參數資料
型號： TLV431BSNT1
廠商： ON SEMICONDUCTOR
元件分類： 基準電壓源/電流源
英文描述： Low Voltage Precision Adjustable Shunt Regulator
中文描述： 1-OUTPUT TWO TERM VOLTAGE REFERENCE, 1.24 V, PDSO5
封裝： PLASTIC, TSOP-5
文件頁數： 6/34頁
文件大?。?/td> 646K
代理商： TLV431BSNT1
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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參數描述
TLV431BSNT1G 功能描述:基準電壓& 基準電流 1.24-16V ADJ 1-100mA 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（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
TLV431CDBV 功能描述:基準電壓& 基準電流 Lw V Adj Shunt 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（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
TLV431CDBV 制造商:Texas Instruments 功能描述:IC SM SHUNT REGULATOR ADJ +1.24/6V
TLV431CDBVR 功能描述:基準電壓& 基準電流 Lw V Adj Shunt 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（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
TLV431CDBVRE4 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（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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