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MIC2810-4GSYML Datasheet(PDF) 5 Page - Micrel Semiconductor |
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MIC2810-4GSYML Datasheet(HTML) 5 Page - Micrel Semiconductor |
5 / 18 page Micrel, Inc. MIC2810 February 2008 5 M9999-022008-C Electrical Characteristics - DC/DC Converter VIN = VOUTDC/DC + 1; EN = VIN; EN2 = EN1 = GND; IOUTDC/DC = 100mA ;L = 2.2µH; COUTDC/DC = 2.2µF; TJ = 25°C, bold values indicate –40°C to + 125°C; unless noted. Parameter Conditions Min Typ Max Units LOWQ = High (Full Power Mode) Fixed Output Voltages Nominal VOUT tolerance –2 –3 +2 +3 % % Output Voltage Line Regulation VOUT > 2.4V; VIN = VOUT + 300mV to 5.5V, ILOAD= 100mA VOUT < 2.4V; VIN = 2.7V to 5.5V, ILOAD= 100mA 0.2 %/V Output Voltage Load Regulation 20mA < ILOAD < 600mA 0.1 % Maximum Duty Cycle VFB ≤ 0.4V 100 % PWM Switch ON-Resistance ISW = 150mA VFB = 0.7VFB_NOM PMOS ISW = -150mA VFB = 1.1VFB_NOM NMOS 0.5 0.6 Ω Ω Oscillator Frequency 1.8 2 2.2 MHz Current Limit in PWM Mode VFB = 0.9*VNOM 0.75 1 1.6 A LOWQ = Low (Light Load Mode) Variation from nominal VOUT –2 +2 % Output Voltage Accuracy Variation from nominal VOUT; –40°C to +125°C –3 +3 % Line Regulation VIN = VOUT + 1V to 5.5V; IOUT = 100µA 0.02 0.3 0.6 %/V %/V Load Regulation IOUT = 100µA to 50mA 0.4 1.5 % Ripple Rejection f = up to 1kHz 45 dB Current Limit VOUT = 0V 80 120 220 mA Output Voltage Noise 10Hz to 100KHz 53 µVRMS |
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