參數(shù)資料
型號: LM2575T-ADJ
廠商: NATIONAL SEMICONDUCTOR CORP
元件分類: 穩(wěn)壓器
英文描述: SIMPLE SWITCHER 1A Step-Down Voltage Regulator
中文描述: 3.2 A SWITCHING REGULATOR, 63 kHz SWITCHING FREQ-MAX, PSFM5
封裝: TO-220, 5 PIN
文件頁數(shù): 6/12頁
文件大小: 195K
代理商: LM2575T-ADJ
www.ti.com
TYPICAL OPERATING CHARACTERISTICS
T
A
= 25
°
C (unless otherwise noted)
LM2575
1-A SIMPLE STEP-DOWN SWITCHING VOLTAGE REGULATOR
SLVS569D–JANUARY 2005–REVISED JULY 2005
GRAPH PREVIEWS
Figure 2. Normalized Output Voltage
Figure 3. Line Regulation
Figure 4. Dropout Voltage
Figure 5. Current Limit
Figure 6. Quiescent Current
Figure 7. Standby Quiescent Current
Figure 9. Quiescent Current vs Duty Cycle
Figure 0. Oscillator Frequency
Figure 10. Switch Saturation Voltage
Figure 11. Efficiency
Figure 12. Minimum Operating Voltage (Adjustable Version)
Figure 13. Feedback Voltage vs Duty Cycle
Figure 14. Feedback Pin Current (Adjustable Version)
Figure 15. Switching Waveforms
Figure 16. Load Transient Response
6
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LM2575T-ADJ 制造商:Texas Instruments 功能描述:SWITCHING REG 1A ADJ 2575 TO2205
LM2575T-ADJ/LB02 制造商:Texas Instruments 功能描述:SIMPLE SWITCHER 1A -40/+125 #01202511
LM2575T-ADJ/LB03 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 安裝風格:SMD/SMT
LM2575T-ADJ/LF02 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 安裝風格:SMD/SMT
LM2575T-ADJ/LF03 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 安裝風格:SMD/SMT