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LT1118CST-2.85 Datasheet(PDF) 3 Page - Linear Technology |
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LT1118CST-2.85 Datasheet(HTML) 3 Page - Linear Technology |
3 / 8 page 3 LT1118/LT1118-2.5 LT1118-2.85/LT1118-5 1118fc PARAMETER CONDITIONS MIN TYP MAX UNITS Line Regulation (Note 4) LT1118 IL = 0mA, 4.2V ≤ VIN ≤ 15V ● 6mV LT1118-2.5 IL = 0mA, 4.2V ≤ VIN ≤ 15V ● 6mV LT1118-2.85 IL = 0mA, 4.75V ≤ VIN ≤ 15V ● 6mV LT1118-5 IL = 0mA, 6.5V ≤ VIN ≤ 15V ● 10 mV Load Regulation (Note 4) LT1118 0mA ≤ IL ≤ 800mA ● 6mV – 400mA ≤ IL ≤ 0mA ● 6mV LT1118-2.5 0mA ≤ IL ≤ 800mA ● 12 mV – 400mA ≤ IL ≤ 0mA ● 12 mV LT1118-2.85 0mA ≤ IL ≤ 800mA ● 12 mV – 400mA ≤ IL ≤ 0mA ● 12 mV LT1118-5 0mA ≤ IL ≤ 800mA ● 25 mV – 400mA ≤ IL ≤ 0mA ● 25 mV Dropout Voltage (Note 5) IL = 100mA 0.85 1.1 V IL = 800mA 1 1.3 V FB Pin Bias Current LT1118 0.35 1 µA Minimum Output Voltage LT1118 ● 2.1 V Ripple Rejection fRIPPLE = 120Hz, VIN – VOUT = 2V 60 80 dB VRIPPLE = 0.5VP-P Load Transient Settling Time, 0mA ≤ IL ≤ 800mA, CLOAD = 1µF5 µs ∆V = 1% – 400mA ≤ IL ≤ 0mA, CLOAD = 1µF5 µs Output Short-Circuit Current ISC+ VOUT = 0V 800 1200 mA ISC – VOUT = VIN – 700 – 400 mA Thermal Shutdown Junction Temperature No Load 170 °C Enable Turn-On Delay No Load 50 µs 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: Unless otherwide specified, testing done at VCC = 5V (LT1118-2.5, LT1118-2.85) or VCC = 7V (LT1118-5). VEN = VCC. Output CLOAD = 1µF, ILOAD = 0. Note 3: All operating conditions include the combined effects of load current, input voltage and temperature over each parameter’s full range. Note 4: Load and line regulation are tested at a constant junction temperature by low duty cycle pulse testing. Note 5: Dropout voltage is defined as the minimum input to output voltage measured while sourcing the specified current. ELECTRICAL CHARACTERISTICS The ● denotes specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. (Note 2) |
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