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LTM4603IV#PBF

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24P25-P26
LTM4603/LTM4603-1
16
4603fb
AMBIENT TEMPERATURE (°C)
70
0
MAXIMUM LOAD CURRENT (A)
1
2
3
4
5
6
75 80 85 90
4603 F11
95
12V
IN
, 1.5V
OUT
, 0LFM
12V
IN
, 1.5V
OUT
, 200LFM
12V
IN
, 1.5V
OUT
, 400LFM
Figure 10. BGA Heat Sink 5V
IN
Figure 11. No Heat Sink 12V
IN
Figure 12. BGA Heat Sink 12V
IN
Figure 13. 12V
IN
, 3.3V
OUT
No Heat Sink
Figure 14. 12V
IN
, 3.3V
OUT
BGA Heat Sink
AMBIENT TEMPERATURE (°C)
75
0
MAXIMUM LOAD CURRENT (A)
1
2
3
4
5
6
80 85 90 95
4603 F10
5V
IN
, 1.5V
OUT
, 0LFM
5V
IN
, 1.5V
OUT
, 200LFM
5V
IN
, 1.5V
OUT
, 400LFM
AMBIENT TEMPERATURE (°C)
70
0
MAXIMUM LOAD CURRENT (A)
1
2
3
4
5
6
75 80 85 90
4603 F12
95
12V
IN
, 1.5V
OUT
, 0LFM
12V
IN
, 1.5V
OUT
, 200LFM
12V
IN
, 1.5V
OUT
, 400LFM
AMBIENT TEMPERATURE (°C)
70
0
MAXIMUM LOAD CURRENT (A)
1
2
3
4
5
6
75 80 85 90
4603 F13
95
12V
IN
, 3.3V
OUT
, 0LFM
12V
IN
, 3.3V
OUT
, 200LFM
12V
IN
, 3.3V
OUT
, 400LFM
AMBIENT TEMPERATURE (°C)
70
0
MAXIMUM LOAD CURRENT (A)
1
2
3
4
5
6
75 80 85 90
4603 F14
95
12V
IN
, 3.3V
OUT
, 0LFM
12V
IN
, 3.3V
OUT
, 200LFM
12V
IN
, 3.3V
OUT
, 400LFM
applications inForMation
Figure 7. 1.5V Power Loss
Figure 8. 3.3V Power Loss
Figure 9. No Heat Sink 5V
IN
AMBIENT TEMPERATURE (°C)
75
0
MAXIMUM LOAD CURRENT (A)
1
2
3
4
5
6
80 85 90 95
4603 F09
5V
IN
, 1.5V
OUT
, 0LFM
5V
IN
, 1.5V
OUT
, 200LFM
5V
IN
, 1.5V
OUT
, 400LFM
LOAD CURRENT (A)
0
2.0
2.5
3.5
3 5
4603 F07
1.5
1.0
1 2
4 6 7
0.5
0
3.0
POWER LOSS (W)
20V
IN
12V
IN
5V
IN
LOAD CURRENT (A)
0
2.0
2.5
3.5
3 5
4603 F08
1.5
1.0
1 2
4 6 7
0.5
0
3.0
POWER LOSS (W)
20V
IN
12V
IN
LTM4603/LTM4603-1
17
4603fb
Table 2. Output Voltage Response Versus Component Matrix (Refer to Figure 18)
TYPICAL MEASURED VALUES
C
OUT1
VENDORS PART NUMBER C
OUT2
VENDORS PART NUMBER
TAIYO YUDEN JMK316BJ226ML-T501 (22µF, 6.3V) SANYO POSCAP 6TPE220MIL (220µF, 6.3V)
TAIYO YUDEN JMK325BJ476MM-T (47µF, 6.3V) SANYO POSCAP 2R5TPE330M9 (330µF, 2.5V)
TDK C3225X5R0J476M (47µF, 6.3V) SANYO POSCAP 4TPE330MCL (330µF, 4V)
V
OUT
(V)
C
IN
(CERAMIC)
C
IN
(BULK)
C
OUT1
(CERAMIC)
C
OUT2
(BULK)
V
IN
(V)
DROOP
(mV)
PEAK TO
PEAK (mV)
RECOVERY
TIME (µs)
LOAD STEP
(A/µs)
R
SET
(kW)
1.2
2 × 10µF 25V
150µF 35V 1 × 22µF 6.3V 330µF 4V 5 34 68 30 3 60.4
1.2
2 × 10µF 25V
150µF 35V 1 × 47µF 6.3V 330µF 2.5V 5 22 40 26 3 60.4
1.2
2 × 10µF 25V
150µF 35V 2 × 47µF 6.3V 220µF 6.3V 5 20 40 24 3 60.4
1.2
2 × 10µF 25V
150µF 35V 4 × 47µF 6.3V NONE 5 32 60 18 3 60.4
1.2 2 × 10µF 25V 150µF 35V 1 × 22µF 6.3V 330µF 4V 12 34 68 30 3 60.4
1.2 2 × 10µF 25V 150µF 35V 1 × 47µF 6.3V 330µF 2.5V 12 22 40 26 3 60.4
1.2 2 × 10µF 25V 150µF 35V 2 × 47µF 6.3V 220µF 6.3V 12 20 39 24 3 60.4
1.2 2 × 10µF 25V 150µF 35V 4 × 47µF 6.3V NONE 12 29.5 55 18 3 60.4
1.5 2 × 10µF 25V 150µF 35V 1 × 22µF 6.3V 330µF 4V 5 35 70 30 3 40.2
1.5 2 × 10µF 25V 150µF 35V 1 × 47µF 6.3V 330µF 2.5V 5 25 48 30 3 40.2
1.5 2 × 10µF 25V 150µF 35V 2 × 47µF 6.3V 220µF 6.3V 5 24 47.5 26 3 40.2
1.5 2 × 10µF 25V 150µF 35V 4 × 47µF 6.3V NONE 5 36 68 26 3 40.2
1.5 2 × 10µF 25V 150µF 35V 1 × 22µF 6.3V 330µF 4V 12 35 70 30 3 40.2
1.5 2 × 10µF 25V 150µF 35V 1 × 47µF 6.3V 330µF 2.5V 12 25 48 30 3 40.2
1.5 2 × 10µF 25V 150µF 35V 2 × 47µF 6.3V 220µF 6.3V 12 24 45 26 3 40.2
1.5 2 × 10µF 25V 150µF 35V 4 × 47µF 6.3V NONE 12 32.6 61.9 26 3 40.2
1.8 2 × 10µF 25V 150µF 35V 1 × 22µF 6.3V 330µF 4V 5 38 76 37 3 30.1
1.8 2 × 10µF 25V 150µF 35V 1 × 47µF 6.3V 330µF 2.5V 5 29.5 57.5 30 3 30.1
1.8 2 × 10µF 25V 150µF 35V 2 × 47µF 6.3V 220µF 6.3V 5 28 55 26 3 30.1
1.8 2 × 10µF 25V 150µF 35V 4 × 47µF 6.3V NONE 5 43 80 26 3 30.1
1.8 2 × 10µF 25V 150µF 35V 1 × 22µF 6.3V 330µF 4V 12 38 76 37 3 30.1
1.8 2 × 10µF 25V 150µF 35V 1 × 47µF 6.3V 330µF 2.5V 12 28 55 30 3 30.1
1.8 2 × 10µF 25V 150µF 35V 2 × 47µF 6.3V 220µF 6.3V 12 27 52 26 3 30.1
1.8 2 × 10µF 25V 150µF 35V 4 × 47µF 6.3V NONE 12 36.4 70 26 3 30.1
2.5 2 × 10µF 25V 150µF 35V 1 × 22µF 6.3V 330µF 4V 5 38 78 40 3 19.1
2.5 2 × 10µF 25V 150µF 35V 1 × 47µF 6.3V 330µF 4V 5 37.6 74 34 3 19.1
2.5 2 × 10µF 25V 150µF 35V 2 × 47µF 6.3V 220µF 6.3V 5 39.5 78.1 28 3 19.1
2.5 2 × 10µF 25V 150µF 35V 4 × 47µF 6.3V NONE 5 66 119 12 3 19.1
2.5 2 × 10µF 25V 150µF 35V 1 × 22µF 6.3V 330µF 4V 12 38 78 40 3 19.1
2.5 2 × 10µF 25V 150µF 35V 1 × 47µF 6.3V 330µF 4V 12 34.5 66.3 34 3 19.1
2.5 2 × 10µF 25V 150µF 35V 2 × 47µF 6.3V 220µF 6.3V 12 35.8 68.8 28 3 19.1
2.5 2 × 10µF 25V 150µF 35V 4 × 47µF 6.3V NONE 12 50 98 18 3 19.1
3.3 2 × 10µF 25V 150µF 35V 1 × 22µF 6.3V 330µF 4V 7 42 86 40 3 13.3
3.3 2 × 10µF 25V 150µF 35V 1 × 47µF 6.3V 330µF 4V 7 47 89 32 3 13.3
3.3 2 × 10µF 25V 150µF 35V 2 × 47µF 6.3V 220µF 6.3V 7 50 94 28 3 13.3
3.3 2 × 10µF 25V 150µF 35V 4 × 47µF 6.3V NONE 7 75 141 14 3 13.3
3.3 2 × 10µF 25V 150µF 35V 1 × 22µF 6.3V 330µF 4V 12 42 86 40 3 13.3
3.3 2 × 10µF 25V 150µF 35V 1 × 47µF 6.3V 330µF 4V 12 47 88 32 3 13.3
3.3 2 × 10µF 25V 150µF 35V 2 × 47µF 6.3V 220µF 6.3V 12 50 94 28 3 13.3
3.3 2 × 10µF 25V 150µF 35V 4 × 47µF 6.3V NONE 12 69 131 22 3 13.3
5 2 × 10µF 25V 150µF 35V 4 × 47µF 6.3V NONE 15 110 215 20 3 8.25
5 2 × 10µF 25V 150µF 35V 4 × 47µF 6.3V NONE 20 110 217 20 3 8.25
applications inForMation
LTM4603/LTM4603-1
18
4603fb
Table 4. 3.3V Output
DERATING CURVE V
IN
(V) POWER LOSS CURVE AIR FLOW (LFM) HEAT SINK
θ
JA
(°C/W)
Figure 13 12 Figure 8 0 None 15.2
Figure 13 12 Figure 8 200 None 14.6
Figure 13 12 Figure 8 400 None 13.4
Figure 14 12 Figure 8 0 BGA Heat Sink 13.9
Figure 14 12 Figure 8 200 BGA Heat Sink 11.1
Figure 14 12 Figure 8 400 BGA Heat Sink 10.5
Table 3. 1.5V Output
DERATING CURVE V
IN
(V) POWER LOSS CURVE AIR FLOW (LFM) HEAT SINK
θ
JA
(°C/W)
Figures 9, 11 5, 12 Figure 7 0 None 15.2
Figures 9, 11 5, 12 Figure 7 200 None 14
Figures 9, 11 5, 12 Figure 7 400 None 12
Figures 10, 12 5, 12 Figure 7 0 BGA Heat Sink 13.9
Figures 10, 12 5, 12 Figure 7 200 BGA Heat Sink 11.3
Figures 10, 12 5, 12 Figure 7 400 BGA Heat Sink 10.25
Heat Sink Manufacturer
Aavid Thermalloy Part No: 375424B00034G Phone: 603-224-9988
applications inForMation
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LTM4603IV#PBF

Mfr. #:
Buy LTM4603IV#PBF
Manufacturer:
Analog Devices / Linear Technology
Description:
Switching Voltage Regulators 20V, 6A Step-down Module Regulator with PLL input
Lifecycle:
New from this manufacturer.
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