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参数资料
| 型号： | ZH431N801 |
| 厂商： | Electronic Theatre Controls, Inc. |
| 英文描述： | ADJUSTABLE PRECISION ZENER SHUNT REGULATOR |
| 中文描述： | 可调型齐纳并联稳压器 |
| 文件页数： | 2/7页 |
| 文件大小： | 106K |
| 代理商： | ZH431N801 |
ZH431
ABSOLUTE MAXIMUM RATING
Cathode Voltage (V
Z
)
Cathode Current
Operating Temperature
Storage Temperature
Recommended Operating Conditions
40V
50mA
-40 to 85°C
-55 to 125°C
Min
Vref
50
μ
A
Max
36V
30mA
Cathode Voltage
Cathode Current
ELECTRICAL CHARACTERISTICS TEST CONDITIONS (Unless otherwise
stated):T
amb
=25°C
SYMBOL
VALUE
Power Dissipation (T
amb
=25°C, T
jmax
=150°C)
SOT23
TO92
SOT223
SO8
SOT89
330mW
780mW
2W
780mW
1.5W
PARAMETER
UNITS CONDITIONS
MIN
2.45
2.475
TYP MAX
2.50
2.50
8.0
Reference Voltage 2%
1%
Deviation of Reference
Input Voltage over
Temperature
Ratio of the change in
Reference Voltage to the
Change in Cathode
Voltage
V
ref
2.55
2.525
17
V
I
L
=10mA (Fig1), V
Z
=V
ref
V
dev
mV
I
L
=10mA, V
Z
=V
ref
T
a
=full range (Fig1)
V
ref
V
Z
-0.7
-2.7
mV/V
V
Z
from V
ref
to 10V
I
Z
=10mA (Fig2)
V
Z
from 10V to 36V
I
Z
=10mA (Fig2)
R1=10k, R2=O/C, l
L
=10mA (Fig2)
R1=10k, R2=O/C, I
L
=10mA
T
a
=full range (Fig2)
-0.6
-2.0
mV/V
Reference Input Current
I
ref
I
ref
0.15 1.0
μ
A
μ
A
Deviation of Reference
Input Current over
Temperature
Minimum Cathode
Current for Regulation
Dynamic Output Impedance R
Z
0.06 0.2
I
Zmin
21
50
μ
A
V
Z
=V
ref
(Fig1)
0.75
V
Z
=V
ref
(Fig1), f=0Hz
Deviation of reference input voltage, V
dev,
is defined as the maximum variation of the reference
input voltage over the full temperature range.
The average temperature coefficient of the reference input voltage, V
ref
is defined as:
V
ref
(
ppm
°C
)=
V
dev
x1000000
V
ref
(
T1
T2
)
The dynamic output impedance, Rz, is defined as:
R
Z
=
V
Z
I
Z
When the device is programmed with two external
resistors, R1 and R2, (fig 2) , the dynamic output
impedance of the overall circuit, R’, is defined as:
R
’
=
R
z
(
1
+
R1
R2
)
Vmax
Vmin
T1
T2
Vdev = Vmax - Vmin
Temperature
4-16
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