Datasheet LTM4613 (Analog Devices) - 5

LTM4613
TYPICAL PERFORMANCE CHARACTERISTICS (Refer to Figure 18) Efficiency vs Load Current with Efficiency vs Load Current with Efficiency vs Load Current with 3.3VOUT (FCB = 0) 5VOUT (FCB = 0) 12VOUT (FCB = 0)
100 100 100 95 95 95 90 90 90 85 85 85 80 80 80 EFFICIENCY (%) 75 EFFICIENCY (%) 75 EFFICIENCY (%) 75 70 5VIN, 3.3VOUT 70 70 20VIN, 12VOUT 12VIN, 3.3VOUT 12VIN, 5VOUT 24VIN, 12VOUT 65 24VIN, 3.3VOUT 65 24VIN, 5VOUT 65 28VIN, 12VOUT 36VIN, 3.3VOUT 36VIN, 5VOUT 36VIN, 12VOUT 60 60 60 0 1 2 3 4 5 6 7 8 0 1 2 3 4 5 6 7 8 0 1 2 3 4 5 6 7 8 LOAD CURRENT (A) LOAD CURRENT (A) LOAD CURRENT (A) 4613 G01 4613 G02 4613 G03
Efficiency vs Load Current with Transient Response from 12VIN Transient Response from 12VIN 15VOUT (FCB = 0) to 3.3VOUT to 5VOUT
100 95 IOUT IOUT 90 5A/DIV 5A/DIV 85 V V OUT OUT 100mV/DIV 80 100mV/DIV AC AC EFFICIENCY (%) 75 100µs/DIV 4613 G05 100µs/DIV 4613 G06 70 24VIN, 15VOUT LOAD STEP: 0A TO 4A LOAD STEP: 0A TO 4A 28VIN, 15VOUT COUT = 1 × 47µF POSCAP COUT = 1 × 47µF POSCAP 65 32VIN, 15VOUT 1 × 10µF CERAMIC CAPACITOR AND 1 × 10µF CERAMIC CAPACITOR AND 36VIN, 15VOUT 3 × 47µF CERAMIC CAPACITORS 3 × 47µF CERAMIC CAPACITORS 60 0 1 2 3 4 5 6 7 8 LOAD CURRENT (A) 4613 G04
Transient Response from 24VIN Start-Up with 24VIN to 12VOUT Start-Up with 24VIN to 12VOUT at to 12VOUT at IOUT = 0A IOUT = 8A
IOUT I 5A/DIV IIN IN 200mA/DIV 1A/DIV VOUT VOUT V 200mV/DIV 5V/DIV OUT 5V/DIV AC 100µs/DIV 4613 G07 10ms/DIV 4613 G08 10ms/DIV 4613 G09 LOAD STEP: 0A TO 4A SOFT-START CAPACITOR: 0.1µF SOFT-START CAPACITOR: 0.1µF COUT = 1 × 47µF POSCAP CIN = 2 × 10µF CERAMIC CAPACITORS AND CIN = 2 × 10µF CERAMIC CAPACITORS AND 1 × 10µF CERAMIC CAPACITOR AND 1 × 100µF OS-CON CAPACITOR 1 × 100µF OS-CON CAPACITOR 3 × 47µF CERAMIC CAPACITORS 4613fd For more information www.linear.com/LTM4613 5 Document Outline Features Description Applications Typical Application Absolute Maximum Ratings Pin Configuration Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Decoupling Requirements Operation Applications Information Package Photograph Related Parts