
TC1306
6.0
典型特性(续)
电源抑制比与频率的关系
0
V
INDC
= 4V
V
INAC
= 100mV的
P-P
V
OUTDC
= 3V
I
OUT
= 150毫安
C
OUT
= 10μF陶瓷
电源抑制比与频率的关系
0
V
INDC
= 4V
V
INAC
= 100mV的
P-P
V
OUTDC
= 3V
I
OUT
= 100A
C
OUT
= 10μF钽
-20
-20
PSRR (分贝)
PSRR (分贝)
10
100
1k
F(赫)
10k
100
1M
-40
-40
-60
-60
-80
-80
-100
-100
10
100
1k
F(赫)
10k
100
1M
电源抑制比与频率的关系
0
V
INDC
= 4V
V
INAC
= 100mV的
P-P
V
OUTDC
= 3V
I
OUT
= 150毫安
C
OUT
= 10μF钽
输出噪声
10
-20
1
噪声(MV /
√Hz的)
V
OUT1
V
OUT2
0.1
PSRR (分贝)
-40
-60
0.01
-80
C
OUT1
= C
OUT2
= 4.7F,
I
负载
= 100mA时V
IN
= 4.0V
V
OUT1
= V
OUT2
= 3.0V
10
100
1k
F(赫)
10k
100
1M
-100
0.001
0.01
0.1
1
F(赫)
10
100
1000
DS21527B第8页
2002年Microchip的科技公司