Datasheet LTM4671 (Analog Devices) - 8

LTM4671
TYPICAL PERFORMANCE CHARACTERISTICS 1.0V Output Transient Response 1.2V Output Transient Response 1.5V Output Transient Response
VOUT VOUT VOUT (AC-COUPLED) (AC-COUPLED) (AC-COUPLED) 50mV/DIV 50mV/DIV 50mV/DIV LOAD STEP LOAD STEP LOAD STEP 500mA/DIV 500mA/DIV 500mA/DIV 50μs/DIV 4671 G19 50μs/DIV 4671 G20 50μs/DIV 4671 G21 VIN = 12V, VOUT = 1V, fSW = 1MHz VIN = 12V, VOUT = 1.2V, fSW = 1MHz VIN = 12V, VOUT = 1.5V, fSW = 1MHz COUT = 2× 47μF + 10μF CERAMIC CAPACITORS COUT = 2× 47μF + 10μF CERAMIC CAPACITORS COUT = 2× 47μF + 10μF CERAMIC CAPACITORS CFF = 100pF CFF = 100pF CFF = 100pF 1.25A (25%) LOAD STEP, 1A/μs 1.25A (25%) LOAD STEP, 1A/μs 1.25A (25%) LOAD STEP, 1A/μs
1.8V Output Transient Response 2.5V Output Transient Response 3.3V Output Transient Response
VOUT VOUT VOUT (AC-COUPLED) (AC-COUPLED) (AC-COUPLED) 50mV/DIV 50mV/DIV 100mV/DIV LOAD STEP LOAD STEP LOAD STEP 500mA/DIV 500A/DIV 500A/DIV 50μs/DIV 4671 G22 50μs/DIV 4671 G23 50μs/DIV 4671 G24 VIN = 12V, VOUT = 1.8V, fSW = 1MHz VIN = 12V, VOUT = 2.5V, fSW = 1MHz VIN = 12V, VOUT = 3.3V, fSW = 1MHz COUT = 2× 47μF + 10μF CERAMIC CAPACITORS COUT = 2× 47μF + 10μF CERAMIC CAPACITORS COUT = 2× 47μF + 10μF CERAMIC CAPACITORS CFF = 100pF CFF = 100pF CFF = 100pF 1.25A (25%) LOAD STEP, 1A/μs 1.25A (25%) LOAD STEP, 1A/μs 1.25A (25%) LOAD STEP, 1A/μs
Start-Up Waveform with No Load Start-Up Waveform with 5A Load 5V Output Transient Response Current Applied Current Applied
RUN RUN 10V/DIV 10V/DIV VOUT PGOOD (AC-COUPLED) PGOOD 5V/DIV 5V/DIV 100mV/DIV VOUT VOUT 1V/DIV 1V/DIV LOAD STEP 500A/DIV LIN LIN 200mA/DIV 200mA/DIV 50μs/DIV 4671 G25 20ms/DIV 4671 G26 20ms/DIV 4671 G27 VIN = 12V, VOUT = 1.8V, fSW = 1MHz VIN = 12V, VOUT = 1V, fSW = 1MHz VIN = 12V, VOUT = 1V, fSW = 1MHz COUT = 2× 47μF + 10μF CERAMIC CAPACITORS COUT = 2× 47μF + 10μF CERAMIC CAPACITORS COUT = 2× 47μF + 10μF CERAMIC CAPACITORS CFF = 100pF CFF = 100pF, CSS = 0.1μF CFF = 100pF, CSS = 0.1μF 1.25A (25%) LOAD STEP, 1A/μs Rev. B 8 For more information www.analog.com Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Decoupling Requirements Operation Applications Information Typical Applications Component BGA Pinout Package Description Revision History Package Photo Related Parts