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1129I5 Datasheet(PDF) 3 Page - Linear Integrated Systems |
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1129I5 Datasheet(HTML) 3 Page - Linear Integrated Systems |
3 / 16 page 3 LT1129/LT1129-3.3/LT1129-5 112935fc PARAMETER CONDITIONS MIN TYP MAX UNITS Regulated Output Voltage LT1129-3.3 VIN = 3.8V, IOUT = 1mA, TJ = 25°C 3.250 3.300 3.350 V (Notes 4, 12) 4.3V < VIN < 20V, 1mA < IOUT < 700mA ● 3.200 3.300 3.400 V LT1129-5 VIN = 5.5V, IOUT = 1mA, TJ = 25°C 4.925 5.000 5.075 V 6V < VIN < 20V, 1mA < IOUT < 700mA ● 4.850 5.000 5.150 V LT1129 (Note 5) VIN = 4.3V, IOUT = 1mA, TJ = 25°C 3.695 3.750 3.805 V 4.8V < VIN < 20V, 1mA < IOUT < 700mA ● 3.640 3.750 3.860 V Line Regulation (Note 12) LT1129-3.3 ∆VIN = 4.8V to 20V, IOUT = 1mA ● 1.5 10 mV LT1129-5 ∆VIN = 5.5V to 20V, IOUT = 1mA ● 1.5 10 mV LT1129 (Note 5) ∆VIN = 4.3V to 20V, IOUT = 1mA ● 1.5 10 mV Load Regulation (Note 12) LT1129-3.3 ∆ILOAD = 1mA to 700mA, TJ = 25°C6 20 mV ∆ILOAD = 1mA to 700mA ● 15 30 mV LT1129-5 ∆ILOAD = 1mA to 700mA, TJ = 25°C6 20 mV ∆ILOAD = 1mA to 700mA ● 20 30 mV LT1129 (Note 5) ∆ILOAD = 1mA to 700mA, TJ = 25°C6 20 mV ∆ILOAD = 1mA to 700mA ● 15 30 mV Dropout Voltage ILOAD = 10mA, TJ = 25°C 0.13 0.20 V (Note 6) ILOAD = 10mA ● 0.25 V ILOAD = 100mA, TJ = 25°C 0.25 0.35 V ILOAD = 100mA ● 0.45 V ILOAD = 500mA, TJ = 25°C 0.37 0.45 V ILOAD = 500mA ● 0.60 V ILOAD = 700mA, TJ = 25°C 0.45 0.55 V ILOAD = 700mA ● 0.70 V Ground Pin Current ILOAD = 0mA ● 50 70 µA (Note 7) ILOAD = 10mA ● 310 450 µA ILOAD = 100mA ● 2.0 3.5 mA ILOAD = 300mA ● 10 20 mA ILOAD = 500mA ● 25 45 mA ILOAD = 700mA ● 50 90 mA Adjust Pin Bias Current (Notes 5, 8) TJ = 25°C 150 300 nA Shutdown Threshold VOUT = Off to On ● 1.2 2.8 V VOUT = On to Off ● 0.25 0.75 V Shutdown Pin Current (Note 9) VSHDN = 0V ● 610 µA Quiescent Current in Shutdown VIN = 6V, VSHDN = 0V ● 15 25 µA (Note 10) Ripple Rejection VIN – VOUT = 1V (Avg), VRIPPLE = 0.5VP-P,52 64 dB fRIPPLE = 120Hz, ILOAD = 0.7A, TJ = 25°C Current Limit VIN – VOUT = 7V, TJ = 25°C 1.2 1.6 A Input Reverse Leakage Current VIN = –20V, VOUT = 0V ● 1.0 mA Reverse Output Current (Note 11) LT1129-3.3 VOUT = 3.3V, VIN = 0V 16 25 µA LT1129-5 VOUT = 5V, VIN = 0V 16 25 µA LT1129 (Note 5) VOUT = 3.8V, VIN = 0V 16 25 µA ELECTRICAL CHARACTERISTICS The ● denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. |
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