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MIC5256-2.85BD5 Datasheet(PDF) 3 Page - Micrel Semiconductor |
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MIC5256-2.85BD5 Datasheet(HTML) 3 Page - Micrel Semiconductor |
3 / 11 page MIC5256 Micrel June 2003 3 MIC5256 Electrical Characteristics V IN = VOUT + 1V, VEN = VIN; IOUT = 100µA; TJ = 25°C, bold values indicate –40°C ≤ TJ ≤ +125°C; unless noted. Symbol Parameter Conditions Min Typical Max Units V O Output Voltage Accuracy I OUT = 100µA –1+1 % –2+2 % ∆V LNR Line Regulation V IN = VOUT + 1V to 6V 0.02 0.05 %/V ∆V LDR Load Regulation I OUT = 0.1mA to 150mA, Note 5 1.5 2.5 % V IN – VOUT Dropout Voltage, Note 6 I OUT = 100µA 0.1 5.0 mV I OUT = 100mA 90 150 mV I OUT = 150mA 135 200 mV 250 mV I Q Quiescent Current V EN ≤ 0.4V (shutdown) 0.2 1 µA I GND Ground Pin Current, Note 7 I OUT = 0mA 90 150 µA I OUT = 150mA 117 µA PSRR Power Supply Rejection f = 10Hz, V IN = VOUT + 1V; COUT = 1µF60 dB f = 100Hz, V IN = VOUT + 0.5V; COUT = 1µF60 dB f = 10kHz, V IN = VOUT + 0.5V 45 dB I LIM Current Limit V OUT = 0V 160 425 mA e n Output Voltage Noise tbd µV(rms) Enable Input V IL Enable Input Logic-Low Voltage V IN = 2.7V to 5.5V, regulator shutdown 0.4 V V IH Enable Input Logic-High Voltage V IN = 2.7V to 5.5V, regulator enabled 1.6 V I EN Enable Input Current V IL ≤ 0.4V, regulator shutdown 0.01 µA V IH ≥ 1.6V, regulator enabled 0.01 µA Shutdown Resistance Discharge 500 Ω Error Flag V FLG Low Threshold % of V OUT (Flag ON) 90 % High Threshold % of V OUT (Flag OFF) 96 % V OL Output Logic-Low Voltage I L = 100µA, fault condition 0.02 0.1 V I FL Flag Leakage Current flag off, V FLG = 6V 0.01 µA Thermal Protection Thermal Shutdown Temperature 150 °C Thermal Shutdown Hysteresis 10 °C Note 1. Exceeding the absolute maximum rating may damage the device. Note 2. The device is not guaranteed to function outside its operating rating. Note 3. The maximum allowable power dissipation of any T A (ambient temperature) is PD(max) = TJ(max)–TA/θJA. Exceeding the maximum allowable Absolute Maximum Ratings (Note 1) Supply Input Voltage (V IN) .................................. 0V to +7V Enable Input Voltage (V EN) ................................. 0V to +7V Power Dissipation (P D) ............... Internally Limited, Note 3 Junction Temperature (T J) ....................... –40°C to +125°C Storage Temperature ............................... –65 °C to +150°C Lead Temperature (soldering, 5 sec.) ....................... 260 °C ESD, Note 4 .................................................................. 2kV Operating Ratings (Note 2) Input Voltage (V IN) ......................................... +2.7V to +6V Enable Input Voltage (V EN) .................................. 0V to VIN Junction Temperature (T J) ....................... –40°C to +125°C Thermal Resistance SOT-23 (θ JA) ..................................................... 235°C/W |
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