LRC LR
.
SOT-23 1: Ref; 2: Cathode; 3: Anode
1/6
3
1
REFERENCE(R)
ANODE(A)
CATHODE(K)
SOT-23
2
LR431 LINEAR INTEGRATED CIRCUIT
LRC
LESHAN RADIO COMPANY,LTD.
LR431 LINEAR INTEGRATED CIRCUIT
A
LUTE A I U RATING
ARA ETER
L
ALUE UNIT
C
A
3
C
C
R
C
I
A
1
1
A
R
I
C
R
I
1
A
T
T
1
C
A
T
T
4
70
C
T
T
T
1
C
REC
ENDED
ERATING C NDITI N
ARA ETER
L
IN T
A UNIT
C
A
RE
3
C
C
I
A
1
1
A
ELECTRICAL C ARACTERI TIC
T
C
ARA ETER
L
TE T C NDITI N
IN
T
A UNIT
R
I
A
RE
I
A
1
A
0
D
I
1
T
A
RE
I
A
1
A
T
IN
T
A
T
A
4
1
R
C
R
I
C
C
A
I
A
1
A
A
1
RE
A
3
1
1
R
I
C
I
I
A
1
A R1 1
R
1 4
A
D
R
I
C
T
R
I
T
I
A
1
A R1 1
R
T
A
T
4 1
A
C
C
R
I
A
A
RE
4
1
A
C
C
I
A
A
3
RE
1
A
D
I
A
A
RE
I
A
1
1
A
1
1
N
T
IN
C T
A
C
2/6
2.450~2.550
2.487~2.512
0.5%
RA
2.475~2.525
LR431A
LR431B
Device
LR431CLT1
LR431BLT1
LR431ALT1
LR431C
2%
Rank
1%
SOT-23
RC
RB
Range(V)
0.5%
2%
1%
2.450~2.550
2.487~2.512
2.475~2.525
LR431A
LR431B
LR431C
Marking
Package
TO-92
TO-92
TO-92
SOT-23
SOT-23
CLASSIFICATION OF V
ref
AND PACKAGE
LRC
LESHAN RADIO COMPANY,LTD.
LR431 LINEAR INTEGRATED CIRCUIT
T
ICAL
ER
R ANCE C ARACTERI TIC
1
1
3
1
1
1
C
C
C
A
T
C
A
RE
1
1
3
4
C
C
C
A
C
C
C
T
C
A
RE
I
A
1
1
3
3
4
1
1
3
3
4
C
C
I
R
IN
3 C
R
I
C
I
A
1
A
T
C
1
3
4
1
3
4
T
I
4
R
T
C
1
1
1
1
1
1
1
1
1
1
4
1
3
I
D
I
T
C
I
A
A
1
A
1
1
3
4
1
1
1
1
4
1
3
A
A
T
C
I
A
1
A
Fig 1 Cathode Current Vs Cathode Voltage
LRC
LESHAN RADIO COMPANY,LTD.
3/6
LR431 LINEAR INTEGRATED CIRCUIT
TE T CIRCUIT
IN UT
A
RE
I
A
LR431
R1
R
I
RE
A
RE
1 R1 R
I
RE
R1
IN UT
A
RE
I
A
LR431
IN UT
A
I
A
LR431
7 T
C
A
RE
8 T
C
A
RE
9 T
C
I
A
A
LICATI N CIRCUIT
RE
LR431
R1
R
1 R1 R
RE
RE
LR431
R1
R
1 R1 R
RE
LR
UT
IN
C
N
RE
LR431
R1
R
1 R1 R
RE
1
R
11
C
T
1
R
T
R
LR431
R
R
RE
RCL
RCL
I
LR431
R
I
I
RE
R
13 C
14 C
L
C
LRC
LESHAN RADIO COMPANY,LTD.
4/6
LRC
LESHAN RADIO COMPANY,LTD.
D
b
E
A
A1
C
L
D1
e
e1
TO-92 PACKAGE OUTLINE DIMENSIONS
Symbol
A
A1
b
c
D
D1
E
e
e1
Min
3.300
1.100
0.380
0.360
4.400
3.430
4.300
2.440
14.100
0.000
Max
3.700
1.400
0.550
0.510
4.700
4.700
2.640
14.500
1.600
0.380
Min
0.130
0.043
0.015
0.014
0.173
0.135
0.169
0.096
0.555
0.000
Max
0.146
0.055
0.022
0.020
0.185
0.185
0.104
0.571
0.063
0.015
Dimensions In Millimeters
Dimensions In Inches
0.050TYP
1.270TYP
5/6
LRC
LESHAN RADIO COMPANY,LTD.
6/6
SOT-23 PACKAGE OUTLINE DIMENSIONS
Symbol
A
A1
A2
b
c
D
E
E1
e
e1
L
L1
Min
0.900
0.000
0.900
0.300
0.080
2.800
1.200
2.250
1.800
0.300
0
Max
1.100
0.100
1.000
0.500
0.150
3.100
1.610
2.550
2.000
0.500
8
Min
0.035
0.000
0.035
0.012
0.003
0.110
0.047
0.089
0.071
0.012
0
Max
0.043
0.004
0.039
0.020
0.006
0.118
0.055
0.100
0.079
0.020
8
Dimensions In Millimeters
Dimensions In Inches
0.037TPY
0.022REF
0.950TPY
0.550REF
D
E1
A1
A2
A
E
L1
L
b
e1
C
0.2
e
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