TL431 Datasheet, PDF (3/8 Pages) Motorola, Inc – PROGRAMMABLE PRECISION REFERENCES

PROGRAMMABLE PRECISION REFERENCES
TL431
TL431-0.5%ELECTRICAL CHARACTERISTIC (T_A=25℃, unless otherwise specified)
CHARACTERISTIC
Reference Input Voltage
Deviation of Reference
Input Voltage Over
Full Temperature Range
Ratio of Change in
Reference Input Voltage
to the Change in Cathod
Voltage
Reference Input Current
Deviation of Reference
Input Current Over Full
Temperature Range
Minimum Cathode
Current for Regulation
Off-State Cathode
Current
Dynamic Impedance
SYMBOL CIR-CUIT
V_REF
1
ΔV_REF/ΔT
1
TEST CONDITION
V_KA=V_REF, I_K=10㎃
V_KA=V_REF, I_K=10㎃
T_A=Full Range
MIN. TYP. MAX. UNIT
2.48 2 V 2 .495V 2.507V
3
17
㎷
ΔV_REF/ΔV_KA
2
I_REF
2
ΔI_REF/ΔT
2
I_KAMIN
1
I_KAOFF
3
Z_KA
1
I_K=10㎃
ΔV_KA=10V-V_REF
ΔV_KA=36V-10V
I_KA=10㎃, R1=10㏀, R2=∞
I_K=10㎃, R1=10㏀, R2=∞
T_A=Full Range
ΔV_KA=V_REF
V_KA=36V, V_REF=0
V_KA=V_REF, I_K=1㎃~100㎃,
f≤1㎑
-1.4
-1
1.8
-2.7
-2
4
㎷/V
㎂
0.4 1.2 ㎂
0.5
1
㎃
0.2
1
㎂
0.2 0.5
Ω
TL431-1%ELECTRICAL CHARACTERISTIC (T_A=25℃, unless otherwise specified)
CHARACTERISTIC
Reference Input Voltage
Deviation of Reference
Input Voltage Over
Full Temperature Range
Ratio of Change in
Reference Input Voltage
to the Change in Cathod
Voltage
Reference Input Current
Deviation of Reference
Input Current Over Full
Temperature Range
Minimum Cathode
Current for Regulation
Off-State Cathode
Current
Dynamic Impedance
SYMBOL CIR-CUIT
V_REF
1
ΔV_REF/ΔT
1
TEST CONDITION
V_KA=V_REF, I_K=10㎃
V_KA=V_REF, I_K=10㎃
T_A=Full Range
MIN. TYP. MAX. UNIT
2.47V 2 .495V 2.52V
3
17
㎷
ΔV_{REI F}/ΔV_KA
2
I_REF
2
ΔI_REF/ΔT
2
I_KAMIN
1
I_KAOFF
3
Z_KA
1
I_K=10㎃
ΔV_KA=10V-V_REF
ΔV_KA=36V-10V
I_KA=10㎃, R1=10㏀, R2=∞
I_K=10㎃, R1=10㏀, R2=∞
T_A=Full Range
ΔV_KA=V_REF
V_KA=36V, V_REF=0
V_KA=V_REF, I_K=1㎃~100㎃,
f≤1㎑
-1.4
-1
1.8
-2.7
-2
4
㎷/V
㎂
0.4 1.2 ㎂
0.5
1
㎃
0.2
1
㎂
0.2 0.5
Ω
JinYu
semiconductor
www.htsemi.com