LM2576T-15 查看數據表（PDF） - Motorola => Freescale

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LM2576T-15

Easy Switcher 3.0 A Step–Down Voltage Regulator

Motorola => Freescale 

LM2576

TYPICAL PERFORMANCE CHARACTERISTICS (Circuit of Figure 15)

50 V

A

0

Figure 13. Switching Waveforms

4.0 A

B 2.0 A

0

4.0 A

C 2.0 A

0

D

5 µs/DIV

Vout = 15 V

A: Output Pin Voltage, 10 V/DIV

B: Inductor Current, 2.0 A/DIV

C: Inductor Current, 2.0 A/DIV, AC–Coupled

D: Output Ripple Voltage, 50mV/dDIV, AC–Coupled

Horizontal Time Base: 5 µs/DIV

Figure 14. Load Transient Response

100 mV

Output

Voltage 0

Change

– 100 mV

3.0 A

Load 2.0 A

Current

1.0 A

0

100 µs/DIV

MOTOROLA ANALOG IC DEVICE DATA

7

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