TYPICAL OPERATING CHARACTERISTICS
VIN = VOUT(NOMINAL) + 0.5V or 2.5V (whichever is greater), CIN = 1µF, COUT = 1µF, CBP = 0.01µF, TA = +25℃, unless otherwise noted.
Power-Supply Rejection Ratio
vs.Frequency
Output Noise Spectral Density
vs.Frequency
80
70
60
50
40
30
20
10
0
10
1
μ
CBP =0.1 F
ILOAD =50mA
CBP =0.01μF
LOAD =10mA
I
μ
COUT =10 F
COUT =1μF
0.1
μ
COUT =1 F
COUT =10μF
0.01
0.01
0.1
1
10
100
1000
0.01
0.1
1
10
100
1000
Frequency(kHz)
Frequency(kHz)
Output Noise vs.Load Current
Output Noise vs.BP Capacitance
100
90
80
70
60
50
40
30
20
10
0
80
70
60
50
40
30
20
10
0
f=10Hzto100kHz
f=10Hzto100kHz
COUT=10
LOAD =10mA
CBP =0.01μF
COUT =10μF
VOUT =5.0V
μ
F
I
VOUT =3.0V
VOUT =5.0V
VOUT =3.0V
VOUT =2.5V
VOUT =2.5V
0.001
0.01
BP Capacitance(µF)
0.1
1
10
100
1000
Load Current(mA)
Output Noise 10Hz To 100KHz
Region of Stable COUT ESR vs.Load Current
100
VOUT = 2.5V
COUT = 10μF
ILOAD = 10mA
CBP = 0.1μF
C
= 10μF
10
1
OUT
C
= 1μF
OUT
Stable Region
0.1
0.02
0.01
Time(100μs/div)
0
30
60
90
120
150
Load Current(mA)
８
SG2001/A
SGMICRO [ Shengbang Microelectronics Co, Ltd ]
