參數(shù)資料
型號： TLV431AIDBV
廠商： 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
文件頁數(shù)： 6/34頁
文件大?。?/td> 646K
代理商： TLV431AIDBV
SLVS139R JULY 1996 REVISED SEPTEMBER 2005
6
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
TLV431 electrical characteristics at 25
°
C free-air temperature (unless otherwise noted)
PARAMETER
TEST CONDITIONS
TLV431
TYP
1.24
UNIT
MIN
1.222
MAX
1.258
TA = 25
°
C
VREF
Reference voltage
VKA = VREF,
IK = 10 mA
TA = full range
Figure 1)
TLV431C
1.21
1.27
V
TLV431I
1.202
1.278
(see Note 4 and
TLV431Q
1.194
1.286
VREF deviation over full
temperature range (see Note 4)
VKA = VREF, IK = 10 mA
(see Note 4 and Figure 1)
TLV431C
4
12
VREF(dev)
TLV431I
6
20
mV
TLV431Q
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)
0.15
0.5
μ
A
TLV431C
TLV431I
0.05
0.1
0.3
0.4
Iref deviation over full
temperature range (see Note 4)
IK = 10 mA, R1 = 10 k
, R2 = open
(see Note 4 and Figure 2)
Iref(dev)
μ
A
TLV431Q
0.15
0.5
IK(min)
Minimum cathode current for
regulation
VKA = VREF (see Figure 1)
TLV431C/I
55
80
TLV431Q
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:
4. Full temperature ranges are 40
°
C to 125
°
C for TLV431Q, 40
°
C to 85
°
C for TLV431I, and 0
°
C to 70
°
C for TLV431C.
5. 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.
VKA
IK
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
6. The dynamic impedance is defined as zka
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
TLV431AIDBVR 功能描述:基準電壓& 基準電流 Lw V Adj Shunt 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
TLV431AIDBVR 制造商:Texas Instruments 功能描述:Voltage Regulator IC Leaded Process Comp
TLV431AIDBVRE4 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(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
TLV431AIDBVRG4 功能描述:基準電壓& 基準電流 Lo Vltg Adj Prec Shunt Reg 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
TLV431AIDBVT 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(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
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