LTM4613
TYPICAL PERFORMANCE CHARACTERISTICS
I OUT
2A/DIV
V OUT
5V/DIV
Start-Up with 24V IN to 12V OUT at
I OUT = 8A, T A = –55°C
I IN
500mA/DIV
V OUT
5V/DIV
Short-Circuit with 24V IN to 12V OUT
at I OUT = 0A
I IN
2A/DIV
V OUT
5V/DIV
Short-Circuit with 24V IN to 12V OUT
at I OUT = 8A
20ms/DIV
4613 G10
SOFT-START CAPACITOR: 0.1μF
C IN = 2 × 10μF CERAMIC CAPACITORS AND
1 × 100μF OS-CON CAPACITOR
V IN to V OUT Step-Down Ratio
20μs/DIV
C OUT = 1 × 47μF POSCAP,
1 × 10μF CERAMIC CAPACITORS
AND 3 × 47μF CERAMIC CAPACITORS
Input Ripple
4613 G11
20μs/DIV
C OUT = 1 × 47μF POSCAP,
1 × 10μF CERAMIC CAPACITORS
AND 3 × 47μF CERAMIC CAPACITORS
Output Ripple
4613 G12
36
30
24
18
V IN
100mV/DIV
AC
V OUT
10mV/DIV
AC
1μs/DIV
12
6
0
3.3
5
7 9 11
13
15
4613 G14
V IN = 24V
V OUT = 12V AT 8A RESISTIVE LOAD
C IN = 2 × 10μF CERAMIC CAPACITORS AND
1 × 100μF OS-CON CAPACITOR
1μs/DIV
V IN = 24V
V OUT = 12V AT 8A RESISTIVE LOAD
C OUT = 1 × 47μF POSCAP
1 × 10μF CERAMIC CAPACITOR AND
3 × 47μF CERAMIC CAPACITORS
4613 G15
OUTPUT VOLTAGE (V)
4613 G13
4613f
6
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