參數(shù)資料
型號(hào): LM2587SX-12
廠商: NATIONAL SEMICONDUCTOR CORP
元件分類: 穩(wěn)壓器
英文描述: SIMPLE SWITCHER 5A Flyback Regulator
中文描述: 5 A SWITCHING REGULATOR, 100 kHz SWITCHING FREQ-MAX, PSSO5
封裝: TO-263, 5 PIN
文件頁(yè)數(shù): 14/26頁(yè)
文件大?。?/td> 676K
代理商: LM2587SX-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.
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
相關(guān)PDF資料
PDF描述
LM2587 Octal D-type Edge-Triggered Flip-Flops With 3-State Outputs 20-TSSOP -40 to 85
LM2588SX-5.0 SIMPLE SWITCHER 5A Flyback Regulator with
LM2588S-12 Octal D-type Edge-Triggered Flip-Flops With 3-State Outputs 20-TSSOP -40 to 85
LM2588S-3.3 SIMPLE SWITCHER 5A Flyback Regulator with
LM2588S-ADJ Octal D-type Edge-Triggered Flip-Flops With 3-State Outputs 20-TSSOP -40 to 85
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LM2587SX-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
LM2587SX-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
LM2587SX-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
LM2587SX-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
LM2587SX-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