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IR3447M Datasheet(PDF) 8 Page - International Rectifier |
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IR3447M Datasheet(HTML) 8 Page - International Rectifier |
8 / 51 page IR3447 8 www.irf.com © 2014 International Rectifier Submit Datasheet Feedback June 18, 2015 PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNIT Maximum Output Voltage Vmax(E/A) 1.7 2 2.3 V Minimum Output Voltage Vmin(E/A) 100 mV Common Mode Voltage Vcm_Vp Note 4 0 1.2 V Remote Sense Differential Amplifier Unity Gain Bandwidth BW_RS Note 4 3 6.4 9 MHz DC Gain Gain_RS Note 4 110 dB Offset Voltage Offset_RS VREF=0.6V, 0°C < Tj < 85°C -1.5 0 1.5 mV VREF=0.6V, -40°C < Tj < 125°C -2 2 mV Source Current Isource_RS 3 13 20 mA Sink Current Isink_RS 0.4 1 2 mA Slew Rate Slew_RS Note 4, Cload = 100pF 2 4 8 V / µs RS+ input impedance Rin_RS+ 45 63 85 kohm RS- input impedance Rin_RS- Note 4 63 kohm Maximum Voltage Vmax_RS V(VCC) – V(RSo) 0.5 1 1.5 V Minimum Voltage Min_RS 50 mV Internal Digital Soft Start Soft Start Clock Clk_SS Note 4 180 200 220 kHz Soft Start Ramp Rate Ramp(SS_Start) Note 4 0.3 0.4 0.5 mV / µs Bootstrap Diode Forward Voltage I(Boot) = 30mA 360 520 960 mV Switch Node SW Leakage Current lsw SW = 0V, Enable = 0V 1 µA Internal Regulator (VCC/LDO) Output Voltage VCC Vin(min) = 7.2V, Io=0- 30mA, Cload = 2.2uF, DCM=0 6.3 6.8 7.1 V Vin(min) = 7.2V, Io=0- 30mA, Cload = 2.2uF, DCM=1 4 4.4 4.8 VCC dropout VCC_drop Vin = 7V, Io=70 mA, Cload = 2.2uF 0.7 V Short Circuit Current Ishort Note 4 70 mA Zero-crossing Comparator Delay Tdly_zc 256 / Fs s Zero-crossing Comparator Offset Vos_zc Note 4 0 mV |
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