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LTM4605EV#PBF

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24P25-P26
LTM4605
16
4605fd
For more information www.linear.com/LTM4605
applications inForMation
Table 3. Typical Components (f = 400kHz)
C
OUT1
VENDORS PART NUMBER C
OUT2
VENDORS PART NUMBER
TDK C4532X7R1E226M (22µF, 25V) Sanyo 16SVP180MX (180µF, 16V)
INDUCTOR VENDORS PART NUMBER R
SENSE
VENDORS PART NUMBER
Toko FDA1254 Vishay Power Metal Strip Resistors WSL1206-18
Sumida CDEP134, CDEP145 Panasonic Thick Film Chip Resistors ERJ12
V
IN
(V)
V
OUT
(V)
R
SENSE
(0.5W RATING)
Inductor
(µH)
C
IN
(CERAMIC)
C
IN
(BULK)
C
OUT1
(CERAMIC)
C
OUT2
(BULK)
I
OUT(MAX)
*
(A)
5 2.5 2x 16m
Ω 0.5W 1 3x 10µF 25V 150µF 35V 2x 22µF 25V 1x 180µF 16V 12
12 2.5 2x 18mΩ 0.5W 1.5 2x 10µF 25V 150µF 35V 2x 22µF 25V 1x 180µF 16V 12
5 3.3 2x 18mΩ 0.5W 1 3x 10µF 25V 150µF 35V 2x 22µF 25V 1x 180µF 16V 12
12 3.3 2x 18mΩ 0.5W 1.5 2x 10µF 25V 150µF 35V 2x 22µF 25V 1x 180µF 16V 12
12 5 2x 18mΩ 0.5W 2.2 3x 10µF 25V 150µF 35V 2x 22µF 25V 1x 180µF 16V 12
20 5 2x 18mΩ 0.5W 2.5 2x 10µF 25V 150µF 35V 2x 22µF 25V 1x 180µF 16V 12
5 8 2x 14mΩ 0.5W 1.5 None 150µF 35V 4x 22µF 25V 2x 180µF 16V 8
12 8 2x 18mΩ 0.5W 2.2 3x 10µF 25V 150µF 35V 2x 22µF 25V 2x 180µF 16V 12
20 8 2x 18mΩ 0.5W 3.3 3x 10µF 25V 150µF 35V 2x 22µF 25V 2x 180µF 16V 12
5 10 2x 16mΩ 0.5W 2.2 None 150µF 35V 4x 22µF 25V 2x 180µF 16V 6
15 10 2x 18mΩ 0.5W 2.2 3x 10µF 25V 150µF
35V 2x 22µF 25V
2x 180µF 16V 12
20 10 2x 18mΩ 0.5W 3.3 3x 10µF 25V 150µF 35V 2x 22µF 25V 2x 180µF 16V 12
6 12 2x 14mΩ 0.5W 2.2 None 150µF 35V 4x 22µF 25V 2x 180µF 16V 6
16 12 2x 16mΩ 0.5W 2.2 2x 10µF 25V 150µF 35V 2x 22µF 25V 2x 180µF 16V 12
20 12 2x 18mΩ 0.5W 3.3 3x 10µF 25V 150µF 35V 2x 22µF 25V 2x 180µF 16V 12
5 16 2x 15mΩ 0.5W 3.3 None 150µF 35V 4x 22µF 25V 2x 150µF 20V 3.5
8 16 2x 14mΩ 0.5W 3.3 None 150µF 35V 4x 22µF 25V 2x 150µF 20V 6
12 16 2x 12mΩ 0.5W 2.2 None 150µF 35V 4x 22µF 25V 2x 150µF 20V 10
20 16 2x 18mΩ 0.5W 2.2 2x 10µF 25V 150µF 35V 2x 22µF 25V 2x 150µF 20V 12
INDUCTOR MANUFACTURER WEBSITE PHONE NUMBER
Sumida www.sumida.com 408-321-9660
Toko www.toko.com 847-297-0070
SENSING RESISTOR MANUFACTURER WEBSITE PHONE NUMBER
Panasonic www.panasonic.com/industrial/components 949-462-1816
KOA www.koaspeer.com 814-362-5536
Vishay www.vishay.com 800-433-5700
*Maximum load current is based on the Linear Technology Demo board DC1198A at room temperature with natural convection. Poor board layout design
may decrease the maximum load current.
LTM4605
17
4605fd
For more information www.linear.com/LTM4605
applications inForMation
AMBIENT TEMPERATURE (°C)
25 35 45 55 65 75 85 95
MAXIMUM LOAD CURRENT (A)
115105
4605 F07
5V
IN
TO 12V
OUT
WITH 0LFM
5V
IN
TO 12V
OUT
WITH 200LFM
5V
IN
TO 12V
OUT
WITH 400LFM
5
3
1
4
2
0
Figure 7. 5V
IN
to 12V
OUT
without Heat Sink Figure 8. 5V
IN
to 12V
OUT
with Heat Sink
Figure 9. 5V
IN
to 16V
OUT
without Heat Sink Figure 10. 5V
IN
to 16V
OUT
with Heat Sink
Figure 5. 5V
IN
Power Loss Figure 6. 20V
IN
Power Loss
OUTPUT CURRENT (A)
0
POWER LOSS (W)
1 2 543
4605 F05
5V
IN
TO 12V
OUT
5V
IN
TO 16V
OUT
8
9
6
4
7
5
3
2
0
1
OUTPUT CURRENT (A)
0
POWER LOSS (W)
2 124 6 8 10
4605 F06
20V
IN
TO 12V
OUT
8
6
4
7
5
3
2
0
1
AMBIENT TEMPERATURE (°C)
25 45 65 85
MAXIMUM LOAD CURRENT (A)
125105
4605 F08
5V
IN
TO 12V
OUT
WITH 0LFM
5V
IN
TO 12V
OUT
WITH 200LFM
5V
IN
TO 12V
OUT
WITH 400LFM
5
3
1
4
2
0
AMBIENT TEMPERATURE (°C)
25 35 45 55 65 75 85 95
MAXIMUM LOAD CURRENT (A)
105
4605 F09
5V
IN
TO 16V
OUT
WITH 0LFM
5V
IN
TO 16V
OUT
WITH 200LFM
5V
IN
TO 16V
OUT
WITH 400LFM
4.0
3.0
1.0
0.5
3.5
2.0
1.5
2.5
0
AMBIENT TEMPERATURE (°C)
25 35 45 55 65 75 85 95
MAXIMUM LOAD CURRENT (A)
105
4605 F10
5V
IN
TO 16V
OUT
WITH 0LFM
5V
IN
TO 16V
OUT
WITH 200LFM
5V
IN
TO 16V
OUT
WITH 400LFM
4.0
3.0
1.0
0.5
3.5
2.0
1.5
2.5
0
Power loss includes all external components
LTM4605
18
4605fd
For more information www.linear.com/LTM4605
Table 4. 5V Output
DERATING CURVE V
IN
(V) POWER LOSS CURVE AIR FLOW (LFM) HEAT SINK θ
JA
(°C/W)*
Figure 7, 9 12, 16 Figure 5 0 None 11.2
Figure 7, 9 12, 16 Figure 5 200 None 8.3
Figure 7, 9 12, 16 Figure 5 400 None 7.2
Figure 8, 10 12, 16 Figure 5 0 BGA Heat Sink 10.7
Figure 8, 10 12, 16 Figure 5 200 BGA Heat Sink 7.7
Figure 8, 10 12, 16 Figure 5 400 BGA Heat Sink 6.6
Table 5. 20V Input and 12V Output
DERATING CURVE V
IN
(V) POWER LOSS CURVE AIR FLOW (LFM) HEAT SINK θ
JA
(°C/W)*
Figure 11 20 Figure 6 0 None 8.2
Figure 11 20 Figure 6 200 None 5.8
Figure 11 20 Figure 6 400 None 5.3
Figure 12 20 Figure 6 0 BGA Heat Sink 7.6
Figure 12 20 Figure 6 200 BGA Heat Sink 5.3
Figure 12 20 Figure 6 400 BGA Heat Sink 4.8
HEAT SINK MANUFACTURER PART NUMBER PHONE NUMBER
Wakefield Engineering LT N 20069 603-635-2600
*The results of thermal resistance from junction to ambient θ
JA
are based on the demo board of DC1198A. Thus, the maximum temperature on board is
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
JA
.
No Heat Sink BGA Heat Sink
AMBIENT TEMPERATURE (°C)
35 45 55 65 75 85 95
MAXIMUM LOAD CURRENT (A)
105
4605 F11
20V
IN
TO 12V
OUT
WITH 0LFM
20V
IN
TO 12V
OUT
WITH 200LFM
20V
IN
TO 12V
OUT
WITH 400LFM
12
8
10
4
2
6
0
AMBIENT TEMPERATURE (°C)
35 45 55 65 75 85 95
MAXIMUM LOAD CURRENT (A)
105
4605 F12
20V
IN
TO 12V
OUT
WITH 0LFM
20V
IN
TO 12V
OUT
WITH 200LFM
20V
IN
TO 12V
OUT
WITH 400LFM
12
8
10
4
2
6
0
Figure 11. 20V
IN
to 12V
OUT
without Heat Sink Figure 12. 20V
IN
to 12V
OUT
with Heat Sink
Power loss includes all external components
applications inForMation
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LTM4605EV#PBF

Mfr. #:
Buy LTM4605EV#PBF
Manufacturer:
Analog Devices / Linear Technology
Description:
Switching Voltage Regulators 20V, 5A Buck-boost Module Regulator
Lifecycle:
New from this manufacturer.
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