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LTM4645 Datasheet(PDF) 25 Page - Linear Technology

Part # LTM4645
Description  Dual 10A or Single 20A 關Module Regulator
PDF  34 Pages
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LTM4645 Datasheet(HTML) 25 Page - Linear Technology

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LTM4646
25
4646f
For more information www.linear.com/LTM4646
APPLICATIONS INFORMATION
Table 2. 1.0V Output
DERATING CURVE
VIN (V)
POWER LOSS CURVE
AIRFLOW (LFM)
HEAT SINK
BGA
JA (°C/W)
Figures 12, 13
5, 12
Figure 9, 11
0
None
10.1
Figures 12, 13
5, 12
Figure 9, 11
200
None
8.1
Figures 12, 13
5, 12
Figure 9, 11
400
None
7.4
Table 3. 2.5V Output
DERATING CURVE
VIN (V)
POWER LOSS CURVE
AIRFLOW (LFM)
HEAT SINK
BGA
JA (°C/W)
Figures 14, 15
5, 12
Figure 9, 11
0
None
10.1
Figures 14, 15
5, 12
Figure 9, 11
200
None
8.0
Figures 14, 15
5, 12
Figure 9, 11
400
None
7.4
HEAT SINK MANUFACTURER
PART NUMBER
WEBSITE
Cool Innovations
3-0504035UT411
www.coolinnovations.com
Thermally conductive adhesive tape pre-attached, Chomerics P/N T411
Table 5. Capacitor Matrix (All Parameters Are Typical and Dependent on Board Layout)
VENDORS
VALUE
PART NUMBER
VENDORS
VALUE
PART NUMBER
Taiyo Yuden
22F, 25V
C3216X7S0J226M
Panasonic SP
470F, 2.5V
EEFGX0E471R
Murata
22F, 25V
GRM31CR61C226KE15L
Panasonic POSCAP
470F, 2.5V
2R5TPD470M5
Murata
100F, 6.3V
GRM32ER60J107M
Panasonic POSCAP
470F, 6.3V
6TPD470M
AVX
100F, 6.3V
18126D107MAT
Panasonic
100F, 20V
20SEP100M
VOUT
(V)
CIN
(CERAMIC)
CIN
(BULK)**
COUT1
(CERAMIC)
COUT2
(CERAMIC/BULK)
CFF
(pF)
CCOMP
(pF)
VIN
(V)
DROOP
(mV)
P-P DEVIATION
(mV)
RECOVERY TIME
(µs)
LOAD STEP
(A/µs)
FREQ
(kHz)
0.9
22F ×4
100F
100F ×4
470F ×2
100
5,12
26
52
30
5
400
1
22F ×4
100F
100F ×4
470F ×2
100
5,12
26
52
30
5
400
1.2
22F ×4
100F
100F ×4
470F ×2
100
5,12
30
60
30
5
500
1.5
22F ×4
100F
100F ×3
None
47
100
5,12
44
88
25
5
600
1.8
22F ×4
100F
100F ×3
None
47
100
5,12
44
88
25
5
700
2.5
22F ×4
100F
100F ×2
None
47
100
5,12
53
107
25
5
850
3.3
22F ×4
100F
100F ×1
None
47
100
5,12
67
133
20
3.3
1100
5
22F ×4
100F
100F ×1
None
47
100
5,12
67
185
20
3.3
1300
**Bulk capacitance is optional if VIN has very low input impedance.
Table 4. 5V Output (EXTVCC electrically connected to 5VOUT)
DERATING CURVE
VIN (V)
POWER LOSS CURVE
AIRFLOW (LFM)
HEAT SINK
BGA
JA (°C/W)
Figures 16
12
Figure 11
0
None
8.5
Figures 16
12
Figure 11
200
None
7.0
Figures 16
12
Figure 11
400
None
6.3



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