參數(shù)資料
型號: LM2577T-15
廠商: NATIONAL SEMICONDUCTOR CORP
元件分類: 穩(wěn)壓器
英文描述: SENSOR MOD GEAR TOOTH 1.5
中文描述: 6 A SWITCHING REGULATOR, 62 kHz SWITCHING FREQ-MAX, PSFM5
封裝: TO-220, 5 PIN
文件頁數(shù): 18/27頁
文件大?。?/td> 889K
代理商: LM2577T-15
Application Hints
(Continued)
DS011468-13
Note:
Pin numbers shown are for TO-220 (T) package.
FIGURE 13. Step-up Regulator Delivers 12V from a 5V Input
DS011468-14
FIGURE 14. Line Regulation (Typical) of Step-Up Regulator of
Figure 13
DS011468-15
A: Output Voltage Change, 100 mV/div. (AC-coupled)
B: Load current, 0.2 A/div
Horizontal: 5 ms/div
FIGURE 15. Load Transient Response of Step-Up
Regulator of
Figure 13
DS011468-16
A: Switch pin voltage, 10 V/div
B: Switch pin current, 2 A/div
C: Inductor current, 2 A/div
D: Output ripple voltage, 100 mV/div (AC-coupled)
Horizontal: 5 μs/div
FIGURE 16. Switching Waveforms of Step-Up
Regulator of
Figure 13
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