參數(shù)資料
型號(hào): LM2587S-3.3
廠商: NATIONAL SEMICONDUCTOR CORP
元件分類: 穩(wěn)壓器
英文描述: RP DPA 60 DUST CAP
中文描述: 5 A SWITCHING REGULATOR, 100 kHz SWITCHING FREQ-MAX, PSSO5
封裝: TO-263, 5 PIN
文件頁數(shù): 14/26頁
文件大小: 676K
代理商: LM2587S-3.3
Typical Flyback Regulator Applications
(Continued)
Transformer Selection (T)
Figure 13lists the standard transformers available for flyback regulator applications. Included in the table are the turns ratio(s) for
each transformer, as well as the output voltages, input voltage ranges, and the maximum load currents for each circuit.
DS012316-18
FIGURE 12. Triple-Output Flyback Regulator
Applications
Transformers
V
IN
V
OUT1
I
OUT1
(Max)
N
1
V
OUT2
I
OUT2
(Max)
N
2
V
OUT3
I
OUT3
(Max)
N
3
Figure 7
T1
4V–6V
3.3V
1.8A
1
Figure 8
T1
4V–6V
5V
1.4A
1
Figure 9
T1
8V–16V
12V
1.2A
1
Figure 10
T2
4V–6V
12V
0.3A
2.5
12V
0.3A
2.5
Figure 11
T3
18V–36V
12V
1A
0.8
12V
1A
0.8
Figure 12
T4
18V–36V
5V
2.5A
0.35
12V
0.5A
0.8
12V
0.5A
0.8
FIGURE 13. Transformer Selection Table
www.national.com
14
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