參數(shù)資料
型號(hào): LM2575S-5.0
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, PSSO5
封裝: PLASTIC, TO-263, 5 PIN
文件頁(yè)數(shù): 6/12頁(yè)
文件大小: 195K
代理商: LM2575S-5.0
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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