Datasheet LTC4125 (Analog Devices) - 5

LTC4125
Typical perForMance characTerisTics TA = 25°C, unless otherwise noted. Supply Quiescent Current at IN, EN Threshold IN1 and IN2 Over Temperature Over Temperature
1.6 120.0 1.225 40.0 VIN = VIN1 = VIN2 = 5V 1.4 SW1 = SW2 = OPEN 105.0 1.220 36.0 1.215 32.0 1.2 90.0 1.210 28.0 HYSTERESIS (mV) I 1.0 75.0 IN1 EN FALLING THRESHOLD IIN , I 1.205 24.0 IN2 (mA) 0.8 60.0 (µA) 1.200 20.0 I IN IIN1, IIN2 0.6 45.0 1.195 HYSTERESIS 16.0 ALLING THRESHOLD (V) 1.190 12.0 0.4 30.0 F EN 1.185 8.0 0.2 15.0 1.180 4.0 0.0 0.0 1.175 0.0 –45 –20 5 30 55 80 105 130 –45 –20 5 30 55 80 105 130 TEMPERATURE (°C) TEMPERATURE (°C) 4125 G01 4125 G02
CTS, CTD Pin Frequency and Search Delay Time Over Switch Resistances Over Temperature Temperature
22.5 6.0 200 CTD = CTS = 470pF VIN = 5V T3 – SEARCH DELA 160 19.5 5.0 120 (kHz) FCTD, FCTS RA, RD CTS 16.5 4.0 , F ANCE (mΩ) SEARCH DELAY TIME (T3) Y TIME (s) 80 F CTD R RESIST B, RC 13.5 3.0 40 10.5 2.0 0 –45 –20 5 30 55 80 105 130 –45 –20 5 30 55 80 105 130 TEMPERATURE (°C) TEMPERATURE (°C) 4125 G03 4125 G04
VIS+,IS– Sense Amplifier Offset Input Current Threshold and Limit Over Temperature Over Temperature
1.5 1.225 0.815 VISN = 5V 1.220 0.812 1 1.215 0.809 1.210 0.806 0.5 1.205 0.803 VIMON – (mV) (V) INPUT CURRENT THRESHOLD 0 1.200 0.800 (V) + ,IS V IMON V IS 1.195 0.797 –0.5 INPUT CURRENT LIMIT 1.190 0.794 1.185 0.791 –1.0 1.180 0.788 –1.5 1.175 0.785 –45 –20 5 30 55 80 105 130 –45 –20 5 30 55 80 105 130 TEMPERATURE (°C) TEMPERATURE (°C) 4125 G05 4125 G06 4125f For more information www.linear.com/LTC4125 5 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Order Information Pin Configuration Electrical Characteristics Typical Performance Characteristics Pin Functions Functional Block Diagram Operation Applications Information Typical Applications Package Description Typical Application Related Parts