Datasheet LTC3862 (Linear Technology) - 6

LTC3862
Typical perForMance characTerisTics INTVCC Line Regulation INTVCC Load Regulation INTVCC vs Temperature
5.25 5.00 5.00 4.99 4.98 4.95 4.97 4.96 TAGE (V) TAGE (V) 5.00 4.90 4.95 VOL VOL VOLTAGE (V) V CC V CC CC 4.94 INT INT INTV 4.93 4.85 4.92 4.91 4.75 4.80 4.90 0 5 10 15 20 25 0 10 20 30 40 50 –50 –25 0 25 50 75 100 125 150 INPUT VOLTAGE (V) INTVCC LOAD CURRENT (mA) TEMPERATURE (°C) 3962 G09 3862 G10 3862 G11
INTVCC LDO Dropout vs Load INTVCC UVLO Threshold vs Current, Temperature Temperature Feedback Voltage vs Temperature
1600 3.6 1.235 1.233 1400 3.5 150°C 1.231 3.4 1200 1.229 125°C 3.3 1.227 1000 85°C 3.2 1.225 800 3.1 TAGE (V) 1.223 VOLTAGE (V) 25°C 1.221 600 CC 3.0 FB VOL 1.219 INTV 2.9 DROPOUT VOLTAGE (mV) 400 –40°C 1.217 2.8 1.215 200 2.7 1.213 0 2.6 1.211 0 10 20 30 40 50 –50 –25 0 25 50 75 100 125 150 –50 –25 0 25 50 75 100 125 150 INTVCC LOAD (mA) TEMPERATURE (°C) TEMPERATURE (°C) 3862 G12 3862 G13 3862 G14
Feedback Voltage Line Current Sense Threshold vs Current Sense Threshold vs Regulation ITH Voltage Temperature
1.226 80 80 79 70 1.225 78 60 1.224 77 50 76 1.223 40 75 74 FB VOLTAGE (V) 30 1.222 73 20 1.221 72 CURRENT SENSE THRESHOLD (mV) 10 CURRENT SENSE THRESHOLD (mV) 71 1.220 0 70 4 8 12 16 20 24 28 32 36 0 0.4 0.8 1.2 1.6 2.0 2.4 –50 –25 0 25 50 75 100 125 150 INPUT VOLTAGE (V) ITH VOLTAGE (V) TEMPERATURE (°C) 3862 G15 3862 G16 3862 G17 3862fc 6 For more information www.linear.com/LTC3862 Document Outline Features Description Applications Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Functional Diagram Operation Applications Information Typical Applications Package Description Revision History Typical Application Related Parts