BU28TA2WHFV(2009) Просмотр технического описания (PDF) - ROHM Semiconductor

Номер в каталоге

Компоненты Описание

производитель

BU28TA2WHFV
(Rev.:2009)

High-speed Load Response FULL CMOS LDO Regulators

ROHM Semiconductor 

BUTA2WNVX Series, BUTA2WHFV Series

Technical Note

●Reference data BU33TA2WNVX / HFV (Unless otherwise specified, Ta=25℃)

80

70

60

50

40

30

20

Vin= 4.3V

Io=10mA

10

Ta = 25℃

0

0.1

1

10

100

1000

Frequency (kHz)

Fig. 162 Ripple Rejection VS Freq.

80

70

60

50

40

30

20

10

0

3.3

f= 1 kHz

f= 0 .1 kHz

f= 1 0 kHz

f= 1 0 0 kHz

Co=1.0μF

Cin=none

Iout=10mA

temp=25℃

4.3

5.3

Input Voltage VIN[V]

Fig. 163 Ripple Rejection VS VIN

1.8

1.6

1.4

1.2

1

0.8

0.6

0.4

0.2

0

0.1

Co=1.0μF

Cin=1.0μF

Iout=10mA

temp=25℃

1

10

100

Frequency f [kHz]

Fig. 164 Output Noise Spectrl

Density VS Freq.

Fig. 165 Load Response

Fig. 166 Load Response

Fig. 167 Load Response

Fig. 168 Load Response

Fig. 169 Load Response

Current Pulse=10kHz

www.rohm.com

© 2009 ROHM Co., Ltd. All rights reserved.

21/27

Fig. 170 Load Response

Current Pulse=10kHz

2009.05 - Rev.B

Share Link: