = 25mA 0.1 1 ms |
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