LT8697 ELECTRICAL CHARACTERISTICS Note 1: Stresses beyond those listed under Absolute Maximum Ratings degrade operating lifetimes. Operating lifetime is derated at junction may cause permanent damage to the device. Exposure to any Absolute temperatures above 125°C. Maximum Rating condition for extended periods may affect device Note 3: This IC includes overtemperature protection that is intended to reliability and lifetime. protect the device during overload conditions. Junction temperature will Note 2: The LT8697E is guaranteed to meet performance specifications exceed 150°C when overtemperature protection is active. Continuous from 0°C to 125°C junction temperature. Specifications over the –40°C operation above the specified maximum operating junction temperature to 125°C operating junction temperature range are assured by design, will reduce lifetime. characterization, and correlation with statistical process controls. The Note 4: Polarity specification for current into a pin is positive and out of LT8697I is guaranteed over the full –40°C to 125°C operating junction a pin is negative. All voltages are referenced to GND unless otherwise temperature range. The LT8697H is guaranteed over the full –40°C to specified. MAX and MIN refer to absolute values. 150°C operating junction temperature range. High junction temperatures TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, unless otherwise noted.VUSB5V vs TemperatureVUSB5V vs VINIUSB5V vs Temperature 5.00 5.02 70 RCBL = 13.7k 60 4.98 5.01 VSENSE = 40mV 50 4.96 5.00 (V) (V) (µA) 40 V USB5V 4.94 V USB5V 4.99 I USB5V 30 V 20 SENSE = 10mV 4.92 4.98 10 VSENSE = 0mV 4.90 4.97 0 –55 –25 5 35 65 95 125 155 6 10 14 18 22 26 30 34 38 42 –55 –25 5 35 65 95 125 155 TEMPERATURE (°C) VIN (V) TEMPERATURE (°C) 8697 G01 8697 G02 8697 G03 IUSB5V vs VSENSEIUSB5V vs FrequencyVSENSE vs VCTRL 250 64 60 V 225 IN = 12V RCDC = 10k 200 R 50 62 CBL = 13.3k ILOAD = 2A 175 RSENSE = 20mΩ 40 150 R 60 (µA) CBL = 4.12k (µA) (mV) 125 30 I USB5V 100 I USB5V 58 V SENSE 75 20 RCBL = 13.7k 50 56 R 10 25 CBL = 40.2k 0 54 0 0 10 20 30 40 50 0.2 0.7 1.2 1.7 2.2 0 0.2 0.4 0.6 0.8 1 1.2 VSENSE (mV) V FREQUENCY (MHz) CTRL (V) 8697 G04 8697 G06 8697 G05 8697fb 4 For more information www.linear.com/LT8697 Document Outline Features Applications Typical Application Absolute Maximum Ratings Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Typical Applications Package Description Revision History Typical Application Related Parts
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