LTM4602 LINER [Linear Technology], LTM4602 Datasheet - Page 5

• Manufacturer Part Number: LTM4602
• Description: 6A High Effi ciency DC/DC ?Module
• Manufacturer: LINER [Linear Technology]

TYPICAL PERFORMANCE CHARACTERISTICS
0.5V/DIV
0.5A/DIV
V
OUT
I
IN
Start-Up, No Load, I
V
V
C
330μF, 4V SANYO POSCAP
NO EXTERNAL SOFT-START CAPACITOR
IN
OUT
OUT
= 12V
= 1.5V
= 1 × 22μF, 6.3V X5R
0.5V/DIV
0.5A/DIV
V
OUT
I
IN
200μs/DIV
Short-Circuit Protection,
I
V
V
C
330μF, 4V SANYO POSCAP
NO EXTERNAL SOFT-START CAPACITOR
OUT
IN
OUT
OUT
= 12V
OUT
= 6A
= 1.5V
= 1 × 22μF, 6.3V X5R
= 0A
20μs/DIV
4602 G10
0.5V/DIV
0.5A/DIV
V
OUT
I
IN
4602 G13
Start-Up, I
(Resistive Load)
V
V
C
330μF, 4V SANYO POSCAP
NO EXTERNAL SOFT-START CAPACITOR
IN
OUT
OUT
= 12V
= 1.5V
= 1 × 22μF, 6.3V X5R
OUT
500μs/DIV
= 6A
5.5
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
0
V
SEE FREQUENCY ADJUSTMENT DISCUSSION
FOR 12V
CONVERSION
f
ADJ
IN
(See Figure 21 for all curves)
to V
= OPEN
4602 G11
IN
OUT
5
TO 5V
0.6V
Step-Down Ratio
OUT
1.2V
V
0.5V/DIV
0.5A/DIV
IN
AND 5V
10
V
(V)
OUT
I
IN
IN
V
V
C
330μF, 4V SANYO POSCAP
NO EXTERNAL SOFT-START CAPACITOR
Short-Circuit Protection,
I
OUT
IN
OUT
OUT
TO 3.3V
= 12V
15
1.8V
3.3V
= 1.5V
= 1 × 22μF, 6.3V X5R
2.5V
5V
= 0A
OUT
4602 G14
1.5V
20
LTM4602
20μs/DIV
4602fa
5
4602 G12