LTM4602HV_15 Datasheet, PDF (5/24 Pages) Linear Technology – 6A, 28VIN High Efficiency DC/DC Module

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