LT3573E 查看數據表（PDF） - Linear Technology
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LT3573E Datasheet PDF : 26 Pages
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LT3573
APPLICATIONS INFORMATION
TRANSFORMER DESIGN CONSIDERATIONS
Transformer specification and design is perhaps the most
critical part of successfully applying the LT3573. In addition
to the usual list of caveats dealing with high frequency
isolated power supply transformer design, the following
information should be carefully considered.
Linear Technology has worked with several leading mag-
netic component manufacturers to produce pre-designed
flyback transformers for use with the LT3573. Table 5 shows
the details of several of these transformers.
Table 5. Predesigned Transformers—Typical Specifications, Unless Otherwise Noted
TRANSFORMER SIZE (W × L × H)
PART NUMBER
(mm)
LPRI
LLEAKAGE
RPRI
(µH)
(nH)
NP:NS:NB (mΩ)
PA2362NL
15.24 × 13.1 × 11.45 24
550
4:1:1
117
RSEC
(mΩ)
9.5
PA2454NL
15.24 × 13.1 × 11.45 24
430
3:1:1
82
11
PA2455NL
15.24 × 13.1 × 11.45 25
450
2:1:1
82
22
PA2456NL
15.24 × 13.1 × 11.45 25
390
1:1:1
82
84
PA2617NL
12.70 × 10.67 × 9.14 21
245
1:1:0.33
164
166
PA2626NL
12.70 × 10.67 × 9.14 30
403
3:1:1
240
66
PA2627NL
15.24 × 13.1 × 11.45 50
766
3:1:1
420
44
GA3429-BL
15.24 × 12.7 × 11.43 25
566
4:1:1
95
7.5
750310471
15.24 × 13.3 × 11.43 25
350
3:1:1
57
11
750310559
15.24 × 13.3 × 11.43 24
400
4:1:1
51
16
750310562
15.24 × 13.3 × 11.43 25
330
2:1:1
60
20
750310563
15.24 × 13.3 × 11.43 25
325
1:1:0.5
60
60
750310564
15.24 × 13.3 × 11.43 63
450
3:1:1
115
750310799
9.14 × 9.78 × 10.54
25
125
1:1:0.33
60
750370040
9.14 × 9.78 × 10.54
30
150
3:1:1
60
750370041
9.14 × 9.78 × 10.54
50
450
3:1:1
190
750370047
13.35 × 10.8 × 9.14
30
150
3:1:1
60
750311681
17.75 × 13.46 × 12.70 100
3000
1:10
220
L11-0059
9.52 × 9.52 × 4.95
24
3:1
266
L10-1019
9.52 × 9.52 × 4.95
18
1:1
90
50
74
12.5
26
12.5
28500
266
90
VENDOR
Pulse Engineering
Pulse Engineering
Pulse Engineering
Pulse Engineering
Pulse Engineering
Pulse Engineering
Pulse Engineering
Coilcraft
Würth Elektronik
Würth Elektronik
Würth Elektronik
Würth Elektronik
Würth Elektronik
Würth Elektronik
Würth Elektronik
Würth Elektronik
Würth Elektronik
Würth Elektronik
BH Electronics
BH Electronics
TARGET
APPLICATIONS
24V→3.3V, 1.5A
24V→5V, 1A
24V→12V, 0.5A
12V→12V, 0.3A
24V→12V, 0.4A
36V→5V, 0.6A
24V→15V, 0.4A
24V→5V, 1A
24V→5V, 1A
24V→3.3V, 1.5A
24V→5V, 1A
24V→3.3V, 1.5A
24V→12V, 0.5A
12V→12V, 0.3A
24V→12V, 0.4A
36V→5V, 0.6A
24V→±5V, 0.5A
24V→15V, 0.4A
24V→5V, 1A
24V→5V, 1A
24V→5V, 1A
12V→300V, 5mA
24V→5V, 1A
5V→5V, 0.2A
For more information www.linear.com/LT3573
3573fd
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