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UPC1945 查看數據表(PDF) - NEC => Renesas Technology
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产品描述 (功能)
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UPC1945
ADJUSTABLE PRECISION SHUNT REGULATORS
NEC => Renesas Technology
UPC1945 Datasheet PDF : 12 Pages
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µ
PC1945
A
v
,
φ
vs f
60
0
A
v
40
−
50
φ
20
−10
0
0
−
20
1
2.2 k
Ω
I
K
υ
o
υ
in
10 k
Ω
100 pF
(I
K
= 2 mA)
10 k
Ω
10
100
1000
f - Frequency - kHz
−
150
−
200
10000
| Z
KA
| vs f
50
T
A
= 25 C
V
K
= V
CC
= V
REF
I
K
= 2mA
10
1.0
0.1
0.1
1
10
100
f - Frequency - kHz
1000
a,b,c
1.6
a: V
K
= V
CC
= V
REF
1.4
b: V
K
= V
CC
= 3 V
c: V
K
= V
CC
= 5 V
1.2
Stability Area
1
Unstable
0.8
0.6
0.4
0.2
0
1
10
Stable
100
a
Unstable
b
Stable
Unstable
1000
10000
100000
C
KA
- Lode Capacitance - pF
Test Circuit
a:
2.2 k
Ω
I
K
C
KA
b, c:
2.2 k
Ω
I
K
R
C
KA
10 k
Ω
C
KA
: Monolithic Ceramic Capacitor
Caution of Stability Area
When using plural different types of capacitors, each capacitor is needed to be stable independently
.
Data Sheet G14875EJ2V0DS
7
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