LTM4612 datasheet(6/24 Pages) LINER

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LTM4612

4612f

TYPICAL PERFORMANCE CHARACTERISTICS

Start-Up with 24VIN to 12VOUT at

IOUT = 5A, TA = –55°C

Short-Circuit with 24VIN to 12VOUT

at IOUT = 0A

Short-Circuit with 24VIN to 12VOUT

at IOUT = 5A

VIN to VOUT Step-Down Ratio

Input Ripple

Output Ripple

500μs/DIV

IIN

1A/DIV

VOUT

5V/DIV

4612 G10

SOFT-START CAPACITOR: 3.9nF

CIN = 3 10μF CERAMIC CAPACITORS AND

47μF OSCON CAPACITOR

50μs/DIV

IIN

0.2A/DIV

VOUT

5V/DIV

4612 G11

COUT = 2 22μF CERAMIC CAPACITORS AND

47μF CERAMIC CAPACITORS

20μs/DIV

IIN

2A/DIV

VOUT

5V/DIV

4612 G12

COUT = 2 22μF CERAMIC CAPACITORS AND

47μF CERAMIC CAPACITORS

3.3

610

812

14 15

4612 G13

SEE FREQUENCY ADJUSTMENT SECTION

FOR OPERATIONS OUTSIDE THIS REGION

OPERATING REGION

WITH DEFAULT FREQUENCY

VOUT (V)

1μs/DIV

50mV/DIV

4612 G14

VIN = 24V

VOUT = 12V AT 5A RESISTIVE LOAD

CIN = 3 10μF 50V CERAMIC 1 100μF BULK

1μs/DIV

10mV/DIV

4612 G15

VIN = 24V

VOUT = 12V AT 5A RESISTIVE LOAD

COUT = 2 22μF 16V CERAMIC AND

47μF 16V CERAMIC

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