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MIC2027 Datasheet(PDF) 4 Page - Micrel Semiconductor |
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MIC2027 Datasheet(HTML) 4 Page - Micrel Semiconductor |
4 / 16 page MIC2027/2077 Micrel MIC2027/2077 4 June 2000 Electrical Characteristics V IN = +5V; TA = 25°C, bold values indicate –40°C ≤ TA ≤ +85°C; unless noted Symbol Parameter Condition Min Typ Max Units I DD Supply Current MIC20x7-1, V ENA–D ≤ 0.8V 1.5 10 µA (switch off), OUT = open MIC20x7-2, V ENA–D ≥ 2.4V 1.5 10 µA (switch off), OUT = open MIC20x7-1, V ENA–D ≥ 2.4V 200 320 µA (switch on), OUT = open MIC20x7-2, V ENA–D ≤ 0.8V 200 320 µA (switch on), OUT = open V EN Enable Input Threshold low-to-high transition 1.7 2.4 V high-to-low transition 0.8 1.45 V Enable Input Hysteresis 250 mV I EN Enable Input Current V EN = 0V to 5.5V –1 0.01 1 µA Enable Input Capacitance 1 pF R DS(on) Switch Resistance V IN = 5V, IOUT = 500mA 100 150 m Ω V IN = 3.3V, IOUT = 500mA 110 170 m Ω Output Leakage Current MIC20x7-1, V ENx ≤ 0.8V; 10 µA MIC20x7-2, V ENx ≥ 2.4V, (output off) Output Current in MIC2077 (per Latch Output) 50 µA Latched Thermal Shutdown (during thermal shutdown state) t ON Output Turn-On Delay R L = 10Ω, CL = 1µF, see “Timing Diagrams” 1.3 5 ms t R Output Turn-On Rise Time R L = 10Ω, CL = 1µF, see “Timing Diagrams” 1.15 4.9 ms t OFF Output Turnoff Delay R L = 10Ω, CL = 1µF, see “Timing Diagrams” 35 100 µs t F Output Turnoff Fall Time R L = 10Ω, CL = 1µF, see “Timing Diagrams” 32 100 µs I LIMIT Short-Circuit Output Current V OUT = 0V, enabled into short-circuit 0.5 0.9 1.25 A Current-Limit Threshold ramped load applied to output 1.0 1.25 A Short-Circuit Response Time V OUT = 0V to IOUT = ILIMIT 20 µs (short applied to output) t D Overcurrent Flag Response V IN = 5V, apply VOUT = 0V until FLG low 1.5 3 7 ms Delay V IN = 3.3V, apply VOUT = 0V until FLG low 3 ms Undervoltage Lockout V IN rising 2.2 2.4 2.7 V Threshold V IN falling 2.0 2.15 2.5 V Error Flag Output I L = 10mA, VIN = 5V 10 25 Ω Resistance I L = 10mA, VIN = 3.3V 15 40 Ω Error Flag Off Current V FLAG = 5V 10 µA Overtemperature Threshold T J increasing, each switch 140 °C Note 4 T J decreasing, each switch 120 °C T J increasing, both switches 160 °C T J decreasing, both switches 150 °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. Devices are ESD sensitive. Handling precautions recommended. Human body model, 1.5k in series with 100pF. Note 4. If there is an output current limit fault on one channel, that channel will shut down when the die reaches approximately 140 °C. If the die reaches approximately 160 °C, the other channel driven by the same input will shut down, even if neither channel is in current limit. |
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Similar Description - MIC2027 |
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