L4976D(2000) Ver la hoja de datos (PDF) - STMicroelectronics

Número de pieza

componentes Descripción

Fabricante

L4976D
(Rev.:2000)

1A STEP DOWN SWITCHING REGULATOR

STMicroelectronics 

L4976

Figure 19. Line transient.

VCC

(V)

30

D97IN786

20

10

1

VO

(mV)

IO = 1A

fsw = 100KHz

100

2

0

1ms/DIV

-100

Figure 20. Open loop frequency and phase of er-

ror amplifier

GAIN

(dB)

D97IN787

Phase

50

GAIN

0

0

-50

45

-100

-150

Phase

90

135

-200

10 102 103 104 105 106 107 108 f(Hz)

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