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MIC37501 Datasheet(PDF) 3 Page - Micrel Semiconductor |
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MIC37501 Datasheet(HTML) 3 Page - Micrel Semiconductor |
3 / 11 page Micrel, Inc. MIC37501/37502 February 2007 3 M9999-020507 Absolute Maximum Ratings (1) Supply Voltage (VIN) ................................................. 6.5V Enable Input Voltage (VEN) ....................................... 6.5V Power Dissipation(PD) .......................... Internally Limited Junction Temperature(TJ) ............... –40°C ≤ TJ ≤ +125°C Storage Temperature(TS) ............... –65°C ≤ TJ ≤ +150°C Lead Temperature (soldering, 5 sec.) ....................260°C ESD Rating (3) ...............................................................2kV Operating Ratings (2) Supply Voltage (VIN) ......................................... 2.3V to 6.0V Enable Input Voltage (VEN) .................................. 0V to 6.0V Junction Temperature Range(TJ) ....... –40°C ≤ TJ ≤ +125°C Maximum Power Dissipation .....................................Note 4 Package Thermal Resistance S-Pak (θJC) .......................................................... 2°C/W TO-263 (θJC) ....................................................... 2°C/W Electrical Characteristics (5) TA = 25°C with VIN = VOUT + 1V; VEN = VIN; bold values indicate –40°C < TJ < +125°C; unless otherwise noted. Parameter Condition Min Typ Max Units IL = 10mA –1 +1 % Output Voltage Accuracy 10mA < IOUT < IL(max), VOUT + 1 ≤ VIN ≤ 6V –2 +2 % Output Voltage Line Regulation VIN = VOUT +1.0V to 6.0V 0.06 0.5 % Output Voltage Load Regulation IL = 10mA to 5A 0.2 1 % IL = 2.5A 350 mV VIN – VOUT, Dropout Voltage (6) IL = 5A 330 500 mV Ground Pin Current (7) IL = 5A 57 100 mA Ground Pin Current in Shutdown VIL < 0.5V, VIN = VOUT + 1V 1.0 µA Current Limit VOUT = 0 5 7.5 11 A Start-up Time VEN = VIN, IOUT = 10mA, COUT = 100µF 170 500 µs Enable Input Regulator enable 2.25 V Enable Input Threshold Regulator shutdown 0.8 V VIL < 0.8V (Regulator shutdown) 2 4 µA µA Enable Pin Input Current VIH > 2.25V (Regulator enabled) 1 15 30 75 µA µA Flag Output IFLG(LEAK) VOH = 6V 1 2 µA µA VFLG(LO) VIN = 2.25V, IOL = 250µA (8) 210 400 500 mV mV Low threshold, % of VOUT below nominal 93 % Hysteresis 2 % VFLG High threshold, % of VOUT below nominal 99.2 % MIC37502 Only Reference Voltage 1.228 1.215 1.240 1.252 1.265 V V Adjust Pin Bias Current 40 80 120 nA nA |
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