參數(shù)資料
型號： ZR431LF02
廠商： ZETEX PLC
元件分類： 基準(zhǔn)電壓源/電流源
英文描述： ADJUSTABLE PRECISION ZENER SHUNT REGULATOR
中文描述： 1.24 V-10 V ADJUSTABLE POSITIVE REGULATOR, PDSO3
封裝： SOT-23, 3 PIN
文件頁數(shù)： 2/7頁
文件大?。?/td> 207K
代理商： ZR431LF02
ZR431L
ABSOLUTE MAXIMUM RATING
Cathode Voltage (V
Z
)
Cathode Current
Operating Temperature
Storage Temperature
Recommended Operating Conditions
10V
50mA
-40 to 85°C
-55 to 125°C
Min
V
REF
100
μ
A 25mA
Max
10V
Cathode Voltage
Cathode Current
ELECTRICAL CHARACTERISTICS TEST CONDITIONS (Unless otherwise stated):T
amb
=25°C
VALUE
MIN
TYP
Power Dissipation (T
amb
=25°C,
T
jmax
=150°C)
SOT23
TO92
330mW
600mW
PARAMETER
SYMBOL
UNITS CONDITIONS
MAX
Reference Voltage 2.5%
1.0%
Deviation of Reference
Input Voltage over
Temperature
Ratio of the change in
Reference Voltage to the
Change in Cathode
Voltage
V
ref
1.209
1.228
1.24
1.24
4.0
1.271
1.252
8.0
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
0.5
2.0
mV/V V
Z
from V
ref
to 10V
I
Z
=10mA (Fig2)
Reference Input Current
I
ref
I
ref
0.02
0.11
0.4
μ
A
μ
A
R1=10k, R2=O/C, l
L
=10mA (Fig2)
R1=10k, R2=O/C, I
L
=10mA
T
a
=full range (Fig2)
Deviation of Reference
Input Current over
Temperature
Minimum Cathode
Current for Regulation
Off-state Current
0.02
0.2
I
Zmin
30
100
μ
A
I
Zoff
R
Z
10
30
μ
A
V
Z
=10V, V
ref
=0V (Fig3)
V
Z
=V
ref
(Fig1), f=0Hz,
I
L
=10mA
Dynamic Output
Impedance
Deviation of reference input voltage, V
is defined as the maximum variation of the
reference input voltage over the full temperature range.
0.25
2
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
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