參數(shù)資料
型號(hào)： TL431CPK
廠商： 永盛國(guó)際集團(tuán)
英文描述： adjustable precision shunt regulator
中文描述： 可調(diào)節(jié)精密并聯(lián)穩(wěn)壓器
文件頁(yè)數(shù)： 5/11頁(yè)
文件大小： 194K
代理商： TL431CPK
AIC431/TL431A/TL431
5
n
ELECTRICAL CHARACTERISTICS
(Continued)
PARAMETER
TEST CONDITIONS
V
Z
=V
REF
(Fig. 1)
SYMBOL
MIN.
TYP.
0.25
MAX.
0.5
UNIT
mA
Minimum Cathode current for
Regulation
I
Z(MIN)
Off-State Current
V
Z
=20V, V
REF
=0V (Fig. 3)
I
Z(OFF)
0.1
1.0
μ
A
Dynamic Output Impedance
(Note 4)
V
Z
=V
REF
Frequency= 0Hz (Fig. 1)
R
Z
0.08
0.3
T
2
T
1
V
MAX
V
DEV
= V
MAX
-V
MIN
V
MIN
TEMPERATURE
Note 3
. Deviation of reference input voltage, V
DEV
, is de-
fined as the maximum variation of the reference input
voltage over the full temperature range.
The average temperature coefficient of the reference in-
put voltage,
α
V
REF
is defined as:
V
-
V
ppm
V
REF
°
T1
T2
10
C)
°
25
(at
V
V
T1
T2
6
10
C)
°
25
(at
V
C
6
REF
DEV
REF
MIN
MAX
±
=
±
=
Where:
T
2
T
1
=full temperature change.
α
V
REF
can be positive or negative depending on
whether the slope is positive or negative.
Example: V
DEV
= 9.0mV, V
REF
= 2495mV,
T
2
T
1
= 70
°
C, slope is negative.
9.0mV
=
°
C
50ppm/
V
C
70
6
10
2495mV
REF
°
=
a
Note 4.
The dynamic output impedance, Rz, is de-
fined as:
R
Z
=
Z
Z
V
I
When the device is programmed with two external re-
sistors, R1 and R2, (see Fig. 2), the dynamic output
impedance of the overall circuit, is defined as:
Vz
z
r
[
]
R2
R1
1
Rz
Iz
+
=
n
TYPICAL PERFORMANCE CHARACTERISTICS
-1.0
-0.5
0.0
0.5
1.0
1.5
2.0
2.5
3.0
-600
-400
-200
0
200
400
600
800
1000
I
Z(MIN)
V
Z
=V
REF
T
A
=25
°
C
Cathode Current vs Cathode Voltage
C
μ
A
Cathode Voltage (V)
-40
-20
0
20
40
60
80
100
120
2.40
2.42
2.44
2.46
2.48
2.50
2.52
2.54
2.56
2.58
Reference Voltage vs Temperature
V
Z
=V
REF
I
Z
=10mA
R
V
Temperature (
°
C)
V
REF
=2.535V
V
REF
=2.495V
V
REF
=2.455V
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TL431CPKE4 制造商:Texas Instruments 功能描述:
TL431CPKE6 制造商:Texas Instruments 功能描述:
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TL431CPKG4 制造商:Texas Instruments 功能描述:SHUNT REG ADJ +2.5/36V SOT-89 431 制造商:Texas Instruments 功能描述:SHUNT REG ADJ +2.5/36V, SOT-89, 431 制造商:Texas Instruments 功能描述:SHUNT REG ADJ +2.5/36V, SOT-89, 431; Topology:Shunt, Adjustable; Input Voltage:2.495V to 36V; Reference Voltage:2.495V; Reference Voltage Tolerance:50mV; Voltage Reference Case Style:SOT-89; No. of Pins:3; Temperature Coefficient: ;RoHS Compliant: Yes 制造商:Texas Instruments 功能描述:SHUNT REG ADJ +2.5/36V, SOT-89, 431; Topology:Shunt, Adjustable; Input Voltage Min:2.495V; Input Voltage Max:36V; Reference Voltage:2.495V; Reference Voltage Tolerance:50mV; Voltage Reference Case Style:SOT-89; No. of Pins:3; ;RoHS Compliant: Yes
TL431CPS 制造商:Texas Instruments 功能描述:V-Ref Adjustable 2.495V to 36V 100mA 8-Pin SOP Bulk
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