TYPICAL OPERATING CHARACTERISTICS
V
IN
= V
OUT(NOMINAL)
+ 0.5V or 2.5V (whichever is greater), C
IN
= 1µF, C
OUT
= 1µF, C
BP
= 0.01µF, T
A
= +25℃, unless otherwise noted.
Power-Supply Rejection Ratio
vs.Frequency
80
70
60
C
BP
= 0.1
μ
F
I
LOAD
= 50mA
Output Noise Spectral Density
vs.Frequency
Output Noise Spectral Density
(
μ
V/
√
Hz)
10
C
BP
= 0.01μF
I
LOAD
= 10mA
1
PSRR(dB)
50
40
30
20
10
0
0.01
C
OUT
= 1
μ
F
C
OUT
= 10
μ
F
C
OUT
= 1μF
0.1
C
OUT
= 10μF
0.1
1
10
100
1000
0.1
1
10
100
1000
0.01
0.01
Frequency(kHz)
Frequency(kHz)
Output Noise vs.BP Capacitance
80
70
Output Noise(
µ
V
RMS
)
60
50
40
30
20
10
0
0.001
V
OUT
= 2.5V
V
OUT
= 3.0V
V
OUT
= 5.0V
Output Noise vs.Load Current
100
90
Output Noise(
µ
V
RMS
)
80
70
60
50
40
30
20
10
0
V
OUT
= 2.5V
1
10
100
Load Current(mA)
1000
V
OUT
= 5.0V
V
OUT
= 3.0V
f = 10Hz to 100kHz
C
BP
= 0.01μF
C
OUT
= 10μF
f = 10Hz to 100kHz
C
OUT
= 10
μ
F
I
LOAD
= 10mA
0.01
BP Capacitance(µF)
0.1
Region of Stable C
OUT
ESR vs.Load Current
100
Output Noise 10Hz To 100KHz
V
OUT
= 2.5V
C
OUT
= 10μF
I
LOAD
= 10mA
C
BP
= 0.1μF
10
C
OUT
ESR(
Ω
)
C
OUT
= 10μF
1
Stable Region
0.1
C
OUT
= 1μF
0.02
0.01
0
30
60
90
Load Current(mA)
120
150
V
OUT
(200μV/div)
Time(100μs/div)
８
SG2001/A
SGMICRO [ Shengbang Microelectronics Co, Ltd ]
