參數(shù)資料
型號(hào)： TLV431ID
廠(chǎng)商： Texas Instruments, Inc.
英文描述： LOW-VOLTAGE ADJUSTABLE PRECISION SHUNT REGULATORS
中文描述： 低電壓調(diào)節(jié)精密并聯(lián)穩(wěn)壓器
文件頁(yè)數(shù)： 8/34頁(yè)
文件大?。?/td> 646K
代理商： TLV431ID
SLVS139R JULY 1996 REVISED SEPTEMBER 2005
8
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
TLV431B electrical characteristics at 25
°
C free-air temperature (unless otherwise noted)
PARAMETER
TEST CONDITIONS
TLV431B
TYP
1.24
UNIT
MIN
1.234
MAX
1.246
TA = 25
°
C
VREF
Reference voltage
VKA = VREF,
IK = 10 mA
TA = full range
Figure 1)
TLV431BC
1.227
1.253
V
TLV431BI
1.224
1.259
(see Note 3 and
TLV431BQ
1.221
1.265
VREF deviation over full
temperature range (see Note 4)
VKA = VREF, IK = 10 mA
(see Note 3 and Figure 1)
TLV431BC
4
12
VREF(dev)
TLV431BI
6
20
mV
TLV431BQ
11
31
VREF
VKA
Iref
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
Reference terminal current
IK = 10 mA, R1 = 10 k
, R2 = open (see Figure 2)
0.1
0.5
μ
A
Iref deviation over full
temperature range (see Note 4)
IK = 10 mA, R1 = 10 k
, R2 = open
(see Note 3 and Figure 2)
TLV431BC
0.05
0.3
Iref(dev)
TLV431BI
0.1
0.4
μ
A
TLV431BQ
0.15
0.5
IK(min)
Minimum cathode current for
regulation
VKA = VREF (see Figure 1)
55
100
μ
A
IK(off)
Off-state cathode current
VREF = 0, VKA = 6 V (see Figure 3)
VKA = VREF, f
≤
1 kHz,
IK = 0.1 mA to 15 mA (see Figure 1)
0.001
0.1
μ
A
|zKA|
Dynamic impedance
(see Note 5)
0.25
0.4
NOTES:
3. Full temperature ranges are 40
°
C to 125
°
C for TLV431BQ, 40
°
C to 85
°
C for TLV431BI, and 0
°
C to 70
°
C for TLV431BC.
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,
α
VREF,
is defined as:
VREF(dev)
V
REF
(T
A
α
V
REF
ppm
°
C
25
°
C)
106
TA
where
TA is the rated operating free-air temperature range of the device.
α
VREF 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 zka
IK
VKA
When the device is operating with two external resistors (see Figure 2), the total dynamic impedance of the circuit is defined
as:
zka
I
R2
V
zka
1
R1
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TLV431IDBV 制造商:TI 制造商全稱(chēng):Texas Instruments 功能描述:LOW-VOLTAGE ADJUSTABLE PRECISION SHUNT REGULATORS
TLV431IDBVR 功能描述:基準(zhǔn)電壓& 基準(zhǔn)電流 Lw V Adj Shunt RoHS:否 制造商:STMicroelectronics 產(chǎn)品:Voltage References 拓?fù)浣Y(jié)構(gòu):Shunt References 參考類(lèi)型:Programmable 輸出電壓:1.24 V to 18 V 初始準(zhǔn)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
TLV431IDBVRE4 功能描述:基準(zhǔn)電壓& 基準(zhǔn)電流 Lo-Vtg Adj Precision Shunt Regulator RoHS:否 制造商:STMicroelectronics 產(chǎn)品:Voltage References 拓?fù)浣Y(jié)構(gòu):Shunt References 參考類(lèi)型:Programmable 輸出電壓:1.24 V to 18 V 初始準(zhǔn)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
TLV431IDBVRG4 功能描述:基準(zhǔn)電壓& 基準(zhǔn)電流 Lo-Vtg Adj Precision Shunt Regulator RoHS:否 制造商:STMicroelectronics 產(chǎn)品:Voltage References 拓?fù)浣Y(jié)構(gòu):Shunt References 參考類(lèi)型:Programmable 輸出電壓:1.24 V to 18 V 初始準(zhǔn)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
TLV431IDBVT 功能描述:基準(zhǔn)電壓& 基準(zhǔn)電流 Lo-Vtg Adj Precision Shunt Regulator RoHS:否 制造商:STMicroelectronics 產(chǎn)品:Voltage References 拓?fù)浣Y(jié)構(gòu):Shunt References 參考類(lèi)型:Programmable 輸出電壓:1.24 V to 18 V 初始準(zhǔn)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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