Datasheet

5
4602fa
LTM4602
Start-Up, No Load, I
OUT
= 0A
Start-Up, I
OUT
= 6A
(
Resistive Load
)
Short-Circuit Protection,
I
OUT
= 0A
Short-Circuit Protection,
I
OUT
= 6A
V
IN
to V
OUT
Step-Down Ratio
(See Figure 21 for all curves)
V
IN
(V)
0
5.5
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
515
4602 G14
10 20
V
OUT
(V)
5V
3.3V
2.5V
1.8V
1.5V
1.2V
f
ADJ
= OPEN
SEE FREQUENCY ADJUSTMENT DISCUSSION
FOR 12V
IN
TO 5V
OUT
AND 5V
IN
TO 3.3V
OUT
CONVERSION
0.6V
V
IN
= 12V
V
OUT
= 1.5V
C
OUT
= 1 × 22μF, 6.3V X5R
330μF, 4V SANYO POSCAP
NO EXTERNAL SOFT-START CAPACITOR
200μs/DIV
4602 G10
V
OUT
0.5V/DIV
I
IN
0.5A/DIV
V
IN
= 12V
V
OUT
= 1.5V
C
OUT
= 1 × 22μF, 6.3V X5R
330μF, 4V SANYO POSCAP
NO EXTERNAL SOFT-START CAPACITOR
500μs/DIV
4602 G11
V
OUT
0.5V/DIV
I
IN
0.5A/DIV
V
IN
= 12V
V
OUT
= 1.5V
C
OUT
= 1 × 22μF, 6.3V X5R
330μF, 4V SANYO POSCAP
NO EXTERNAL SOFT-START CAPACITOR
20μs/DIV
4602 G12
V
OUT
0.5V/DIV
I
IN
0.5A/DIV
V
IN
= 12V
V
OUT
= 1.5V
C
OUT
= 1 × 22μF, 6.3V X5R
330μF, 4V SANYO POSCAP
NO EXTERNAL SOFT-START CAPACITOR
20μs/DIV
4602 G13
V
OUT
0.5V/DIV
I
IN
0.5A/DIV
TYPICAL PERFORMANCE CHARACTERISTICS