TL431 Datasheet, PDF (3/12 Pages) Motorola, Inc – PROGRAMMABLE PRECISION REFERENCES

PRODUCT DATABOOK 1996/1997
TL431/TL431A/TL431B
PRECISION PROGRAMMABLE REFERENCES
PRODUCTION DATA SHEET
E L E C T R I C A L C H A R A C T E R I S T I C S (Note 3)
(Unless otherwise specified, these specifications apply over the operating ambient temperatures for TL431C/TL431AC/TL431BC with 0°C ≤ T ≤ 70°C,
A
TL431I/TL431AI/TL431BI with -40°C ≤ T_A ≤ 85°C.)
Parameter
Symbol
Test Conditions
TL431/431A/431B _Units
Min. Typ. Max.
Reference Input Voltage
Reference Drift
Voltage Ratio, Ref to Cathode
(Note 4)
Reference Input Current
TL431
TL431A
TL431B
TL431C
TL431I
TL431AC
TL431AI
TL431BC
TL431BI
TL431, TL431A
TL431B
TL431,TL431A
TL431B
Minimum Operating Current
Off-State Cathode Current
TL431
TL431A
TL431B
Dynamic Impedance
TL431
TL431B
Note 3. These parameters are guaranteed by design.
V_REF
∆V_REF
∆V_KA
I_REF
I_MIN
I_OFF
| Z_KA |
I_K = 10mA, V_KA = V_REF, T_A = 25°C
I_K = 10mA, V_KA = V_REF, T_A = 25°C
I_K = 10mA, V_KA = V_REF, T_A = 25°C
I_K = 10mA, V_KA = V_REF
I_K = 10mA, V_KA = V_REF
I_K = 10mA, V_KA = V_REF
I_K = 10mA, V_KA = V_REF
I_K = 10mA, V_KA = V_REF
I_K = 10mA, V_KA = V_REF
I_K = 10mA, V_KA = 2.5V to 36V
I_K = 10mA, V_KA = 2.5V to 36V
V_KA = V_REF, T_A = 25°C
V_KA = V_REF, T_A = 25°C
V_KA = V_REF, T_A = Operating Range
V_KA = V_REF to 36V
V_KA = V_REF to 36V, T_A = 25°C
V_KA = V_REF to 36V, T_A = 25°C
V_KA = V_REF to 36V, T_A = Operating Range
V_KA = 36V, V_REF = 0V, T_A = 25°C
V_KA = V_REF, I_K = 1mA to 100mA, f ≤ 1kHz, T_A = 25°C
V_KA = V_REF, I_K = 1mA to 100mA, f ≤ 1kHz, T_A = 25°C
2440 2495 2550
2470 2495 2520
2490 2500 2510
4 17
5 30
4 17
5 30
4 15
5 20
-1.4 -2.7
-1.1 -2
24
1.5 1.9
2.3
0.4 1
0.1 1
0.1 1
2
0.18 0.5
0.2 0.5
0.1 0.2
mV
mV
mV
mV
mV
mV
mV
mV
mV
mV/V
mV/V
µA
µA
µA
mA
µA
µA
µA
µA
Ω
Ω
Note 4. ^∆VREF Ratio of change in reference input voltage
∆V_{KA to the change in cathode voltage.}
Copyright © 1999
Rev. 1.3 9/99
3