TL431A Datasheet, PDF (3/5 Pages) Unisonic Technologies – PROGRAMMABLE PRECISION REFERENCE

UTC TL431A LINEAR INTEGRATED CIRCUIT
TYPICAL PERFORMANCE CHARACTERISTICS
Fig 1 Cathode Current Vs Cathode Voltage
125
Ta=25℃
VKA=VREF
100
75
50
25
0
-25
-50
-75
-100
-2
-1
0
1
2
3
Cathode Voltage (V)
Fig 3 Change in Reference Input Voltage
Vs Cathode voltage
0
-5
IKA=100mA
-10
Ta=25℃
-15
-20
-25
-30
-35
-40
0
5
10 15 20 25 30 35 40
Cathode Voltage (V)
Fig 5 Dynamic Impedance
Vs Frequency
10 ²
Ta=25℃
IKA=0mA to 100mA
10 ¹
10 ⁰
10^-1
10 ³
10 ⁴
10 ⁵
10 ⁶
10 ⁷
Frequency (Hz)
Fig 2 Cathode Current Vs Cathode Voltage
800
Ta=25℃
VKA=VREF
600
400
IKA(min)
200
0
-200
-2
-1
0
1
2
3
Cathode Voltage (V)
Fig 4 Pulse Response
7
Ta=25℃
6
5
4
3
2
1
0
0
12
3
4
5
6
7
Time (µ s)
Fig 6 Small Signal Voltage Amplification Vs Frequency
70
60
Ta=25℃
IKA=10mA
50
40
30
20
10
0
-10
10 ³
10 ⁴
10 ⁵
10 ⁶
10 ⁷
Frequency (Hz)
UTC UNISONIC TECHNOLOGIES CO., LTD.
3
QW-R103-007,D