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MIC5201-3.0BM Datasheet(PDF) 3 Page - Micrel Semiconductor |
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MIC5201-3.0BM Datasheet(HTML) 3 Page - Micrel Semiconductor |
3 / 12 page July 1998 3 MIC5201 MIC5201 Micrel Electrical Characteristics V IN = VOUT + 1V; IL = 100µA; CL = 3.3µF; VEN ≥ 2.0V; TJ = 25°C, bold values indicate –40°C ≤ TJ ≤ +85°C; unless noted Symbol Parameter Condition Min Typ Max Units V O Output Voltage Accuracy Variation from specified V OUT –1 1 % –2 2 % ∆V O/∆T Output Voltage Temperature Coef. Note 2 40 150 ppm/ °C ∆V O/VO Line Regulation, Fixed V IN = VOUT + 1V to 26V 0.004 0.20 % 0.40 % ∆V O/VO Line Regulation, Adjustable V IN = VOUT + 1V to 16V 0.004 0.20 % 0.40 % ∆V O/VO Load Regulation I L = 0.1mA to 200mA, Note 3 0.04 0.16 % 0.30 % V IN – VO Dropout Voltage, Note 4 I L = 100µA17 mV I L = 20mA 130 mV I L = 50mA 180 mV I L = 100mA 225 mV I L = 200mA 270 400 mV I GND Quiescent Current V ENABLE ≤ 0.7V (shutdown) 0.01 µA I GND Ground Pin Current I L = 100µA 130 µA I L = 20mA 270 400 µA I L = 50mA 500 µA I L = 100mA 1000 2000 µA I L = 200mA 3000 µA PSRR Ripple Rejection 75 dB I GNDDO Ground Pin Current at Dropout V IN = 0.5V less than specified VOUT, 270 330 µA I L = 100µA, Note 5 I LIMIT Current Limit V OUT = 0V 280 500 mA ∆V O/∆PD Thermal Regulation Note 6 0.05 %/W e n Output Noise 100 µV Enable Input V IL Input Voltage Level logic low (off) 0.7 V V IH Input Voltage Level logic high (on) 2.0 V I IL Enable Input Current V IL ≤ 0.7V 0.01 1 µA I IH Enable Input Current V IH ≤ 2.0V 15 50 µA Reference (MIC5201 Adjustable Version Only) V REF Reference Voltage 1.223 1.242 1.255 V 1.217 1.267 V I IL Reference Voltage Temp. Coef. 20 ppm/ °C General Note: Devices are ESD sensitive. Handling precautions recommended. Note 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 rated operating conditions. The maximum allowable power dissipation is a function of the maximum junction temperature, T J(max), the junction-to-ambient thermal resistance, θJA, and the ambient temperature, TA. The maximum allowable power dissipation at any ambient temperature is calculated using: P (max) = (TJ(max) –TA) ÷ θJA. Exceeding the maximum allowable power dissipation will result in excessive die temperature, and the regulator will go into thermal shutdown. The θ JC of the MIC5201-x.xBS is 15°C/W and θJA for the MIC5201BM is 160 °C/W mounted on a PC board (see “Thermal Considerations” section for further details). Note 2: Output voltage temperature coefficient is defined as the worst-case voltage change divided by the total temperature range. Note 3: Regulation is measured at constant junction temperature using low duty cycle pulse testing. Parts are tested for load regulation in the load range from 0.1mA to 200mA. Changes in output voltage due to heating effects are covered by the thermal regulation specification. Note 4: Dropout Voltage is defined as the input to output differential at which the output voltage drops 2% below its nominal value measured at 1V differential. Note 5: Ground pin current is the regulator quiescent current plus pass transistor base current. The total current drawn from the supply is the sum of the load current plus the ground pin current. Note 6: Thermal regulation is defined as the change in output voltage at a time “t” after a change in power dissipation is applied, excluding load or line regulation effects. Specifications are for a 200mA load pulse at V IN = 26V for fixed and VIN = 16V for adjustable at t = 10ms. |
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