LTM4662 TYPICAL PERFORMANCE CHARACTERISTICS2.5V Single Phase Single Output3.3V Single Phase Single Output5V Single Phase Single OutputLoad Transient ResponseLoad Transient ResponseLoad Transient Response IOUT 7.5A/DIV IOUT IOUT 5A/DIV 5A/DIV 2.5VOUT 3.3VOUT 5V 100mV/DIV 100mV/DIV OUT 100mV/DIV 50µs/DIV 4662 G10 50µs/DIV 4662 G11 50µs/DIV 4662 G12 COUT = 100µF ×2, CERAMIC COUT = 100µF ×1, CERAMIC COUT = 100µF ×1, CERAMIC CCOMP = 100pF, CFF = 47pF CCOMP = 100pF, CFF = 47pF CCOMP = 100pF, CFF = 47pF f = 500kHz f = 750kHz f = 950kHz Single Phase Single OutputSingle Phase Single OutputStart-Up, No LoadStart-Up, 15A LoadTwo-Phase Switching and Ripple VOUT VOUT 0.5V/DIV 0.5V/DIV VOUT 5V/DIV VOUT 10mV/DIV IOUT IOUT 1A/DIV 10A/DIV 50ms/DIV 4662 G15 4662 G13 20ms/DIV 4662 G14 1µs/DIV 12V 12V TO 1V AT 30A TWO-PHASE IN, 1.5VOUT AT NO LOAD 12VIN, 1.5VOUT AT 15A LOAD C 12V TO 1V AT 350kHz OUT = 470µF ×1, 2.5V, SANYO POSCAP, COUT = 470µF ×1, 2.5V, SANYO POSCAP, 100µF ×4, 6.3V, CERAMIC 100µF ×4, 6.3V, CERAMIC RIPPLE AT 30A LOAD SOFT-START CAPACITOR = 0.1µF SOFT-START CAPACITOR = 0.1µF COUT = 330μF, 9mΩ, 100μF ×4, CERAMIC USE RUN PIN TO CONTROL START-UP USE RUN PIN TO CONTROL START-UP Short-Circuit Protection, No LoadShort-Circuit Protection, 15A Load VOUT VOUT 500mV/DIV 500mV/DIV IIN I 1A/DIV OUT 1A/DIV 20ms/DIV 4662 G16 20ms/DIV 4662 G17 VIN = 12V V V IN = 12V OUT = 1.5V V I OUT = 1.5V OUT = NO LOAD IOUT = 15A Rev. A For more information www.analog.com 7 Document Outline Operation Applications Information Package Description Package Photo Related Parts Features Applications Typical Application Description Absolute Maximum Ratings Order Information Pin Configuration Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Decoupling Requirements Operation Applications Information Package Description Revision History Package Photo Design Resources Related Parts