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參數(shù)資料
| 型號： | TL431S |
| 廠商： | CALOGIC LLC |
| 元件分類： | 基準電壓源/電流源 |
| 英文描述： | Precision Adjustable Precision Adjustable |
| 中文描述： | 1-OUTPUT THREE TERM VOLTAGE REFERENCE, 2.495 V, PSSO3 |
| 封裝： | SOT-89, 3 PIN |
| 文件頁數(shù)： | 5/11頁 |
| 文件大?。?/td> | 194K |
| 代理商： | TL431S |
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 |
|---|---|
| TL431-S08-R | 制造商:UTC-IC 制造商全稱:UTC-IC 功能描述:PROGRAMMABLE PRECISION REFERENCE |
| TL431-S08-T | 制造商:UTC-IC 制造商全稱:UTC-IC 功能描述:PROGRAMMABLE PRECISION REFERENCE |
| TL431SDT | 制造商:NXP Semiconductors 功能描述:VREG 2% 2.495V 36V 3SOT23 制造商:NXP Semiconductors 功能描述:VREG, 2%, 2.495V, 36V, 3SOT23 制造商:NXP Semiconductors 功能描述:VREG, 2%, 2.495V, 36V, 3SOT23; Output Voltage Min:2.5V; Output Voltage Max:36V; Voltage Regulator Case Style:SOT-23; No. of Pins:3; No. of Outputs:1; Output Current:100mA; Operating Temperature Min:-40C; Operating Temperature ;RoHS Compliant: Yes |
| TL431SDT,215 | 功能描述:基準電壓& 基準電流 SHUNT REGULATOR RoHS:否 制造商:STMicroelectronics 產(chǎn)品:Voltage References 拓撲結(jié)構(gòu):Shunt References 參考類型:Programmable 輸出電壓:1.24 V to 18 V 初始準確度:0.25 % 平均溫度系數(shù)（典型值）:100 PPM / C 串聯(lián) VREF - 輸入電壓（最大值）: 串聯(lián) VREF - 輸入電壓（最小值）: 分流電流（最大值）:60 mA 最大工作溫度:+ 125 C 封裝 / 箱體:SOT-23-3L 封裝:Reel |
| TL431SDT215 | 制造商:Rochester Electronics LLC 功能描述: 制造商:NXP 功能描述: 制造商:NXP Semiconductors 功能描述: |
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