Datasheet LT4423 (Analog Devices) - 6

Data Sheet LT4423 TYPICAL PERFORMANCE CHARACTERISTICS –15 –1.0 TA = +125°C TA = +25°C TA = –40°C –13 –0.8 –11 –0.6 ) ) A A (µ (µ I CC I SD –9 –0.4 –7 –0.2 TA = +125°C TA = +25°C TA = –40°C –5 0 0 5 10 15 20 25 30 0 5 10 15 20 25 30 VIN (V) V
004
IN (V)
005
Figure 4. Supply Current to GND vs IN Voltage Figure 5. Supply Current to GND vs IN Voltage in Shutdown 2 2.0 IN TA = 25°C OUT IN = 28V IN = 4V 1 IN = 3.3V 1.5 IN = 2.5V IN = 1.9V ) A (µ ) 0 1.0 V (A E T I R UIO -1 0.5 2IN2 THERMAL RELIEF -2 0 –50 –25 0 25 50 75 100 125 0 125 250 375 500 TEMPERATURE (°C) V
006
REG (mV)
007
Figure 6. Reverse Leakage Current vs Temperature Figure 7. Load Current vs Forward Voltage Drop 900 100 IN = 28V IN = 4V IN = 3.3V IN = 2.5V 700 IN = 1.9V ) ) Ω s 500 (m (µ VE ONR t R 300 100 10 –50 –25 0 25 50 75 100 125 0 25 50 75 100 125 150 175 200 TEMPERATURE (°C)
008
OUT – IN (mV)
009
Figure 8. On-Resistance vs Temperature Figure 9. Turn-Off Time vs Reverse Voltage analog.com
Rev. 0 6 of 18 Document Outline Features Applications General Description Simplified Application Diagram TABLE OF CONTENTS Revision History Specifications Absolute Maximum Ratings Pin Configurations and Function Descriptions Typical Performance Characteristics Block Diagram Theory of Operation Applications Information USB PD 3.0 and Back-Up Battery Supply Automatic Power Path Control 5V Power Ride-Through High-Voltage Load Switch with Load Sharing and Undervoltage Lockout Layout and Thermal Considerations Typical Applications High-Load Current Application Reverse Input Voltage Protection Related parts Outline Dimensions Ordering Guide