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LT3008ITS8-TR Datasheet(PDF) 3 Page - Linear Technology |
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LT3008ITS8-TR Datasheet(HTML) 3 Page - Linear Technology |
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3 / 16 page  LT3008 3 3008f PARAMETER CONDITIONS MIN TYP MAX UNITS Operating Voltage l 245 V ADJ Pin Voltage (Notes 3, 4) VIN = 2V, ILOAD = 100μA 2V < VIN < 45V, 1μA < ILOAD < 20mA l 594 588 600 600 606 612 mV mV Line Regulation (Note 3) ΔVIN = 2V to 45V, ILOAD = 1mA l 0.6 3 mV Load Regulation (Note 3) VIN = 2V, ILOAD = 1μA to 10mA VIN = 2V, ILOAD = 1μA to 20mA l l 0.4 0.5 2 5 mV mV Dropout Voltage VIN = VOUT(NOMINAL) (Notes 5, 6) ILOAD = 100μA ILOAD = 100μA l 115 180 250 mV mV ILOAD = 1mA ILOAD = 1mA l 170 250 350 mV mV ILOAD = 10mA ILOAD = 10mA l 270 340 470 mV mV ILOAD = 20mA ILOAD = 20mA l 300 365 500 mV mV Quiescent Current (Notes 6, 7) ILOAD = 0μA ILOAD = 0μA l 3 6 μA μA GND Pin Current VIN = VOUT(NOMINAL) + 0.5V (Notes 6, 7) ILOAD = 0μA ILOAD = 100μA ILOAD = 1mA ILOAD = 10mA ILOAD = 20mA l l l l l 3 6 21 160 350 6 12 50 500 1200 μA μA μA μA μA Output Voltage Noise (Note 9) COUT = 2.2μF, ILOAD = 20mA, BW = 10Hz to 100kHz 92 μVRMS ADJ Pin Bias Current l –10 0.4 10 nA Shutdown Threshold VOUT = Off to On VOUT = On to Off l l 0.25 0.67 0.61 1.5 V V SHDN Pin Current VSHDN = 0V, VIN = 45V VSHDN = 45V, VIN = 45V l l 0.65 ±1 2 μA μA Quiescent Current in Shutdown VIN = 6V, VSHDN = 0V l <1 μA Ripple Rejection (Note 3) VIN – VOUT = 1.5V, VRIPPLE = 0.5VP-P, fRIPPLE = 120Hz, ILOAD = 20mA 58 70 dB Current Limit VIN = 45V, VOUT = 0 VIN = VOUT(NOMINAL) + 1V, ΔVOUT = – 5% l 22 75 mA mA Input Reverse Leakage Current VIN = –45V, VOUT = 0 l 130 μA Reverse Output Current VOUT = 1.2V, VIN = 0 0.6 10 μA ELECTRICAL CHARACTERISTICS The l denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TJ = 25°C. (Note 2) Note 1: Stresses beyond those listed under Absolute Maximum Ratings may cause permanent damage to the device. Exposure to any Absolute Maximum Rating condition for extended periods may affect device reliability and lifetime. Note 2: The LT3008 is tested and specified under pulse load conditions such that TJ ≅ TA. The LT3008E is 100% tested at TA=25°C. Performance at – 40°C and 125°C is assured by design, characterization and correlation with statistical process controls. The LT3008I is guaranteed over the full – 40°C to 125°C operating junction temperature range. Note 3: The LT3008 adjustable version is tested and specified for these conditions with the ADJ pin connected to the OUT pin. Note 4: Operating conditions are limited by maximum junction temperature. The regulated output voltage specification will not apply for all possible combinations of input voltage and output current. When operating at the maximum input voltage, the output current range must be limited. When operating at the maximum output current, the input voltage must be limited. Note 5: Dropout voltage is the minimum input to output voltage differential needed to maintain regulation at a specified output current. In dropout, the output voltage equals (VIN – VDROPOUT). |
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