BU28TA2WNVX(2009) Просмотр технического описания (PDF) - ROHM Semiconductor

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производитель

BU28TA2WNVX
(Rev.:2009)

High-speed Load Response FULL CMOS LDO Regulators

ROHM Semiconductor 

BUTA2WNVX Series, BUTA2WHFV Series

Technical Note

●Reference data BU28TA2WNVX / HFV (Unless otherwise specified, Ta=25℃)

80

70

60

50

40

30

20

10

0

0.1

Vin= 3.8V

Io=10mA

Ta = 25℃

1

10

100

1000

Frequency (kHz)

Fig. 104 Ripple Rejection VS Freq.

80

70

60

50

40

30

20

10

0

2.8

f= 0 .1 kHz

f= 1 kHz

f= 1 0 kHz

f= 1 0 0 kHz

Co=1.0μF

Cin=none

Iout=10mA

temp=25℃

3.8

4.8

Input Voltage VIN[V]

Fig. 105 Ripple Rejection VS VIN

1.6

1.4

Co=1.0μF

Cin=1.0μF

Iout=10mA

1.2

temp=25℃

1

0.8

0.6

0.4

0.2

0

0.1

1

10

100

Frequency f [kHz]

Fig. 106 Output Noise Spectrl

Density VS Freq.

Fig. 107 Load Response

Fig. 108 Load Response

Fig.109 Load Response

Fig. 110 Load Response

⇔

⇔

Fig. 111 Load Response

Current Pulse=10kHz

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Fig. 112 Load Response

Current Pulse=10kHz

2009.05 - Rev.B

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