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ADDC02803SC 데이터시트(PDF) 2 Page - Analog Devices |
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ADDC02803SC 데이터시트(HTML) 2 Page - Analog Devices |
2 / 18 page ADDC02803SC/ADDC02805SA–SPECIFICATIONS ELECTRICAL CHARACTERISTICS Case Test ADDC02803SC ADDC02805SA Parameter Temp Level Conditions Min Typ Max Min Typ Max Units INPUT CHARACTERISTICS Steady State Operating Input Voltage Range1 Full VI IO = 2 A to 20 A 18 28 40 18 28 40 V Abnormal Operating Input Voltage Range (Per MIL-STD-704D) 1 Full VI IO = 2 A to 16 A 16 50 16 50 V Input Overvoltage Shutdown +25 °C I 50 52.5 55 50 52.5 55 V No Load Input Current +25 °C I 90 90 mA Disabled Input Current Full VI 0.85 2.0 0.85 2.0 mA OUTPUT CHARACTERISTICS 2, 3 Output Voltage (VO) +25 °CI IO = 2 A to 20 A, VIN = 18 V to 40 V dc 3.26 3.30 3.34 5.00 5.025 5.05 V Full VI IO = 2 A to 20 A, VIN = 18 V to 40 V dc 3.2 3.4 4.925 5.125 V Full VI IO = 2 A to 16 A, VIN = 16 V to 50 V dc 3.2 3.4 4.925 5.125 V Line Regulation +25 °CV IO = 20 A, VIN = 18 V to 40 V dc 1 1 mV Load Regulation +25 °CV VIN = 28 V dc, IO = 2 A to 20 A 1 1 mV Output Ripple/Noise 4 +25 °CI IO = 20 A, 5 kHz – 2 MHz BW 15 35 15 50 mV p-p Output Current (IO) Full VI VIN = 18 V to 40 V dc 2 21.2 2 20 A Output Overvoltage Protection +25 °CV IO = 20 A, Open Remote Sense Connection 145 125 % VO Nom Output Current Limit +25 °CV VO = 90% VOUT Nom 130 % IO max Output Short Circuit Current +25 °C I 39 35 A ISOLATION CHARACTERISTICS Isolation Resistance +25 °C I Input to Output or Any Pin to Case at 500 V dc 100 100 M Ω DYNAMIC CHARACTERISTICS 4 Output Voltage Deviation Due to Step Change in Load +25 °CV IO = 10 A to 20 A or 20 A to 10 A di/dt = 0.5 A/µs 350 500 mV Response Time Due to Step Change in Load +25 °CV IO = 10 A to 20 A or 20 A to 10 A, di/dt = 0.5 A/µs, 135 125 µs Time for VOUT to Return within 2% of Final Value Soft Start Turn-On Time 5 +25 °CI IO = 20 A, From Inhibit High to Status High 1 4 7 20 ms THERMAL CHARACTERISTICS Efficiency +25 °CI IO = 12 A 75 79 77 80 % Max VI IO = 12 A 75 77 % Min VI IO = 12 A 72 75 % +25 °CI IO = 20 A 74 77 77 79 % Max VI IO = 20 A 74 77 % Min VI IO = 20 A 73 75 % Hottest Junction Temperature 6 +90 °CV IO = 20 A 110 110 °C CONTROL CHARACTERISTICS Clock Frequency Full VI IO = 2 A 0.85 0.99 0.85 0.99 MHz ADJUST (Pin 3) V ADJ +25 °C I 1.26 1.32 1.38 1.92 2.04 2.10 V STATUS (Pin 4) VOH +25 °CI IOH = 400 µA 2.4 4.0 2.4 4.0 V VOL +25 °CI IOL = 1 mA 0.15 0.7 0.15 0.7 V VAUX (Pin 5) VO (nom) +25 °CI IAUX = 5 mA, Load Current = 20 A 13.2 13.7 14.2 14.3 14.7 15.3 V INHIBIT (Pin 6) VIL +25 °C I 0.5 0.5 V IIL +25 °CI VIL = 0.5 V 1.2 1.2 mA VI (Open Circuit) +25 °C I 15 15 V SYNC (Pin 7)7 VIH +25 °C I 4.0 4.0 V IIH +25 °CI VIH = 7.0 V 175 175 µA ISHARE (Pin 8) +25 °CI IO = 20 A 2.62 2.72 2.82 2.75 2.82 2.95 V TEMP (Pin 9) +25 °C V 3.90 3.90 V NOTES 150 V dc upper limit rated for transient condition of up to 50 ms. 16 V dc lower limit rated for continuous operation during emergency condition. Steady state and abnormal input voltage range require source impedance sufficient to insure input stability at low line. See sections entitled System Instability Considerations and Input Voltage Range. 2Measured at the remote sense points. 3Unit regulates output voltage to zero load. 4C LOAD = 0. 5Output is fully loaded into a constant resistive load. 6Refer to section entitled Thermal Characteristics for more information. 7Unit has internal pull-down; refer to section entitled Pin 7 (SYNC). Specifications subject to change without notice. REV. A –2– (TC = +25 C, VIN = 28 V dc 0.5 V dc, unless otherwise noted; full temperature range is –55 C to +90 C; all temperatures are case and TC is the temperature measured at the center of the package bottom.) |
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