www.德州仪器.com
0 25 50
T
J
− temperature −
°
C
2.5
2
1.5
1
0.5
0
I
L
= 500 毫安
I
L
= 100 毫安
− v
O
(v
I
) − 输入-输出 voltage 差别的 − v
75 100 125
10 hz
频率
100
波纹 拒绝 − db
100 hz
1 khz
90
80
70
60
50
40
30
20
10
0
V
I
= 15 vdc 和 v交流 = 1 v
PP
V
O
= 10 v
I
L
= 100 毫安
C
L
= 1
µ
F
C
i
= 0.1
µ
F
C
ADJ
= 0
µ
F
C
ADJ
= 10
µ
F
10 khz 100 khz
10 hz
频率
10.00
50 hz 100 hz 500 hz
1 khz 5 khz 10 khz 50 khz 100 khz
150 khz
1.00
0.10
0.01
输出 阻抗 −
Ω
V
I
= 15 v
V
O
= 10 v
I
L
= 100-毫安 直流 和 10-毫安 rms
C
ADJ
= 0
µ
F
C
ADJ
= 10
µ
F
LM317M
3-terminaladjustableregulator
SLVS297M–APRIL2000–REVISEDOCTOBER2005
typicalcharacteristics(持续)
ripplerejectioninput-outputvoltagedifferential
vsvs
FREQUENCYTEMPERATURE
figure9.figure10.
OUTPUTIMPEDANCE
vs
频率
figure11.
5