參數(shù)資料
型號: TL431LP
廠商: CALOGIC LLC
元件分類: 基準電壓源/電流源
英文描述: Precision Adjustable shunt reference
中文描述: 1-OUTPUT THREE TERM VOLTAGE REFERENCE, 2.495 V, PBCY3
封裝: TO-92, 3 PIN
文件頁數(shù): 3/11頁
文件大小: 194K
代理商: TL431LP
AIC431/TL431A/TL431
3
n
TEST CIRCUITS
V
REF
I
REF
I
Z
V
Z
I
L
IN
AIC431
R2
R1
V
REF
I
REF
I
Z
V
Z
IN
I
L
AIC431
Note: V
Z
=V
REF
(1+R1/R2)+I
REF
xR1
Fig. 1 Test Circuit for V
Z
=V
REF
Fig. 2 Test circuit for V
Z
>V
REF
IN
V
Z
I
Z(OFF)
AIC431
Fig. 3 Test circuit for off-state Current
n
ELECTRICAL CHARACTERISTICS
(Ta=25
°
C, unless otherwise specified.)
PARAMETER
TEST CONDITIONS
V
Z
=V
REF
,
SYMBOL
MIN.
2.482
TYP.
2.495
MAX.
2.508
UNIT
AIC431
IL =10mA (Fig. 1)
TL431A
2.470
2.495
2.520
Reference Voltage
TL431
V
REF
2.455
2.495
2.535
V
Deviation of Reference
Input Voltage Over
Temperature
(Note 3)
V
Z
= V
REF
, I
L
=10mA,
Ta
= 0
°
C~ +85
°
C (Fig. 1)
V
DEV
9.0
20
mV
Ratio of the Change in Refer-
ence Voltage to
the Change in Cathode volt-
age
I
Z
=10mA
V
Z
=10V-V
REF
-0.5
-2.0
mV/V
(Fig. 2)
V
Z
=30V-10V
V
REF
V
Z
-0.35
-1.5
mV/V
Reference Input Current
R1
=10K
, R2=
,
I
L
=10mA (Fig. 2)
I
REF
0.8
3.5
μ
A
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