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LT1501IS8-5 Datasheet(PDF) 3 Page - Linear Technology |
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LT1501IS8-5 Datasheet(HTML) 3 Page - Linear Technology |
3 / 16 page 3 LT1500/LT1501 ELECTRICAL CHARACTERISTICS T J = 25°C, VIN = 2.3V unless otherwise noted. PARAMETER CONDITIONS MIN TYP MAX UNITS Internal Divider Current LT1500-3.3/LT1501-3.3 q 22 30 µA LT1500-5/LT1501-5 q 33 45 µA Operating Quiescent Current VIN ≤ 5V, VSHDN = 2.3V (Note 1) q 200 280 µA VIN = 15V q 320 µA Supply Current in Shutdown VSHDN ≤ 0.2V, Fixed Voltages (Note 7) TJ ≥ 0°C q 815 µA TJ < 0°C20 µA Shutdown Pin Threshold q 0.4 1.1 V Shutdown Pin Input Current VSHDN = 2.3V q 310 µA Input Start-Up Voltage VSHDN = VIN TJ ≥ 0°C q 2.0 2.1 V TJ < 0°C 2.2 V Undervoltage Lockout Light Load 1.8 V Full Load 2.0 2.1 V Power Switch Switch On Resistance ISW = 0.7A (Note 2) q 0.50 0.72 Ω Peak Switch Current (Note 3) q 0.7 0.85 1.3 A Switch Breakdown Voltage ISW = 100µA q 30 45 V Switch Leakage Current VSW = 5V q 0.2 5 µA VSW = 20V q 0.3 10 µA Switch Turn-On Delay (Note 5) 800 ns Switch Turn-Off Delay (Note 5) 400 ns Current Sense Resistor q 0.28 0.42 Ω Low-Battery Comparator Low-Battery Threshold Falling Edge q 1.20 1.24 1.28 V Threshold Hysteresis 20 mV LBI Input Bias Current q 20 50 nA LBO Output Low State VLBI = 1.2V, ISINK = 100µA q 0.1 0.25 V ISINK = 2mA q 0.3 0.5 V LBO Leakage Current VLBI = 1.3V, VLBO ≤ 15V q 2 µA LT1500 Functions SYNC Pin Bias Current VSYNC = 3.3V q 15 35 µA SYNC Pin Threshold q 0.4 1.3 V Error Amplifier Transconductance 600 µmho VC Pin Source Current 20 µA VC Pin High Clamp Voltage 1.20 1.26 1.32 V NFB Reference Voltage FB Pin Open q 1.230 1.265 1.300 V NFB Pin Bias Current q 12 20 µA NFB to FB Transconductance Note 4 10,000 µmho Soft Start Bias Current Current Flows Out of Pin q 247 µA |
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