ltm4602hv Linear Technology Corporation, ltm4602hv Datasheet - Page 5

• Manufacturer Part Number: ltm4602hv
• Description: 6a, 28vin High Efficiency Dc/dc ?module
• Manufacturer: Linear Technology Corporation

0.5V/DIV
0.5A/DIV
TYPICAL PERFOR A CE CHARACTERISTICS
50mV/DIV
2A/DIV
V
OUT
V
I
I
OUT
OUT
IN
V
V
C
330µF, 4V SANYO POS CAP
NO EXTERNAL SOFT-START CAPACITOR
Short-Circuit Protection,
I
OUT
IN
OUT
OUT
3.3V Transient Response
3.3V AT 3A/µs LOAD STEP
C
330µF, 4V SANYO POS CAP
OUT
= 12V
= 1.5V
= 1 × 22µF, 6.3V X5R
= 0A
= 22µF, 6.3V CERAMIC
20µs/DIV
20µs/DIV
W
4602HV G12
4602HV G09
U
0.5V/DIV
0.5A/DIV
0.5V/DIV
0.5A/DIV
V
V
OUT
OUT
I
I
IN
IN
Short-Circuit Protection,
I
V
V
C
330µF, 4V SANYO POS CAP
NO EXTERNAL SOFT-START CAPACITOR
V
V
C
330µF, 4V SANYO POS CAP
NO EXTERNAL SOFT-START CAPACITOR
Start-Up, I
OUT
IN
OUT
OUT
IN
OUT
OUT
= 12V
= 12V
= 1.5V
= 1 × 22µF, 6.3V X5R
= 1.5V
= 1 × 22µF, 6.3V X5R
= 6A
OUT
200µs/DIV
20µs/DIV
= 0A
(See Figure 22 for all curves)
4602HV G10
4602HV G13
0.5V/DIV
0.5A/DIV
V
5.5
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
OUT
0
I
IN
0
V
SEE FREQUENCY ADJUSTMENT DISCUSSION
FOR 12V
CONVERSION
f
V
V
C
330µF, 4V SANYO POS CAP
NO EXTERNAL SOFT-START CAPACITOR
Start-Up, I
(Resistive Load)
ADJ
IN
IN
OUT
OUT
to V
= 12V
= OPEN
= 1.5V
= 1 × 22µF, 6.3V X5R
5
IN
OUT
LTM4602HV
TO 5V
0.6V
OUT
Stepdown Ratio
10
OUT
1.2V
500µs/DIV
V
= 6A
IN
AND 5V
15
(V)
IN
1.5V
TO 3.3V
20
1.8V
3.3V
2.5V
5V
OUT
4602HV G14
25
4602hvf
4602HV G11
5
28