DC1297B Linear Technology, DC1297B Datasheet - Page 18

• Manufacturer Part Number: DC1297B
• Description: BOARD EVAL LTM4612
• Manufacturer: Linear Technology
• Series: µModuler

Specifications of DC1297B

• Design Resources: LTM4612 Spice Model LTM4612 Gerber Files DC1297B Design Files DC1297B Schematic
• Main Purpose: DC/DC, Step Down
• Outputs And Type: 1, Non-Isolated
• Power - Output: -
• Voltage - Output: 3.3V, 5V ,12V
• Current - Output: 5A
• Voltage - Input: 5 ~ 36 V
• Regulator Topology: Buck
• Frequency - Switching: 850kHz
• Board Type: Fully Populated
• Utilized Ic / Part: LTM4612
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

LTM4612
18
applicaTions inForMaTion
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
6
4
3
2
1
0
5
25
0
35
Figure 12. BGA Heat Sink
with 36V
Figure 9. Power Loss at
12V
36V
AMBIENT TEMPERATURE (°C)
1
45
OUT
IN
TO 15V
0LFM
LOAD CURRENT (A)
and 15V
55
IN
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
LFM
2
200
0
to 5V
OUT
25
65
24V
0LFM
OUT
OUT
35
IN
3
75
Figure 15. No Heat Sink
with 36V
TO 12V
AMBIENT TEMPERATURE (°C)
400LFM
85
45
4
OUT
200LFM
95
4612 F12
55
IN
4612 F09
to 15V
105
5
65
400LFM
OUT
75
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
6
4
0
5
3
2
1
25
85
0
4612 F15
Figure 10. Power Loss at 5V
35
95
Figure 13. No Heat Sink
with 24V
AMBIENT TEMPERATURE (°C)
1
45
0LFM
LOAD CURRENT (A)
LFM
55
200
36V
IN
2
IN
to 12V
65
TO 5V
75
3
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
OUT
0
OUT
400LFM
25
85
4
Figure 16. BGA Heat Sink
with 36V
35
95
4612 F13
0LFM
OUT
AMBIENT TEMPERATURE (°C)
4612 F10
105
45
5
IN
55
200LFM
to 15V
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
65
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
0
25
OUT
25
75
400LFM
35
35
Figure 14. BGA Heat Sink
with 24V
AMBIENT TEMPERATURE (°C)
Figure 11. No Heat Sink
with 36V
AMBIENT TEMPERATURE (°C)
85
45
4612 F16
45
0LFM
0LFM
95
LFM
55
200
55
IN
LFM
200
IN
to 12V
65
65
to 5V
75
75
OUT
OUT
400LFM
400LFM
85
85
95
95
4612 F11
4612 F14
4612fb
105
105