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參數(shù)資料
| 型號： | LM2585S-12 |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | SIMPLE SWITCHER 3A Flyback Regulator |
| 中文描述： | 7 A SWITCHING REGULATOR, 125 kHz SWITCHING FREQ-MAX, PSSO5 |
| 封裝： | TO-263, 5 PIN |
| 文件頁數(shù)： | 14/25頁 |
| 文件大?。?/td> | 627K |
| 代理商： | LM2585S-12 |
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.
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
T7
4V–6V
3.3V
1.4A
1
Figure 8
T7
4V–6V
5V
1A
1
Figure 9
T7
8V–16V
12V
0.8A
1
Figure 10
T6
4V–6V
12V
0.15A
1.2
12V
0.15A
1.2
Figure 11
T6
18V–36V
12V
0.6A
1.2
12V
0.6A
1.2
Figure 12
T5
18V–36V
5V
1.8A
0.5
12V
0.25A
1.15
12V
0.25A
1.15
FIGURE 13. Transformer Selection Table
Trans-
former
Type
Manufacturers’ Part Numbers
Pulse
(Note 16)
Surface Mount
PE-68413
PE-68414
—
Coilcraft
(Note 15)
Coilcraft
(Note 15)
Surface Mount
Q4437-B
Q4438-B
S6057-A
Pulse
(Note 16)
Renco
(Note 17)
Schott
(Note 18)
T5
T6
T7
Q4338-B
Q4339-B
S6000-A
—
—
RL-5532
RL-5533
RL-5751
67140890
67140900
26606
PE-68482
Note 15:
Coilcraft Inc.
1102 Silver Lake Road, Cary, IL 60013:
Note 16:
Pulse Engineering Inc.
12220 World Trade Drive, San Diego, CA 92128:
Note 17:
Renco Electronics Inc.
60 Jeffryn Blvd. East, Deer Park, NY 11729:
Note 18:
Schott Corp.
1000 Parkers Lane Road, Wayzata, MN 55391:
Phone: (800) 322-2645
Fax: (708) 639-1469
Phone: (619) 674-8100
Fax: (619) 674-8262
Phone: (800) 645-5828
Fax: (516) 586-5562
Phone: (612) 475-1173
Fax: (612) 475-1786
FIGURE 14. Transformer Manufacturer Guide
www.national.com
14
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| LM2585S-3.3 | SIMPLE SWITCHER 3A Flyback Regulator |
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| LM2585S-5.0 | SIMPLE SWITCHER 3A Flyback Regulator |
| LM2585T-12 | SIMPLE SWITCHER 3A Flyback Regulator |
| LM2585T-3.3 | SIMPLE SWITCHER 3A Flyback Regulator |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LM2585S-12/NOPB | 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關(guān)頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數(shù)量:2 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT |
| LM2585S-3.3 | 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關(guān)頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數(shù)量:2 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT |
| LM2585S-3.3/NOPB | 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關(guān)頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數(shù)量:2 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT |
| LM2585S-5.0 | 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關(guān)頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數(shù)量:2 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT |
| LM2585S-5.0/NOPB | 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關(guān)頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數(shù)量:2 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT |
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