NCP691 Ver la hoja de datos (PDF) - ON Semiconductor

Número de pieza

componentes Descripción

Lista de partido

NCP691

1 A, IGND, Very Low Dropout Voltage Regulator (VLDO), with/without Enable

ON Semiconductor 

5.05

5.00

4.95

CIN = COUT = 10 mF,

trise = 10 ms

NCP690, NCP691, NCP692, NCV8690

TYPICAL CHARACTERISTICS

6

2.5

VIN

5

2.0

1.5

VOUT

1.0

0.5

0

VEN

VOUT

VIN = 2.5 V,

CIN = COUT = 10 mF,

IOUT = 1 A,

trise_EN = 10 ms

TIME (50 ms/DIV)

Figure 27. Line Transient

(Vout = 5.0 V)

TIME (50 ms/DIV)

Figure 28. Start−Up Transient

(Vout = 1.5 V)

3.5

VEN

6

3.0

5

2.5

VOUT

4

2.0

3

1.5

1.0

VIN = 3.5 V,

2

0.5

CIN = COUT = 10 mF,

1

IOUT = 1 A,

0

trise_EN = 10 ms

0

VEN

VOUT

VIN = 6.0 V,

CIN = COUT = 10 mF,

IOUT = 1 A,

trise_EN = 10 ms

TIME (50 ms/DIV)

Figure 29. Start−Up Transient

(Vout = 2.5 V)

TIME (50 ms/DIV)

Figure 30. Start−Up Transient

(Vout = 5.0 V)

70

60

50

40

30

20

10

0

10

VIN = 2.5 V,

VOUT = 1.5 V,

VPP = 0.5 V,

COUT = 1 mF

100

1000

10,000

FREQUENCY (Hz)

Figure 31. PSRR vs. Frequency

(Vout = 1.5 V)

100,000

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11

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