English
Language : 

TL431L_05 Datasheet, PDF (3/5 Pages) Unisonic Technologies – PROGRAMMABLE PRECISION REFERENCE
TL431L
LINEAR INTEGRATED CIRCUIT
„ ABSOLUTE MAXIMUM RATINGS (Operating temperature range applies unless otherwise specified)
PARAMETER
SYMBOL
RATINGS
UNIT
Cathode Voltage
VKA
20
V
Cathode Current Range (Continuous)
IKA
-100 ~ +150
mA
Reference Input Current Range
Operating Junction Temperature
Operating Ambient Temperature
Storage Temperature
IREF
-0.05 ~ +10
mA
TJ
150
°C
TOPR
0 ~ +70
°C
TSTG
-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
SYMBOL
MIN
TYP
MAX
Cathode Voltage
VKA
VREF
20
Cathode Current
IKA
1
100
„ ELECTRICAL CHARACTERISTICS (Ta=25°C, unless otherwise specified)
UNIT
V
mA
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
Reference Input Voltage
VREF
VKA=VREF, IKA=10mA
2.450
Deviation of Reference Input Voltage
Over temperature (note 1)
ΔVREF/ΔT
VKA=VREF, IKA=10mA
0≤TA≤70
Ratio of Change in Reference Input
Voltage to the Change in Cathode
Voltage
ΔVREF /ΔVKA IKA=10mA
ΔVKA=10V~VREF
ΔVKA=20V~10V
Reference Input Current
Deviation of Reference Input Current
Over Full Temperature Range
IREF
ΔIREF/ΔT
IKA=10mA, R1=10kΩ, R2=∞
IKA=10mA, R1=10kΩ, R2=∞
TA=full Temperature
Minimum Cathode Current for Regulation IKA(MIN) VKA=VREF
Off-State Cathode Current
IKA(OFF) VKA=20V, VREF=0
Dynamic Impedance
ZKA
VKA=VREF, IKA=1 ~ 100mA
f≤1.0kHz
Remark: Reference voltage of ±1% tolerance is also available per customer’s request.
TYP
2.50
4.5
-1.0
-0.5
1.5
0.4
0.45
0.05
0.15
MAX UNIT
2.550 V
17 mV
-2.7
-2.0
mV/V
4 μA
1.2 μA
1.0 mA
1.0 μA
0.5 Ω
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
3 of 5
QW-R103-014,E