DC823B-B Linear Technology, DC823B-B Datasheet - Page 16

• 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
LTM4600HV
Table 3. 1.5V Output
Table 4. 3.3V Output
16
10
DERATING CURVE
DERATING CURVE
Figures 10, 12, 14
Figures 10, 12, 14
Figures 10, 12, 14
9
8
7
6
5
4
Figures 9, 11, 13
Figures 9, 11, 13
Figures 9, 11, 13
40
Figures 16, 18
Figures 16, 18
Figures 16, 18
Figures 17, 19
Figures 17, 19
Figures 17, 19
V
V
IN
OUT
= 12V
= 3.3V
50
Figure 17. BGA Heatsink
0 LFM
200 LFM
400 LFM
AMBIENT TEMPERATURE (°C)
60
70
U
80
U
5, 12, 18
5, 12, 18
5, 12, 18
5, 12, 18
5, 12, 18
5, 12, 18
V
V
12, 24
12, 24
12, 24
12, 24
12, 24
12, 24
IN
IN
90
(V)
(V)
4600hv F17
100
W
POWER LOSS CURVE
POWER LOSS CURVE
10
8
6
4
2
0
50
Figure 15
Figure 15
Figure 15
Figure 15
Figure 15
Figure 15
Figure 8
Figure 8
Figure 8
Figure 8
Figure 8
Figure 8
U
Figure 18. No Heatsink
0 LFM
200 LFM
400 LFM
AMBIENT TEMPERATURE (°C)
60
V
V
DE-RATING
IN
OUT
= 24V
70
= 3.3V TEMPERATURE
AIR FLOW (LFM)
AIR FLOW (LFM)
200
400
200
400
200
400
200
400
80
0
0
0
0
4600hv F18.eps
90
BGA Heatsink
BGA Heatsink
BGA Heatsink
BGA Heatsink
BGA Heatsink
BGA Heatsink
HEATSINK
HEATSINK
10
9
8
7
6
5
4
50
None
None
None
None
None
None
V
V
DE-RATING
IN
OUT
= 24V
= 3.3V TEMPERATURE
Figure 19. BGA Heatsink
0 LFM
200 LFM
400 LFM
AMBIENT TEMPERATURE (°C)
60
70
θ
θ
JA
JA
10.25
15.2
13.9
11.3
15.2
14.6
13.4
13.9
11.1
10.5
(°C/W)
14
12
(°C/W)
80
4600hv F19.eps
4600hvfc
90