UPC574 查看數據表（PDF） - NEC => Renesas Technology
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UPC574
NEC => Renesas Technology
UPC574 Datasheet PDF : 8 Pages
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µPC574
TYPICAL CHARACTERISTIC (TA = 25°C, unless otherwise specified.)
Power Dissipation vs.
Ambient Temperature
Free Air
400
300
200
100
Dynamic Resistance vs.
Zener Current
80
60
40
20
IAC
=
IZ
10
f = 1 kHz
10
8
6
4
–20
0
25
50
75
TA - Operating Ambient Temperature - °C
2
0
2
4
6
8
10
IZ - Zener Current - mA
Stabilized Voltage Temperature
Drift vs. Zener Current
+4
+3
+2
+1
0
–1
–2
–3
–4
0
2
4
6
8
10
IZ - Zener Current - mA
Stabilized Voltage Variation &
Supply Voltage Variation vs.
Zener Current
+1.0
+0.8
Reference IZ = 5 mA
RS
+0.6
A IZ
+30
+0.4
VB
2 V VZ
574J
+20
1
+0.2
+10
0
0
–0.2
–0.4
–0.6
–0.8
–10
∆VZ = VZ (IZ) – VZ (5)
TA = –20 °C
–20
TA = +25 °C
–30
TA = +75 °C
–1.0
0
2
4
6
8
10
IZ - Zener Current - mA
Stabilized Voltage Variation
vs. Time
+80
+60
+40
+20
0
–20
–40
IZ = 5 mA XY – Recoder
Free Air
IZ = 5 mA
+–
VREF
VZ = 33.11 V
–60
–80
0 5 10 15 20304050 1 5 10 20 30
s.
min.
t - Time
3
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