TL431LL Datasheet, PDF (3/6 Pages) Unisonic Technologies – LOW CATHODE CURRENT ADJUSTABLE PRECISION SHUNT REGULATOR

TL431LL
Preliminary
LINEAR INTEGRATED CIRCUIT
 ABSOLUTE MAXIMUM RATING
PARAMETER
SYMBOL
RATINGS
UNIT
Cathode Voltage
V_KA
40
V
Cathode Current Range (Continuous)
I_KA
-100~150
mA
Reference Input Current Range
I_REF
10
mA
Power Dissipation
P_D
370
mW
Junction Temperature
T_J
150
°C
Storage Temperature
T_STG
-65~150
°C
Note: Absolute maximum ratings are those values beyond which the device could be permanently damaged.
Absolute maximum ratings are stress ratings only and functional device operation is not implied.
 RECOMMENDED OPERATING CONDITIONS
PARAMETER
Cathode Voltage
Cathode Current
Operating Ambient Temperature Range
 THERMAL DATA
SYMBOL
V_KA
I_KA
T_A
RATINGS
V_REF~36
0.05~100
-40~125
UNIT
V
mA
°C
PARAMETER
Junction to Case
SYMBOL
θ_JC
RATINGS
113
 ELECTRICAL CHARACTERISTICS (T_A=25°C, unless otherwise specified.)
UNIT
°С/W
PARAMETER
Reference Voltage
0.5%
1.0%
Test
Circuit
1
Deviation of Reference Voltage
Over Full Temperature Range
1
Ratio of Change in Reference
Voltage to the Change in Cathode 2
Voltage
Reference Current
2
Deviation of Reference Current
Over Full Temperature Range
2
Minimum Cathode Current for
Regulation
1
Off-state Cathode Current
3
Dynamic Impedance
1
SYMBOL TEST CONDITIONS
MIN
V_REF
∆V_REF
∆V_REF
∆V_KA
I_REF
∆I_REF
V_KA=V_REF, I_KA=10mA
V_KA=V_REF,
I_KA=10mA
0~70°C
-40~85°C
-40~125°C
2.487
2.475
∆V_KA=10V~V_REF
I_KA=10mA
∆V_KA=36V~10V
I_KA=10mA, R1=10kΩ,
R2=∞
I_KA=10mA, R1=10kΩ,
R2=∞, T_A=-40~125°C
I_KA (Min) V_KA=V_REF
I_KA (Off)
Z_KA
V_KA=36V, V_REF=0
V_KA=V_REF, I_KA=1~100mA,
f≤1.0kHz
TYP
2.500
2.500
4.5
4.5
4.5
-1.0
-0.5
0.035
0.03
10
0.05
0.5
MAX
2.512
2.525
8
10
16
-2.7
-2.0
0.5
0.3
50
1.0
UNIT
V
V
mV
mV
mV
mV/V
mV/V
µA
µA
µA
µA
Ω
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
3 of 6
QW-R103-072.a