參數(shù)資料
型號(hào): ZHT2431C02
廠商: Electronic Theatre Controls, Inc.
英文描述: HIGH TEMPERATURE ADJUSTABLE PRECISION ZENER SHUNT REGULATOR
中文描述: 高溫調(diào)節(jié)型齊納并聯(lián)穩(wěn)壓器
文件頁數(shù): 2/6頁
文件大?。?/td> 176K
代理商: ZHT2431C02
ELECTRICAL CHARACTERISTICS
TEST CONDITIONS (Unless otherwise stated):T
amb
=25°C
PARAMETER
SYMBOL
VALUE
UNITS CONDITIONS
MIN TYP
MAX
Reference Voltage 2.5% V
ref
1.21
1.24 1.27 V
I
L
=10mA (Fig1), V
Z
=V
ref
Deviation of Reference Input
Voltage over Temperature
V
dev
5.0
15.0 mV
I
L
=10mA, V
Z
=V
ref
T
a
=full range (Fig1)
Ratio of the change in
Reference Voltage to the
Change in Cathode Voltage
V
ref
V
Z
0.5
2.0
mV/V
V
Z
from V
ref
to 10V
I
Z
=10mA (Fig2)
Reference Input Current
I
ref
0.02
0.11 0.4
μ
A
R1=10K, R2=O/C, l
L
=10mA
(Fig2)
Deviation of Reference Input
Current over Temperature
I
ref
0.02 0.2
μ
A
R1=10K, R2=O/C, I
L
=10mA
T
a
=full range (Fig2)
Minimum Cathode Current
for Regulation
I
Zmin
30
100
μ
A
Off-state Current
I
Zoff
10
30
μ
A
V
Z
=15V, V
ref
=0V (Fig3)
Dynamic Output
Impedance
R
Z
0.25 2
V
Z
=V
ref
(Fig1), f=0Hz,
I
L
=10mA
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
x
1000000
V
ref
(
T
1
T
2
)
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
R2
1
+
R1
With a capacitance of greater than 100pF
between cathode and anode, minimum
cathode current must be 0.2mA.
Vmax
Vmin
T1
T2
Vdev = Vmax - Vmin
Temperature
ZHT2431
ABSOLUTE MAXIMUM RATING
Cathode Voltage (V
Z
)
Cathode Current
Operating Temperature
Storage Temperature
Recommended Operating Conditions
Cathode Voltage (min)V
REF
to (max) 15V
Cathode Current (min) 100
μ
A to (max) 25mA
15V
50mA
-55 to 125°C
-55 to 125°C
Power Dissipation (T
amb
=25°C, T
jmax
=150°C)
SOT23
TO92
330mW
780mW
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