LM2576BT Ver la hoja de datos (PDF) - Micrel

Número de pieza

componentes Descripción

Fabricante

LM2576BT

52kHz Simple 3A Buck Voltage Regulator

Micrel 

LM2576

Typical Performance Characteristics (Circuit of Figure 1)

+100mV

Output

Voltage

Change

0

-100mV

3A

2A

Output

Current

1A

0

Load Transient Response

100 µS/div.

50V

A

0

4A

B 2A

0

4A

C 2A

0

D

Switching Waveforms

5 µS/div.

VOUT = 5V VIN = 45V

A: Output pin voltage 50V/div

B: Output pin current 2A/div

C: Inductor current 2A/div

D: Output ripple voltage 50 mV/div., AC coupled

Horizontal Time Base: 5µS/div

Micrel

4-126

October 1998

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