DC823B-B Linear Technology, DC823B-B Datasheet - Page 15

• Manufacturer Part Number: DC823B-B
• Description: BOARD EVAL LTM4600HV
• Manufacturer: Linear Technology
• Series: µModuler

Specifications of DC823B-B

• Main Purpose: DC/DC, Step Down
• Outputs And Type: 1, Non-Isolated
• Voltage - Output: 1.2V, 1.5V, 1.8V, 2.5V, 3.3V, 5V
• Current - Output: 10A (Max)
• Voltage - Input: 4.5 V ~ 28 V
• Regulator Topology: Buck
• Frequency - Switching: 1.35MHz
• Board Type: Fully Populated
• Utilized Ic / Part: LTM4600HV
• Lead Free Status / RoHS Status: Not applicable / Not applicable
• Power - Output: -

APPLICATIO S I FOR ATIO
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
10
10
8
6
4
2
0
9
8
7
6
5
4
0
50
50
0
Figure 8. 1.5V Power Loss Curves
vs Load Current
V
V
V
IN
OUT
OUT
55
= 18V
12V LOSS
= 1.5V
Figure 14. BGA Heatsink
= 1.5V
Figure 11. No Heatsink
0 LFM
200 LFM
400 LFM
0 LFM
200 LFM
400 LFM
60
AMBIENT TEMPERATURE (°C)
AMBIENT TEMPERATURE (°C)
2
60
OUTPUT CURRENT (A)
65
70
4
70
U
18V LOSS
80
75
6
U
80
5V LOSS
V
V
IN
OUT
90
8
= 12V
85
= 1.5V
4600hv F14
4600hv F11
4600hv F08
100
90
10
W
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
10
10
9
8
7
6
5
4
9
8
7
6
5
4
3
0
50
50
0
Figure 15. 3.3V Power Loss
Curves vs Load Current
V
V
U
IN
OUT
= 12V
= 1.5V
Figure 12. BGA Heatsink
0 LFM
200 LFM
400 LFM
0 LFM
200 LFM
400 LFM
60
AMBIENT TEMPERATURE (°C)
Figure 9. No Heatsink
AMBIENT TEMPERATURE (°C)
2
60
OUTPUT CURRENT (A)
70
4
24V LOSS
70
80
6
80
12V LOSS
V
V
IN
OUT
90
8
= 5V
= 1.5V
4600hv F09
4600hv F12
4600hv F15
100
90
10
10
10
10
9
8
7
6
5
4
9
8
7
6
5
4
3
2
1
0
9
8
7
6
5
4
3
2
1
0
50
40
40
V
V
IN
OUT
= 5V
= 1.5V
Figure 10. BGA Heatsink
Figure 16. No Heatsink
Figure 13. No Heatsink
0 LFM
200 LFM
400 LFM
60
0 LFM
200 LFM
400 LFM
50
0 LFM
200 LFM
400 LFM
50
AMBIENT TEMPERATURE (°C)
AMBIENT TEMPERATURE (°C)
AMBIENT TEMPERATURE (°C)
LTM4600HV
70
60
60
80
70
70
V
V
V
V
IN
OUT
IN
OUT
90
80
80
15
= 18V
= 12V
= 1.5V
= 3.3V
4600hvfc
4600hv F10
4600hv F13
4600hv F16
100
90
90