TL431, A, B Series, NCV431A, B
ELECTRICAL CHARACTERISTICS (T = 25°C, unless otherwise noted.)
A
TL431I
Typ
TL431C
Typ
Min
Max
Min
Max
Characteristic
Symbol
Unit
Reference Input Voltage (Figure 1)
V
ref
V
V
= V , I = 10 mA
KA
ref K
T = 25°C
2.44
2.41
2.495
−
2.55
2.58
2.44
2.495
−
2.55
A
T = T
A
to T
(Note 1)
high
low
2.423
2.567
Reference Input Voltage Deviation Over
Temperature Range (Figure 1, Notes 1, 2)
= V = 10 mA
DV
−
7.0
30
−
3.0
17
mV
ref
V
I
K
KA
ref,
Ratio of Change in Reference Input Voltage to Change
in Cathode to Anode Voltage
mV/V
DV
ref
DV
I
= 10 mA (Figure 2),
KA
K
DV = 10 V to V
−
−
−1.4
−1.0
−2.7
−2.0
−
−
−1.4
−1.0
−2.7
−2.0
KA
ref
DV = 36 V to 10 V
KA
Reference Input Current (Figure 2)
I
mA
mA
ref
I
= 10 mA, R1 = 10 k, R2 = ∞
K
T = 25°C
−
−
1.8
−
4.0
6.5
−
−
1.8
−
4.0
5.2
A
T = T
A
to T
(Note 1)
high
low
Reference Input Current Deviation Over
Temperature Range (Figure 2, Note 1, 4)
DI
−
0.8
2.5
−
0.4
1.2
ref
I
= 10 mA, R1 = 10 k, R2 = ∞
K
Minimum Cathode Current For Regulation
= V (Figure 1)
I
−
−
−
0.5
20
1.0
1000
0.5
−
−
−
0.5
20
1.0
1000
0.5
mA
nA
W
min
V
KA
ref
Off−State Cathode Current (Figure 3)
= 36 V, V = 0 V
I
off
V
KA
ref
Dynamic Impedance (Figure 1, Note 3)
|Z
|
0.22
0.22
KA
V
= V , DI = 1.0 mA to 100 mA
f ≤ 1.0 kHz
KA
ref K
1. T
T
=
=
−40°C for TL431AIP TL431AILP, TL431IP, TL431ILP, TL431BID, TL431BIP, TL431BILP, TL431AIDM, TL431IDM, TL431BIDM;
0°C for TL431ACP, TL431ACLP, TL431CP, TL431CLP, TL431CD, TL431ACD, TL431BCD, TL431BCP, TL431BCLP, TL431CDM,
TL431ACDM, TL431BCDM
+85°C for TL431AIP, TL431AILP, TL431IP, TL431ILP, TL431BID, TL431BIP, TL431BILP, TL431IDM, TL431AIDM, TL431BIDM
+70°C for TL431ACP, TL431ACLP, TL431CP, TL431ACD, TL431BCD, TL431BCP, TL431BCLP, TL431CDM, TL431ACDM,
TL431BCDM
low
=
=
high
2. The deviation parameter DV is defined as the difference between the maximum and minimum values obtained over the full operating
ref
ambient temperature range that applies.
V
max
min
ref
DV = V max
ref
ref
−V min
ref
DT = T − T
A
2
1
V
ref
T1
T2
Ambient Temperature
D V
ref
6
X 10
ǒ
Ǔ
V
@ 25_C
6
D V x 10
ref
ref
ppm
V
+
+
The average temperature coefficient of the reference input voltage, aV is defined as:
ref
ref
_C
D T
D T (V @ 25_C)
A
A
ref
aV can be positive or negative depending on whether V Min or V Max occurs at the lower ambient temperature. (Refer to Figure 6.)
ref
ref
ref
Example : DV + 8.0 mV and slope is positive,
ref
6
0.008 x 10
V
@ 25_C + 2.495 V, DT + 70_C
a V
+
+ 45.8 ppmń_C
ref
A
ref
70 (2.495)
D V
KA
3. The dynamic impedance Z is defined as: |Z | +
. When the device is programmed with two external resistors, R1 and R2,
KA
KA
D I
K
R1
KA| ǒ1 )
Ǔ
|Z Ȁ| [ |Z
(refer to Figure 2) the total dynamic impedance of the circuit is defined as:
KA
R2
http://onsemi.com
3
5秒后页面跳转
电子元器件中的网络滤波器、EMI滤波器与EMC滤波器：分类关系与功能详解
NTC热敏电阻与PTC热敏电阻的应用原理及应用范围
GTO与普通晶闸管相比为什么可以自关断？为什么普通晶闸管不能呢？从GTO原理、应用范围带你了解原因及推荐型号
LF353数据手册解读：特性、应用、封装、引脚说明、电气参数及替换型号推荐
微信公众号
抖音公众号
浙公网安备 33010502006866号 浙ICP备10014259号-119
营业执照ICP证
数据手册
如果您发现信息不准确，
