Datasheet LTC3615, LTC3615-1 (Analog Devices) - 6

LTC3615/LTC3615-1
Typical perForMance characTerisTics VIN = 3.3V, RT/SYNC = SVIN, unless otherwise noted. Forced Continuous Mode Operation (FCM) Pulse-Skipping Mode Operation Burst Mode Operation
VOUT 20mV/DIV VOUT VOUT 20mV/DIV 20mV/DIV IL 200mA/DIV I I L L 500mA/DIV 500mA/DIV 1µs/DIV 3615 G09 VOUT = 1.8V 20µs/DIV 3615 G10 VOUT = 1.8V 20µs/DIV 3615 G11 VOUT = 1.8V IOUT = 100mA IOUT = 75mA IOUT = 75mA VMODE = 1.5V VMODE = 3.3V VMODE = 0V
Load Step Transient in Load Step Transient Load Step Transient in FCM External Compensation in Pulse-Skipping Mode Burst Mode Operation
VOUT VOUT VOUT 200mV/DIV 200mV/DIV 200mV/DIV I I IL L L 1A/DIV 1A/DIV 1A/DIV 50µs/DIV 3615 G12 VOUT = 1.8V 50µs/DIV 3615 G13 VOUT = 1.8V 50µs/DIV 3615 G14 VOUT = 1.8V ILOAD = 100mA TO 3A ILOAD = 100mA TO 3A ILOAD = 100mA TO 3A VMODE = 1.5V VMODE = 3.3V VMODE = 0V COMPENSATION FIGURE 1 COMPENSATION FIGURE 1 COMPENSATION FIGURE 1
Load Step Transient in Forced Load Step Transient in FCM Continuous Mode Sourcing and Internal Start-Up in Forced with AVP Mode Sinking Current Continuous Mode
VOUT RUN 100mV/DIV VOUT 1V/DIV 200mV/DIV V I OUT L 500mV/DIV 1A/DIV IL IL 1A/DIV 2A/DIV 0A PGOOD 2V/DIV 50µs/DIV 3615 G15 VOUT = 1.8V 500µs/DIV 3615 G17 VOUT = 1.8V ILOAD = 100mA TO 3A 50µs/DIV 3615 G16 VOUT = 1.8V IOUT = 3A VMODE = 1.5V ILOAD = –1.5A TO 3A VMODE = 1.5V VITH = 3.3V VMODE = 1.5V OUTPUT CAPACITOR VALUE FIGURE 1 COMPENSATION FIGURE 1 3615fb 6 For more information www.linear.com/LTC3615 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Functional Block Diagram Operation Applications Information Typical Applications Package Description Revision History Typical Application Related Parts