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LTM4637 Datasheet(PDF) 21 Page - Linear Technology

Part # LTM4637
Description  20A DC/DC Module Step-Down Regulator
PDF  30 Pages
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LTM4637 Datasheet(HTML) 21 Page - Linear Technology

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LTM4637
21
4637fc
For more information www.linear.com/LTM4637
applicaTions inForMaTion
Table 5. Output Voltage Response vs Component Matrix (Refer to Figure 22) 0A to 10A Load Step
COUT1 AND
COUT2 CERAMIC
VENDOR
VALUE
PART NUMBER
COUT1 AND
COUT2 BULK
VENDOR
VALUE
PART NUMBER
CIN
VENDOR
VALUE
PART NUMBER
TDK
100µF 6.3V C4532X5R0J107MZ Sanyo POSCAP 1000µF 2.5V 2R5TPD1000M5
Sanyo
56µF 25V
25SVP56M
Murata
100µF 6.3V GRM32ER60J107M Sanyo POSCAP 470µF 2.5V
2R5TPD470M5
TDK
22µF 16V
C3216X651C226M
Sanyo POSCAP 470µF 6.3V
6TPD470M5
Murata 22µF 16V GRM31CR61C226KE15L
VOUT
(V)
CIN
(CERAMIC)
CIN
(BULK)†
COUT2 (CERAMIC)
AND COUT1 (BULK)
CFF
(pF)
CCOMP
(pF)
VIN
(V)
DROOP
(mV)
PEAK-TO-PEAK
DEVIATION
(mV)
RECOVERY
TIME (µs)
LOAD
STEP
(A/µs)
RFB
(kΩ)
FREQ
(kHz)
1
22µF
× 4
56µF
100µF
× 2, 470µF × 3
330
150
5,12
65
123
30
10
90.6
250
1.2
22µF
× 4
56µF
100µF
× 2, 470µF × 3
330
150
5,12
65
123
30
10
60.4
250
1.5
22µF
× 4
56µF
100µF
× 2, 470µF × 3
330
150
5,12
65
120
50
10
40.2
350
1.8
22µF
× 4
56µF
100µF
× 2, 470µF × 3
330
150
5,12
65
120
60
10
30.1
350
2.5
22µF
× 4
56µF
100µF
× 2, 470µF × 3
330
150
5,12
65
130
70
10
19.1
450
3.3
22µF
× 4
56µF
100µF
× 2, 470µF × 3
330
150
5,12
75
150
75
10
13.3
600
5
22µF
× 4
56µF
100µF
× 2, 470µF × 3
330
150
7,12
100
195
80
10
8.25
600
1
22µF
× 4
56µF
100µF
× 2, 470µF × 3
330
None
5,12
50
100
30
10
90.6
250
1.2
22µF
× 4
56µF
100µF
× 2, 470µF × 3
330
None
5,12
50
100
30
10
60.4
250
1.5
22µF
× 4
56µF
100µF
× 2, 470µF × 3
330
None
5,12
50
100
50
10
40.2
350
1.8
22µF
× 4
56µF
100µF
× 2, 470µF × 3
330
None
5,12
65
110
60
10
30.1
350
2.5
22µF
× 4
56µF
100µF
× 2, 470µF × 3
330
None
5,12
65
120
70
10
19.1
450
3.3
22µF
× 4
56µF
100µF
× 2, 470µF × 3
330
None
5,12
70
130
75
10
13.3
600
5
22µF
× 4
56µF
100µF
× 2, 470µF × 3
330
None
7,12
85
165
80
10
8.25
600
1
22µF
× 4
56µF
100µF
× 2, 470µF × 2
330
None
5,12
75
150
30
10
90.6
250
1.2
22µF
× 4
56µF
100µF
× 2, 470µF × 2
330
None
5,12
75
150
30
10
60.4
250
1.5
22µF
× 4
56µF
100µF
× 2, 470µF × 2
330
None
5,12
70
140
50
10
40.2
350
1.8
22µF
× 4
56µF
100µF
× 2, 470µF × 2
330
None
5,12
65
130
60
10
30.1
350
2.5
22µF
× 4
56µF
100µF
× 2, 470µF × 2
330
None
5,12
65
130
70
10
19.1
450
3.3
22µF
× 4
56µF
100µF
× 2, 470µF × 2
330
None
5,12
70
140
75
10
13.3
600
5
22µF
× 4
56µF
100µF
× 2, 470µF × 2
330
None
7,12
100
190
80
10
8.25
600
1
22µF
× 4
56µF
100µF
× 4, 470µF × 1
47
None
5,12
95
190
30
10
90.6
250
1.2
22µF
× 4
56µF
100µF
× 4, 470µF × 1
47
None
5,12
95
190
30
10
60.4
250
1.5
22µF
× 4
56µF
100µF
× 4, 470µF × 1
47
None
5,12
90
180
50
10
40.2
350
1.8
22µF
× 4
56µF
100µF
× 4, 470µF × 1
47
None
5,12
95
190
60
10
30.1
350
2.5
22µF
× 4
56µF
100µF
× 4, 470µF × 1
47
None
5,12
100
200
70
10
19.1
450
3.3
22µF
× 4
56µF
100µF
× 4, 470µF × 1
47
None
5,12
125
250
75
10
13.3
600
5
22µF
× 4
56µF
100µF
× 4, 470µF × 1
47
None
7,12
155
310
80
10
8.25
600
1
22µF
× 4
56µF
100µF
× 5
47
None
5,12
100
200
35
10
90.6
250
1.2
22µF
× 4
56µF
100µF
× 5
47
None
5,12
100
200
35
10
60.4
250
1.5
22µF
× 4
56µF
100µF
× 5
47
None
5,12
100
200
35
10
40.2
350
1.8
22µF
× 4
56µF
100µF
× 5
47
None
5,12
112
225
35
10
30.1
350
2.5
22µF
× 4
56µF
100µF
× 5
47
None
5,12
125
250
40
10
19.1
450
3.3
22µF
× 4
56µF
100µF
× 5
47
None
5,12
170
340
40
10
13.3
600
5
22µF
× 4
56µF
100µF
× 5
47
None
7,12
225
450
60
10
8.25
600
†Bulk capacitance is optional if VIN has very low input impedance.



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