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−1.0
Time −
µ
s
−0.5 0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5
1.2
1
0.8
0.6
0.4
0.2
0
−1
−0.8
−0.6
−0.4
−0.2
0
0.2
0.4
0.6
0.8
1
V
O
= 10 v
V
I
= 15 v,
∆
V
I
= +1 v
I
L
= 50 毫安
T
J
= 25
°
C
C
L
= 0
µ
F
C
ADJ
= 0
µ
F
∆
V
I
− 输入 voltage 改变 − v
∆
V
O
− 输出 voltage 改变 − v
−10
Time −
µ
s
−0.2
∆
I
O
− 输出 电流 改变 − 一个
∆
V
O
− 输出 voltage 改变 − v
−5 0 5 10 15 20 25 30 35
−0.1
0
0.1
0.2
0.3
0.4
0.5
0.6
−4.0
−3.0
−2.0
−1.0
0
1.0
2.0
3.0
4.0
5.0
V
I
= 15 v
V
O
= 10 v
I
L
= 50 毫安
∆
I
L
= +500 毫安
C
L
= 1
µ
F
C
ADJ
= 10
µ
F
C
L
= 0
µ
F
C
ADJ
= 0
µ
F
LM317M
3-terminaladjustableregulator
SLVS297M–APRIL2000–REVISEDOCTOBER2005
typicalcharacteristics(持续)
LINETRANSIENTRESPONSE
vs
时间
figure12.
LOADTRANSIENTRESPONSE
vs
时间
figure13.
6
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