Datasheet LTC3544B (Analog Devices) - 5

LTC3544B Typical perForMance characTerisTics
Load Step Response, 300mA Load Step Response, 200mA Start-Up Curves, All Channels Channel Channel A
VOUT300 VOUT200A 100mV/DIV 50mV/DIV AC-COUPLED V AC-COUPLED OUT100 VOUT200A IL V I 250mA/DIV OUT200B L 250mA/DIV VOUT300 ILOAD ILOAD 100mA/DIV RUNx 250mA/DIV V 3544B G10 3544B G11 IN = 3.6V 200µs/DIV VIN = 3.6V 20µs/DIV V 3544B G12 IN = 3.6V 20µs/DIV TA = 25°C VOUT = 1.8V VOUT = 0.8V ALL CHANNELS UNLOADED TA = 25°C TA = 25°C ILOAD = 300µA TO 300mA ILOAD = 340µA TO 200mA
Load Step Response, 200mA Load Step Response, 100mA Channel B Channel Load Step Crosstalk
VOUT200B V 50mV/DIV OUT100 10mV/DIV AC-COUPLED VOUT100 50mV/DIV AC-COUPLED VOUT200A IL 10mV/DIV 250mA/DIV IL 100mA/DIV VOUT200B 10mV/DIV ILOAD 100mA/DIV ILOAD VOUT300 100mA/DIV 100mV/DIV V 3544B G13 3544B G14 3544B G15 IN = 3.6V 20µs/DIV VIN = 3.6V 20µs/DIV VIN = 3.6V 40µs/DIV VOUT = 1.5V VOUT = 1.2V TA = 25°C TA = 25°C TA = 25°C 300mA LOAD STEP ON VOUT300 ILOAD = 340µA TO 200mA ILOAD = 200µA TO 100mA OTHER CHANNELS LOADED 50% OF MAXIMUM 3544bfb Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Functional Diagrams Operation Applications Information Package Description Revision History Related Parts