參數(shù)資料
型號: LM2574N-12
廠商: NATIONAL SEMICONDUCTOR CORP
元件分類: 穩(wěn)壓器
英文描述: SIMPLE SWITCHER⑩ 0.5A Step-Down Voltage Regulator
中文描述: 1.8 A SWITCHING REGULATOR, 63 kHz SWITCHING FREQ-MAX, PDIP8
封裝: DIP-8
文件頁數(shù): 7/24頁
文件大小: 397K
代理商: LM2574N-12
LM2574
7
MOTOROLA ANALOG IC DEVICE DATA
A
B
200
μ
s/DIV
200
μ
s/DIV
Figure 14. 500 mA Load Transient Response for
Continuous Mode Operation, L = 330
μ
H, Cout = 300
μ
F
Figure 15. 250 mA Load Transient Response for
Discontinuous Mode Operation, L = 68
μ
H, Cout = 470
μ
F
A: Output Voltage, 50 mV/DIV, AC Coupled
B: 100 mA to 500 mA Load Pulse
A
B
A: Output Voltage, 50 mV/DIV, AC Coupled
B: 50 mA to 250 mA Load Pulse
TYPICAL PERFORMANCE CHARACTERISTICS
(Circuit of Figure 16)
(continued)
50 mV
AC
500 mA
0
50 mV
AC
200 mA
100 mA
0
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