參數(shù)資料
型號： TLV431BIDBVR
廠商： TEXAS INSTRUMENTS INC
元件分類： 基準電壓源/電流源
英文描述： 1-OUTPUT THREE TERM VOLTAGE REFERENCE, 1.24 V, PDSO5
封裝： GREEN, PLASTIC, SOT-23, 5 PIN
文件頁數(shù)： 39/41頁
文件大?。?/td> 1102K
代理商： TLV431BIDBVR
TLV431, TLV431A, TLV431B
LOW-VOLTAGE ADJUSTABLE PRECISION SHUNT REGULATOR
SLVS139T JULY 1996 REVISED JUNE 2007
7
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
TLV431A electrical characteristics at 25
°C free-air temperature (unless otherwise noted)
PARAMETER
TEST CONDITIONS
TLV431A
UNIT
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
TA = 25°C
1.228
1.24
1.252
V
Reference voltage
VKA = VREF,
TA = full range
TLV431AC
1.221
1.259
V
VREF
Reference voltage
VKA = VREF,
IK = 10 mA
TA = full range
(see Note 3 and
TLV431AI
1.215
1.265
V
(see Note 3 and
Figure 1)
TLV431AQ
1.209
1.271
V
d
i ti
f ll
V
I
10
A
TLV431AC
4
12
VREF(dev)
VREF deviation over full
temperature range (see Note 4)
VKA = VREF, IK = 10 mA
(see Note 3 and Figure 1)
TLV431AI
6
20
mV
VREF(dev)
temperature range (see Note 4)
(see Note 3 and Figure 1)
TLV431AQ
11
31
mV
VREF
VKA
Ratio of VREF change in cathode
voltage change
VKA = VREF to 6 V, IK = 10 mA (see Figure 2)
1.5
2.7
mV/V
Iref
Reference terminal current
IK = 10 mA, R1 = 10 k, R2 = open (see Figure 2)
0.15
0.5
A
I
d
i ti
f ll
I
10
A R1
10 k
R2
TLV431AC
0.05
0.3
Iref(dev)
Iref deviation over full
temperature range (see Note 4)
IK = 10 mA, R1 = 10 k, R2 = open
(see Note 3 and Figure 2)
TLV431AI
0.1
0.4
A
Iref(dev)
temperature range (see Note 4)
(see Note 3 and Figure 2)
TLV431AQ
0.15
0.5
A
I
Minimum cathode current for
V
(see Figure 1)
TLV431AC/AI
55
80
A
IK(min)
Minimum cathode current for
regulation
VKA = VREF (see Figure 1)
TLV431AQ
55
100
A
IK(off)
Off-state cathode current
VREF = 0, VKA = 6 V (see Figure 3)
0.001
0.1
A
|zKA|
Dynamic impedance
(see Note 5)
VKA = VREF, f ≤ 1 kHz,
IK = 0.1 mA to 15 mA (see Figure 1)
0.25
0.4
NOTES:
3. Full temperature ranges are 40
°C to 125°C for TLV431AQ, 40°C to 85°C for TLV431AI, and 0°C to 70°C for TLV431AC.
4. The deviation parameters VREF(dev) and Iref(dev) are defined as the differences between the maximum and minimum values
obtained over the rated temperature range. The average full-range temperature coefficient of the reference input voltage,
αVREF,
is defined as:
αV
REF
ppm
°C +
V
REF(dev)
V
REF (TA+25°C)
106
T
A
where
TA is the rated operating free-air temperature range of the device.
αVREF can be positive or negative, depending on whether minimum VREF or maximum VREF, respectively, occurs at the
lower temperature.
5. The dynamic impedance is defined as z
ka +
V
KA
I
K
When the device is operating with two external resistors (see Figure 2), the total dynamic impedance of the circuit is defined
as:
z
ka +
V
I [
z
ka
1
) R1
R2
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相關代理商/技術參數(shù)
參數(shù)描述
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TLV431BIDBVT 功能描述:基準電壓& 基準電流 Lo-Vtg Adj Precision Shunt Regulator RoHS:否 制造商:STMicroelectronics 產品:Voltage References 拓撲結構: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
TLV431BIDBVTE4 功能描述:基準電壓& 基準電流 Lo-Vtg Adj Precision Shunt Regulator RoHS:否 制造商:STMicroelectronics 產品:Voltage References 拓撲結構: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
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