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MIC2807-OOYML Datasheet(PDF) 5 Page - Micrel Semiconductor |
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MIC2807-OOYML Datasheet(HTML) 5 Page - Micrel Semiconductor |
5 / 18 page Micrel, Inc. MIC2807 February 2008 5 M9999-022008-B Parameter Condition Min Typ Max Units Turn-On Time IOUT = 100µA 25 50 µs DAC Input Current 0.15 2 µA Output Voltage/ DAC Voltage (internally set) 3 V/V Bypass Switch Threshold DAC Voltage required to enable bypass mode 1.176 1.2 1.224 V Bypass Switch Hysteresis 35 mV Bypass Transition Time Delay from VDAC = 1.3V to VOUT = 0.90VIN 10 40 µs Bypass Switch On-Resistance VIN = 3.0V, IBYPASS = 100mA 95 150 mΩ Bypass Switch Leakage 5 µA Bypass Over-Current Limit 1 1.4 2.5 A Current Limit Retry Time 32 µs Current Limit Retry Duty Cycle 12.5 % LDO1/LDO2 [VEN = 0V] Total Ground Current (8) VEN1 = VEN2 = 3.6V 220 µA Turn-on Time LDO1 or LDO2; CBYP = 0.1µF 30 100 µs LDO1 [VEN = 0V] Variation from nominal VOUT –1 +1 % Output Voltage Accuracy –40°C to +125°C –2 +2 % Line Regulation VIN = VOUT +1V to 5.5V 0.02 0.3 %/V Load Regulation (6) IOUT = 100µA to 200mA 0.2 0.5 % Dropout Voltage (7) IOUT = 50mA; VOUT > 2.8V IOUT = 150mA; VOUT > 2.8V IOUT = 200mA; VOUT > 2.8V 20 55 70 120 mV mV mV Ground Pin Current (8) IOUT = 0mA; EN2 = GND 190 300 µA Ripple Rejection f = up to 1kHz; CBYP = 0.1µF f = 1kHz – 20kHz; CBYP = 0.1µF 70 45 dB dB Current Limit VOUT = 0V 225 300 700 mA Output Voltage Noise CBYP=0.1µF, 10Hz to 100kHz 32 µVRMS LDO2 [VEN = 0V] Variation from nominal VOUT –1 +1 % Output Voltage Accuracy –40°C to +125°C –2 +2 % Line Regulation VIN = VOUT +1V to 5.5V 0.02 0.3 %/V Load Regulation (6) IOUT = 100µA to 30mA 0.2 0.5 % Dropout Voltage (7) IOUT = 10mA; VOUT > 2.8V IOUT = 30mA; VOUT > 2.8V 10 30 70 mV mV Ground Pin Current (8) IOUT = 0mA; EN1 = GND 190 300 µA Ripple Rejection f = up to 1kHz; CBYP = 0.1µF f = 1kHz – 20kHz; CBYP = 0.1µF 65 40 dB dB Current Limit VOUT = 0V 40 60 150 mA Output Voltage Noise CBYP = 0.1µF, 10Hz to 100kHz 32 µVRMS |
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