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參數資料
| 型號： | ZTLV431_07 |
| 廠商： | Zetex Semiconductor |
| 英文描述： | 1.24V Cost effective shunt regulator |
| 中文描述： | 兩種器件的成本效益并聯穩(wěn)壓器 |
| 文件頁數： | 3/8頁 |
| 文件大?。?/td> | 227K |
| 代理商： | ZTLV431_07 |
ZTLV431
Issue 4 - April 2007
Zetex Semiconductors plc 2007
3
www.zetex.com
Electrical characteristics (electrical characteristics over recommended operating
conditions, T
A
= 25°C, K
KA
= V
REF
, I
KA
= 10mA unless otherwise stated)
Symbol
Parameter
Conditions
Deviation of reference input voltage, V
DEV
, is defined as the maximum variation of the reference
input voltage over the full temperature range.
The average temperature coefficient of the reference input voltage, V
REF
is defined as:
°
C
V
REF
T
1
The dynamic output impedance, Z
K
A, is defined as:
Z
KA
Δ
I
K
When the device is programmed with two externalresistors, R1
and R2, (fig 2) , the dynamic output impedance of the overall
circuit, Z’, is defined as:
1
R
2
Min.
1.228
1.234
1.215
1.224
1.209
1.221
Typ.
1.24
1.24
Max. Units
1.252
1.246
1.265
1.259
1.271
1.265
12
20
31
-2.7
-2.7
V
REF
Reference voltage
ZTLV431A
ZTLV431B
V
T
A
= -40 to 85°CZTLV431A
ZTLV431B
T
A
= -40 to 125°C
ZTLV431A
ZTLV431B
V
REF(dev)
Deviation of reference
voltage over full
temperature range
T
A
= 0 to 70°C
T
A
= -40 to 85°C
T
A
= -40 to 125°C
4
6
mV
11
-1.5
-1.5
Ratio of change in
reference voltage
to
the change in cathode
voltage
Reference input current
V
KA
from V
REF
to
I
KA
= 10mA
6V
10V
mV/V
I
REF
I
KA
= 10mA, R
1
= 10k ., R
2
= OC
0.1
0.05
0.1
0.15
55
0.5
0.3
0.4
0.5
100
μA
I
REF(dev)
I
REF
deviation over full
temperature range
I
KA
= 10mA,
R
1
= 10k ,
R
2
= OC
T
A
= 0 to 70°C
T
A
= -40 to 85°C
T
A
= -40 to 125°C
T
A
= -40 to 125°C
μA
I
KMIN
Minimum cathode
current for regulation
Off-state current
Dynamic output
impedance
V
KA
= V
REF
μA
I
K(OFF)
z
KA
V
KA
= 10V, V
REF
=0V
V
KA
= V
REF
, f = <1kHz,
I
K
= 0.1 to 15mA
10
0.25
30
0.4
μA
Δ
V
V
KA
----------------
V
max
V
min
T1
T2
V
dev
= V
max
- V
min
Temperature
V
REF
-------------
DEV
x
1000000
(
T
2
–
)
V
=
K
----------
=
Z
′
Z
KA
x
1
R
+
(
)
=
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| ZTLV431AFFTA | 1.24V Cost effective shunt regulator |
| ZTLV431AFTA | 1.24V Cost effective shunt regulator |
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相關代理商/技術參數 |
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|---|---|
| ZTLV431AE5TA | 制造商:ZETEX 制造商全稱:ZETEX 功能描述:1.24V Cost effective shunt regulator |
| ZTLV431AFFTA | 制造商:ZETEX 制造商全稱:ZETEX 功能描述:1.24V Cost effective shunt regulator |
| ZTLV431AFTA | 功能描述:基準電壓& 基準電流 0.5% COST EFFECTIVE 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 VREF - 輸入電壓（最大值）: 串聯 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 |
| ZTLV431BE5TA | 制造商:ZETEX 制造商全稱:ZETEX 功能描述:1.24V Cost effective shunt regulator |
| ZTLV431BFFTA | 制造商:ZETEX 制造商全稱:ZETEX 功能描述:1.24V Cost effective shunt regulator |
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