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LT1117CST-5 Datasheet(PDF) 3 Page - Linear Technology |
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LT1117CST-5 Datasheet(HTML) 3 Page - Linear Technology |
3 / 12 page 3 LT1117/LT1117-2.85 LT1117-3.3/LT1117-5 PARAMETER CONDITIONS MIN TYP MAX UNITS Quiescent Current LT1117-2.85 VIN ≤ 10V q 510 mA LT1117-3.3 VIN ≤ 15V q 510 mA LT1117-5 VIN ≤ 15V q 510 mA Thermal Regulation TA = 25°C, 30ms Pulse 0.01 0.1 %/W Ripple Rejection fRIPPLE = 120Hz, (VIN – VOUT) = 3V, VRIPPLE = 1Vp-p q 60 75 dB Adjust Pin Current q 55 120 µA Adjust Pin Current Change 10mA ≤ IOUT ≤ 800mA, 1.4V ≤ (VIN – VOUT) ≤ 10V q 0.2 5 µA Temperature Stability 0.5 % Long Term Stability TA = 125°C, 1000Hrs 0.3 % RMS Output Noise (% of VOUT), 10Hz ≤ f ≤ 10kHz 0.003 % Thermal Resistance (Junction-to-Case, at Tab) 15 °C/W ELECTRICAL C C HARA TERISTICS The q denotes specifications which apply over the full operating temperature range. Note 1: See thermal regulation specification for changes in output voltage due to heating effects. Load regulation and line regulation are measured at a constant junction temperature by low duty cycle pulse testing. Note 2: Dropout voltage is specified over the full output current range of the device. Dropout voltage is defined as the minimum input/output differential measured at the specified output current. Test points and limits are also shown on the Dropout Voltage curve. Note 3: Minimum load current is defined as the minimum output current required to maintain regulation. CC HARA TERISTICS A TYPICALPERFOR CE Minimum Operating Current (Adjustable Device) Short-Circuit Current Load Regulation INPUT/OUTPUT DIFFERENTIAL (V) 0 0 1 3 4 10 15 20 LT1117 • TPC02 5 TJ = 25°C TJ = 125°C TJ = –55°C 2 INPUT/OUTPUT DIFFERENTIAL (V) 0 0 0.25 0.50 0.75 1.25 10 15 LT1117 • TPC03 5 1.00 TJ = 25°C TJ = 125°C TEMPERATURE ( °C) –50 – 0.20 – 0.15 – 0.10 – 0.05 0.10 50 75 125 LT1117 • TPC04 0 0.05 0 –25 25 100 ∆ I LOAD = 800mA |
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