LTM4605IV#PBF Linear Technology, LTM4605IV#PBF Datasheet - Page 18

• Manufacturer Part Number: LTM4605IV#PBF
• Description: IC DC/DC UMODULE 5A 141-LGA
• Manufacturer: Linear Technology
• Series: µModuler
• Type: Point of Load (POL) Non-Isolatedr

Specifications of LTM4605IV#PBF

• Design Resources: LTM4605 Spice Model
• Output: 0.8 ~ 16 V
• Number Of Outputs: 1
• Power (watts): 80W
• Mounting Type: Surface Mount
• Voltage - Input: 4.5 ~ 20V
• Package / Case: 141-LGA
• 1st Output: 0.8 ~ 16 VDC @ 5A
• Size / Dimension: 0.59" L x 0.59" W x 0.11" H (15mm x 15mm x 2.8mm)
• Power (watts) - Rated: 80W
• Operating Temperature: -40°C ~ 85°C
• Efficiency: 98%
• Dc To Dc Converter Type: Non-Inverting/Inverting/Step Up/Step Down
• Pin Count: 141
• Input Voltage: 20V
• Output Voltage: 0.8 to 16V
• Switching Freq: 170 TO 440KHz
• Output Current: 12/5A
• Package Type: LGA
• Output Type: Adjustable
• Switching Regulator: Yes
• Load Regulation: 0.5%
• Line Regulation: 0.02%
• Mounting: Surface Mount
• Input Voltage (min): 4.5V
• Operating Temperature Classification: Industrial
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• 3rd Output: -
• 2nd Output: -
• Lead Free Status / Rohs Status: Compliant

LTM4605
APPLICATIONS INFORMATION
Table 4. 5V Output
DERATING CURVE
Figure 7, 9
Figure 7, 9
Figure 7, 9
Figure 8, 10
Figure 8, 10
Figure 8, 10
Table 5. 20V Input and 12V Output
DERATING CURVE
Figure 11
Figure 11
Figure 11
Figure 12
Figure 12
Figure 12
HEAT SINK MANUFACTURER
Wakefi eld Engineering
*The results of thermal resistance from junction to ambient θ
treated as the junction temperature (which is in the μModule for most cases) and the power losses from all components are counted for calculations. It has
to be mentioned that poor board design may increase the θ
18
Figure 11. 20V
12
10
8
6
4
2
0
35
45
20V
20V
20V
AMBIENT TEMPERATURE (°C)
IN
IN
IN
55
IN
TO 12V
TO 12V
TO 12V
No Heat Sink
to 12V
V
V
12, 16
12, 16
12, 16
12, 16
12, 16
12, 16
65
IN
IN
OUT
OUT
OUT
20
20
20
20
20
20
(V)
(V)
OUT
WITH 0LFM
WITH 200LFM
WITH 400LFM
75
without Heat Sink
85
95
POWER LOSS CURVE
POWER LOSS CURVE
PART NUMBER
LTN20069
4605 F11
105
Figure 5
Figure 5
Figure 5
Figure 5
Figure 5
Figure 5
Figure 6
Figure 6
Figure 6
Figure 6
Figure 6
Figure 6
JA
.
JA
are based on the demo board of DC1198A. Thus, the maximum temperature on board is
Power loss includes all external components
AIR FLOW (LFM)
AIR FLOW (LFM)
200
400
200
400
200
400
200
400
0
0
0
0
Figure 12. 20V
12
10
8
6
4
2
0
35
45
20V
20V
20V
PHONE NUMBER
603-635-2600
AMBIENT TEMPERATURE (°C)
IN
IN
IN
55
TO 12V
TO 12V
TO 12V
BGA Heat Sink
BGA Heat Sink
BGA Heat Sink
BGA Heat Sink
BGA Heat Sink
BGA Heat Sink
BGA Heat Sink
IN
HEAT SINK
HEAT SINK
to 12V
None
None
None
None
None
None
65
OUT
OUT
OUT
WITH 0LFM
WITH 200LFM
WITH 400LFM
75
OUT
85
with Heat Sink
95
4605 F12
105
θ
θ
JA
JA
11.2
10.7
(°C/W)*
(°C/W)*
8.3
7.2
7.7
6.6
8.2
5.8
5.3
7.6
5.3
4.8
4605fc