LM2574N-ADJ datasheet(7/26 Pages) ONSEMI

部品番号	LM2574N-ADJ

部品情報	0.5 A, Adjustable Output Voltage, Step-Down Switching Regulator

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LM2574, NCV2574

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A

B

200

ms/DIV

200

ms/DIV

Figure 14. 500 mA Load Transient Response for

Continuous Mode Operation, L = 330

mH, Cout = 300 mF

Figure 15. 250 mA Load Transient Response for

Discontinuous Mode Operation, L = 68

mH, Cout = 470 mF

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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