Datasheet LTC3601 (Analog Devices) - 6

LTC3601
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, VIN = 12V, fO = 1MHz, L = 2.2µH unless otherwise noted. Output Voltage vs Time Output Voltage vs Time Burst Mode Operation Forced Continuous Mode Output Tracking
VOUT SW SW 5V/DIV 5V/DIV TRACK VOUT VOUT 20mV/DIV 20mV/DIV AC COUPLED AC COUPLED VFB IL I 1A/DIV L 1A/DIV 2µs/DIV 3601 G12 VIN = 12V 2µs/DIV 3601 G13 VIN = 12V 2ms/DIV 3601 G14 VIN = 12V VOUT = 1.8V VOUT = 1.8V VOUT = 1.8V ILOAD = 100mA ILOAD = 100mA RLOAD = 36Ω
Start-Up from Shutdown Start-Up from Shutdown Load Step Burst Mode Operation Forced Continuous Mode Burst Mode Operation
RUN RUN V 2V/DIV OUT 2V/DIV 100mV/DIV PGOOD AC COUPLED 5V/DIV VOUT IL VOUT 1V/DIV 1A/DIV 2V/DIV IL ILOAD I 1A/DIV 1A/DIV L 1A/DIV 200µs/DIV 3601 G15 VIN = 12V 200µs/DIV 3601 G16 VIN = 12V 10µs/DIV 3601 G17 VIN = 12V VOUT = 1.8V VOUT = 1.8V VOUT = 1.8V ILOAD = 20mA ILOAD = 1.5A ILOAD = 150mA TO 1.5A
Start-Up Into Pre-Biased Output Load Step Short-Circuit Waveforms (1V Pre-Bias) Burst Mode Forced Continuous Mode Forced Continuous Mode Operation
V RUN OUT PGOOD 100mV/DIV 2V/DIV 10V/DIV AC COUPLED PGOOD 5V/DIV IL VOUT 1A/DIV 1V/DIV VOUT 1V/DIV I I L LOAD 2A/DIV 1A/DIV IL 1A/DIV 10µs/DIV 3601 G18 VIN = 12V 100µs/DIV 3601 G19 VIN = 12V 1ms/DIV 3601 G20 VIN = 12V VOUT = 1.8V VOUT = 1.8V VOUT = 1.8V ILOAD = 150mA TO 1.5A ILOAD = 5mA 3601fc 6 For more information www.linear.com/LTC3601 Document Outline Features Description Applications Typical Application Absolute Maximum Ratings Pin Configuration Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Related Parts