TS431 STMicroelectronics, TS431 Datasheet - Page 3

• Manufacturer Part Number: TS431
• Description: Low voltage adjustable shunt reference
• Manufacturer: STMicroelectronics

Specifications of TS431

• Low Voltage Operation: 1.24 to 6 V
• Wide Operating Range Cathode Current: 60 μA to 30 mA
• Low Output Impedance: 0.2 Ω
• Human Body Model: 2 kV
• Machine Model: 200 V

TS431
2
Table 3.
1. Limits are 100% production tested at 25°C. Behavior at the temperature range limits is guaranteed through correlation and
2. See definition below.
2.1
Symbol
ΔVref
--------------- -
ΔVka
ΔV
ΔI
R
by design.
V
I
I
I
min
ref
off
KA
ref
ref
ref
Output voltage
V
Output voltage change
I
Ratio of change in reference input
voltage to change in cathode to
anode voltage
Reference input current
Reference input current deviation
over temperature range
Minimum cathode current for
regulation
Off-state cathode current
Static impedance
k
KA
= 100μA, V
Electrical characteristics
T
Definition of output voltage change over temperature range
ΔV
the full temperature range.
Figure 1.
amb
= V
ref
ΔV
ref
is defined as the difference between the maximum and minimum values obtained over
= 25°C (unless otherwise specified)
@ I
ref
Parameter
KA
= V
k
= 100μA
Vref m ax.
= V
Output voltage change over temperature range
Vref m in .
ref max
ref
(1) (2)
- V
T1
ref min
TS431
TS431A
TS431B
-40 < T
-40 < T
-40 < T
I
V
I
I
V
V
V
k
k
k
Doc ID 5558 Rev 7
KA
=10mA, R
KA
KA
KA
0 < T
-40 < T
-40 < T
= 10mA
= 10mA
= 6V to V
= V
= 6V, V
= V
amb
amb
amb
amb
Test conditions
ref
ref
amb
amb
, I
< +70°C
< +85°C
< +105°C
< +125°C
1
ref
k
=10kΩ, R
< +85°C
< +125°C
= 0.1 to 15mA
ref
= 0
T 2
2
=∝
1.215
1.228
1.234
Min.
Electrical characteristics
T e m p e ra tu re
1.240
0.001
Typ.
1.8
0.2
70
70
90
40
1.265
1.252
1.246
Max.
160
160
240
2.7
0.1
0.4
16
18
21
60
9
mV/V
Unit
mV
nA
nA
μA
μA
Ω
V
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