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LTM4611 Folha de dados(PDF) 21 Page - Linear Technology

Nome de Peças LTM4611
Descrição Electrónicos  Ultralow VIN, 15A DC/DC 關Module Regulator
PDF  28 Pages
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Fabricante Electrônico  LINER [Linear Technology]
Página de início  http://www.linear.com
Logo LINER - Linear Technology

LTM4611 Folha de dados(HTML) 21 Page - Linear Technology

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LTM4611

4611f
applicaTions inForMaTion
Table 5. Output Voltage Response Versus Component Matrix, 0A to 7.5A Load Step
TYPICAL MEASURED VALUES
COUT1 VENDORS
PART NUMBER
COUT2 VENDORS
PART NUMBER
AVX
12106D107MAT2A (100µF, 6.3V, 1210 Case Size)
Sanyo POSCAP
6TPF330M9L (330µF, 6.3V, 9mΩ ESR, D3L Case Size)
Taiyo Yuden
JMK325BJ107MM-T (100µF, 6.3V, 1210 Case Size)
Sanyo POSCAP
2R5TPE470M9 (470µF, 2.5V, 9mΩ ESR, D2E Case Size)
TDK
C3225X5R0J107MT (100µF, 6.3V, 1210 Case Size)
AVX
1206D226MAT (22µF, 6.3V, 1206 Case Size)
Taiyo Yuden
JMK316BJ226ML-T (22µF, 6.3V, 1206 Case Size)
TDK
C3216X5R0J226MT (22µF, 6.3V, 1206 Case Size)
75°C ambient temperature is subtracted from the 115°C
junction temperature, then the difference of 40°C divided
by2.82Wyieldsathermalresistance,
θJA,of14.2°C/W—in
good agreement with Table 2. Tables 2, 3 and 4 provide
equivalent thermal resistances for 1.2V, 2.5V and 3.3V
outputs with and without air flow and heat sinking. The
derived thermal resistances in Tables 2, 3 and 4 for the
various conditions can be multiplied by the calculated
power loss as a function of ambient temperature to derive
temperature rise above ambient, thus maximum junction
temperature.Roomtemperaturepowerlosscanbederived
from the efficiency curves in the Typical Performance
Characteristics section and adjusted with the above ambi-
ent temperature multiplicative factors.
VOUT
(V)
VIN
(V)
CIN*
(CERAMIC)
CIN*
(BULK)
COUT2
(CERAMIC)
COUT1
(BULK)
CFF
CP
USING
DIFF
AMP FIGURE
TRANSIENT
DROOP,
0A TO 7.5A
LOAD STEP
(mV)
TRANSIENT
PEAK-TO-PEAK,
0A TO 7.5A TO 0A
(mVP-P)
RECOVERY
TIME (µs)
LOAD
STEP
SLEW
RATE
(A/µs)
RSET
(kΩ)
0.9 1.5 2 × 47µF 470µF 5 × 100µF
None
220pF None
Y
21
65
118
15
7.5
481
0.9 1.5 2 × 47µF 470µF 3 × 22µF
470µF
22pF None
Y
21
63
122
25
7.5
481
0.9 1.8 2 × 47µF 220µF 4 × 100µF
None
220pF None
Y
21
65
119
20
7.5
481
0.9 1.8 2 × 47µF 220µF 3 × 22µF
470µF
47pF
None
Y
21
60
113
25
7.5
481
0.9 1.8 2 × 47µF 220µF 4 × 22µF
330µF
22pF None
Y
21
64
119
30
7.5
481
0.9 2.5 2 × 47µF 150µF 5 × 100µF
None
33pF
10pF
Y
21
54
108
20
7.5
481
0.9 2.5 2 × 47µF 150µF 7 × 22µF
330µF
None 22pF
Y
21
65
123
20
7.5
481
0.9 3.3 2 × 47µF 150µF 4 × 100µF
None
47pF
None
Y
21
50
104
25
7.5
481
0.9 3.3 2 × 47µF 150µF 7 × 22µF
330µF
10pF
10pF
Y
21
55
109
20
7.5
481
0.9
5
2
× 47µF 150µF 4 × 100µF
None
47pF
None
Y
21
47
102
20
7.5
481
0.9
5
2
× 47µF 150µF 6 × 22µF
330µF
10pF
10pF
Y
21
61
116
20
7.5
481
1
1.5 2 × 47µF 680µF 5 × 100µF
None
220pF None
Y
21
70
128
20
7.5
243
1
1.5 2 × 47µF 680µF 3 × 22µF
470µF
33pF None
Y
21
62
121
25
7.5
243
1
1.8 2 × 47µF 330µF 4 × 100µF
None
220pF None
Y
21
68
123
20
7.5
243
1
1.8 2 × 47µF 330µF 3 × 22µF
470µF
33pF None
Y
21
60
115
30
7.5
243
1
1.8 2 × 47µF 330µF 4 × 22µF
330µF
22pF None
Y
21
66
123
30
7.5
243
1
2.5 2 × 47µF 150µF 4 × 100µF
None
47pF
None
Y
21
61
115
25
7.5
243
1
2.5 2 × 47µF 150µF 7 × 22µF
330µF
10pF
10pF
Y
21
63
115
25
7.5
243
1
3.3 2 × 47µF 150µF 4 × 100µF
None
47pF
None
Y
21
52
106
30
7.5
243
1
3.3 2 × 47µF 150µF 7 × 22µF
330µF
10pF
10pF
Y
21
57
111
20
7.5
243
1
5
2
× 47µF 150µF 4 × 100µF
None
47pF
None
Y
21
53
108
25
7.5
243
1
5
2
× 47µF 150µF 6 × 22µF
330µF
10pF
10pF
Y
21
62
119
25
7.5
243
1.2 1.5 2 × 47µF 1000µF 6 × 100µF
None
220pF None
Y
21
82
145
20
7.5
121
1.2 1.5 2 × 47µF 1000µF 2 × 22µF
470µF
47pF
None
Y
21
70
133
30
7.5
121
1.2 1.8 2 × 47µF 470µF 4 × 100µF
None
220pF None
Y
21
75
136
25
7.5
121
1.2 1.8 2 × 47µF 470µF 3 × 22µF
470µF
22pF None
Y
21
64
126
30
7.5
121
1.2 1.8 2 × 47µF 470µF 4 × 22µF
330µF
22pF None
Y
21
72
137
30
7.5
121
1.2 2.5 2 × 47µF 220µF 4 × 100µF
None
100pF None
Y
21
58
114
30
7.5
121
1.2 2.5 2 × 47µF 220µF 5 × 22µF
330µF
10pF
10pF
Y
21
65
122
25
7.5
121



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