Datasheet LTC3860 (Analog Devices) - 7
| Manufacturer | Analog Devices |
| Description | Dual, Multiphase Step-Down Voltage Mode DC/DC Controller with Current Sharing |
| Pages / Page | 36 / 7 — TYPICAL PERFORMANCE CHARACTERISTICS. Soft-Start Start-Up. Ratiometric … |
| File Format / Size | PDF / 451 Kb |
| Document Language | English |
TYPICAL PERFORMANCE CHARACTERISTICS. Soft-Start Start-Up. Ratiometric Tracking Start-Up. Line Step Transient Response
Model Line for this Datasheet
Text Version of Document
LTC3860
TYPICAL PERFORMANCE CHARACTERISTICS Soft-Start Start-Up Ratiometric Tracking Start-Up
TRACK/SS1 500mV/DIV VOUT1 200mV/DIV VOUT1 500mV/DIV 3860 G12 3860 G13 V 5ms/DIV IN = 12V 2μs/DIV VOUT1 = 1.2V CHANNEL 1 TRACKING OFF PULSE GENERATOR 0.1μF CAPACITOR ON TRACK/SS1
Line Step Transient Response Coincident Tracking Start-Up (2-Phase)
VOUT TRACK/SS1 50mV/DIV 500mV/DIV IL1 5A/DIV IL2 5A/DIV VOUT1 500mV/DIV VIN 5V/DIV COMP1 100mV/DIV 3860 G14 3860 G15 2μs/DIV V 20μs/DIV IN = 12V CHANNEL 1 TRACKING OFF PULSE GENERATOR VOUT = 1.8V VIN STEP = 7V TO 14V
Line Step Transient Response Line Step Transient Response (2-Phase) (Single Phase)
VOUT VOUT 50mV/DIV 50mV/DIV IL1 5A/DIV IL IL2 2A/DIV 5A/DIV VIN VIN 5V/DIV 5V/DIV COMP1 COMP1 100mV/DIV 100mV/DIV 3860 G16 3860 G17 V 20μs/DIV IN = 12V 20μs/DIV V V OUT = 1.2V OUT = 1.2V V V IN STEP = 7V TO 14V IN STEP = 7V TO 14V 3860fc 7 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
TYPICAL PERFORMANCE CHARACTERISTICS Soft-Start Start-Up Ratiometric Tracking Start-Up
TRACK/SS1 500mV/DIV VOUT1 200mV/DIV VOUT1 500mV/DIV 3860 G12 3860 G13 V 5ms/DIV IN = 12V 2μs/DIV VOUT1 = 1.2V CHANNEL 1 TRACKING OFF PULSE GENERATOR 0.1μF CAPACITOR ON TRACK/SS1
Line Step Transient Response Coincident Tracking Start-Up (2-Phase)
VOUT TRACK/SS1 50mV/DIV 500mV/DIV IL1 5A/DIV IL2 5A/DIV VOUT1 500mV/DIV VIN 5V/DIV COMP1 100mV/DIV 3860 G14 3860 G15 2μs/DIV V 20μs/DIV IN = 12V CHANNEL 1 TRACKING OFF PULSE GENERATOR VOUT = 1.8V VIN STEP = 7V TO 14V
Line Step Transient Response Line Step Transient Response (2-Phase) (Single Phase)
VOUT VOUT 50mV/DIV 50mV/DIV IL1 5A/DIV IL IL2 2A/DIV 5A/DIV VIN VIN 5V/DIV 5V/DIV COMP1 COMP1 100mV/DIV 100mV/DIV 3860 G16 3860 G17 V 20μs/DIV IN = 12V 20μs/DIV V V OUT = 1.2V OUT = 1.2V V V IN STEP = 7V TO 14V IN STEP = 7V TO 14V 3860fc 7 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
