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LT3022EMSE Datasheet(PDF) 3 Page - Linear Technology |
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LT3022EMSE Datasheet(HTML) 3 Page - Linear Technology |
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3 / 16 page  LT3022 3022f 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 LT3022 regulator is tested and specified under pulse load conditions such that TJ ≈ TA. The LT3022 is 100% tested at TA = 25°C. Performance of the LT3022E over the full –40°C and 125°C operating junction temperature range is assured by design, characterization and correlation with statistical process controls. The LT3022I regulators are guaranteed over the full –40°C to 125°C operating junction temperature range. High junction temperatures degrade operating lifetime. Operating lifetime is derated at junction temperatures greater than 125°C. Note 3: This IC includes overtemperature protection that is intended to protect the device during momentary overload conditions. Junction elecTrical characTerisTics The l denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. PARAMETER CONDITIONS MIN TYP MAX UNITS Minimum Input Voltage (Notes 4, 6) ILOAD = 1A, TA > 0°C ILOAD = 1A, TA ≤ 0°C 0.9 0.9 1.05 1.10 V V ADJ Pin Voltage (Notes 5, 6) VIN = 1.5V, ILOAD = 1mA 1.15V < VIN < 10V, 1mA < ILOAD < 1A l 196 194 200 200 204 206 mV mV Line Regulation (Note 7) ∆VIN = 1.15V to 10V, ILOAD = 1mA l –1.5 –0.1 0.5 mV Load Regulation (Note 7) VIN = 1.15V, ∆ILOAD = 1mA to 1A l –0.5 –1.0 0.1 0.5 1.0 mV mV Dropout Voltage (Notes 8, 9) ILOAD = 10mA l 45 75 135 mV mV ILOAD = 100mA l 55 90 175 mV mV ILOAD = 500mA l 110 150 235 mV mV ILOAD = 1A l 145 185 285 mV mV GND Pin Current, VIN = VOUT(NOMINAL) + 0.4V (Notes 9, 10) ILOAD = 0mA ILOAD = 1mA ILOAD = 100mA ILOAD = 500mA ILOAD = 1A l l l l 400 1.2 3.4 8.3 18 2.5 8.5 20 36 µA mA mA mA mA Output Voltage Noise COUT = 10µF, ILOAD = 1A, BW = 10Hz to 100kHz, VOUT = 1.2V 165 µVRMS ADJ Pin Bias Current (Notes 7, 11) VADJ = 0.2V, VIN = 1.5V 30 100 nA Shutdown Threshold VOUT = Off to On VOUT = On to Off l l 0.25 0.64 0.64 0.9 V V SHDN Pin Current (Note 12) VSHDN = 0V, VIN = 10V VSHDN = 10V, VIN = 10V l l 3 ±1 9.5 µA µA Quiescent Current in Shutdown VIN = 6V, VSHDN = 0V 7.5 15 µA Ripple Rejection (Note 13) VIN – VOUT = 1V, VRIPPLE = 0.5VP-P, fRIPPLE = 120Hz, ILOAD = 1A 55 70 dB Current Limit (Note 9) VIN = 10V, VOUT = 0V VIN = VOUT(NOMINAL) + 0.5V, ∆VOUT ≤ –5% l 1.1 2.6 1.7 A A Input Reverse Leakage Current (Note 14) VIN = –10V, VOUT = 0V 4 20 µA Reverse Output Current (Notes 15, 16) VOUT = 1.2V, VIN = 0V 0.1 5 µA Minimum Required Output Current VIN = 1.6V, VOUT = 1.2V l 1 mA temperature will exceed 125°C when overtemperature protection is active. Continuous operation above the specified maximum operating junction temperature may impair device reliability. Note 4: Minimum input voltage is the voltage required by the LT3022 to regulate the output voltage and supply the rated 1A output current. This specification is tested at VOUT = 0.2V. For higher output voltages, the minimum input voltage required for regulation equals the regulated output voltage VOUT plus the dropout voltage or 1.1V, whichever is greater. Note 5: Maximum junction temperature limits operating conditions. The regulated output voltage specification does not apply for all possible combinations of input voltage and output current. Limit the output current range if operating at maximum input voltage. Limit the input-to-output voltage differential range if operating at maximum output current. |
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