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LT3050 Datasheet(PDF) 3 Page - Linear Technology |
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LT3050 Datasheet(HTML) 3 Page - Linear Technology |
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3 / 20 page  LT3050 3 3050f ELECTRICAL CHARACTERISTICS PARAMETER CONDITIONS MIN TYP MAX UNITS Minimum Input Voltage (Notes 3, 11) ILOAD = 100mA l 1.6 2.2 V ADJ Pin Voltage (Notes 3, 4) VIN = 2.2V, ILOAD = 1mA 2.2V < VIN < 15V, 1mA < ILOAD < 100mA (Note 15) l 594 588 600 606 612 mV mV Line Regulation (Note 3) ΔVIN = 2.2V to 45V, ILOAD = 1mA l 0.25 3 mV Load Regulation (Note 3) VIN = 2.2V, ILOAD = 1mA to 100mA l 0.2 4 mV Dropout Voltage VIN = VOUT(NOMINAL) (Notes 5, 6) ILOAD = 1mA ILOAD = 1mA l 110 150 220 mV mV ILOAD = 10mA ILOAD = 10mA l 195 240 340 mV mV ILOAD = 50mA ILOAD = 50mA l 280 330 450 mV mV ILOAD = 100mA ILOAD = 100mA l 340 400 550 mV mV GND Pin Current VIN = VOUT(NOMINAL) + 0.6V (Notes 6, 7, 11) ILOAD = 0mA ILOAD = 1mA ILOAD = 10mA ILOAD = 50mA ILOAD = 100mA l l l l l 45 60 175 0.85 2.2 90 160 370 2 5.2 μA μA μA mA mA Quiescent Current in Shutdown VIN = 12V, VSHDN = 0V 0.17 1 μA ADJ Pin Bias Current (Notes 3, 12) VIN = 12V l 12.5 60 nA Output Voltage Noise COUT = 10μF, ILOAD = 100mA, VOUT = 600mV, BW = 10Hz to 100kHz 90 μVRMS Output Voltage Noise COUT = 10μF, CBYP = 0.01μF, ILOAD = 100mA, VOUT = 600mV BW = 10Hz to 100kHz 30 μVRMS Shutdown Threshold VOUT = Off to On VOUT = On to Off l l 0.3 0.7 0.6 1.5 V V SHDN Pin Current (Note 13) VSHDN = 0V VSHDN = 45V l l 0.9 1 3 μA μA Ripple Rejection (Note 3) VIN –VOUT = 2V (AVG), VRIPPLE = 0.5VP-P, fRIPPLE = 120Hz, ILOAD = 100mA 70 85 dB FAULT Pin Logic Low Voltage VIN = 2.2V, FAULT Asserted, IFAULT = 100μA l 140 250 mV FAULT Pin Leakage Current FAULT = 5V, FAULT Not Asserted 0.01 1 μA Input Reverse Leakage Current VIN = –45V, VOUT = 0 l 300 μA Reverse Output Current (Note 14) VOUT = 1.2V, VIN = 0 0.2 10 μA Internal Current Limit (Note 3) VIN = 2.2V, VOUT = 0, IMAX Pin Grounded ΔVOUT = –5% l 110 240 mA External Programmed Current Limit (Note 8) 5.6V < VIN < 15V, VOUT = 5V, RIMAX = 2.26K FAULT Pin Threshold l 47.8 50.4 52.9 mA 5.6V < VIN < 15V, VOUT = 5V, RIMAX = 1.5K FAULT Pin Threshold l 72.1 75.9 79.7 mA 5.6V < VIN < 15V, VOUT = 5V, RIMAX = 1.15K FAULT Pin Threshold l 94.4 99.3 104.3 mA The l denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. (Note 2) |
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