BU15TA2WNVX_11 Datasheet, PDF (13/30 Pages) Rohm – 1ch 200mA CMOS LDO Regulators

BUTA2WNVX series, BUTA2WHFV series
●Reference data BU25TA2WNVX / HFV (Unless otherwise specified, Ta=25℃)
80
70
60
50
40
30
20
Vin= 3.5V
Io=10mA
10
Ta = 25℃
0
0.1
1
10
100
1000
Frequency (kHz)
Fig. 75 Ripple Rejection VS Freq.
80
70
60
50
40
30
20
10
0
2.5
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℃
3.5
4.5
5.5
Input Voltage VIN[V]
Fig. 76 Ripple Rejection VS VIN
Technical Note
1.2
Co=1.0μF
1
Cin=1.0μF
Iout=10mA
temp=25℃
0.8
0.6
0.4
0.2
0
0.1
1
10
100
Frequency f [kHz]
Fig. 77 Output Noise Spectrl
Density VS Freq.
I OU T=0m A→100m A
I OU T=100m A→0m A
Fig. 78 Load Response
Fig. 79 Load Response
Fig. 80 Load Response
Fig. 81 Load Response
⇔
⇔
Fig. 82 Load Response
Current Pulse=10kHz
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Fig. 83 Load Response
Current Pulse=10kHz
2011.01 - Rev.C