L431LM3B Niko Semiconductor Co., Ltd., L431LM3B Datasheet - Page 2
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L431LM3B
Manufacturer Part Number
L431LM3B
Description
1.24V Low-Voltage Adjustable Precision Shunt Regulator
Manufacturer
Niko Semiconductor Co., Ltd.
Datasheet
1.L431LM3B.pdf
(11 pages)
NIKO-SEM
ABSOLUTE MAXIMUM RATINGS
Cathode Voltage (V
Cathode Current (I
ELECTRICAL SPECIFICATIONS
(Ambient temperature must be derated base on power dissipation and package thermal characteristics. The conditions are: V
I
RECOMMENDED CONDITIONS
K
Cathode-Anode Reverse Breakdown Voltage - V
Anode-Cathode Forward Current - I
Operating Cathode Current - I
Reference Input Current - I
Storage Temperature Range - T
Junction Temperature - T
Lead Temperature (Soldering, 10 Seconds) - T
Continuous Power at 25 °C - P
TO-92
SOIC-8
SOT-23
Output Voltage - V
Line Regulation - ∆V
Load Regulation - ∆V
Temperature Deviation - ∆
Reference Input Current - I
Reference Input Current
Temperature Coefficient - ∆
Minimum Cathode Current
for Regulation - I
Off State Leakage - I
Dynamic impedance
= 10 mA unless otherwise stated)
Parameter
PARAMETER
K(MIN)
K
KA
REF
)
)
REF
K(MIN)
REF
V
J
REF
V
1.24V Low-Voltage Adjustable
REF
Rating
10 mA
REF
REF
I
REF
Precision Shunt Regulator
to 18V
KA
PARAMETER
D
STG
T
T
V
I
0 < T
0 < T
V
V
I
K
K
TEST CONDITIONS
A
A
KA
REF
KA
= 1 to 100 mA
= 0.1 mA to 100 mA
= 25 °C, L432 (0.5%) 1.234 1.240 1.246
= 25 °C, L432 (1%)
AK
= V
= V
J
J
= 0V, V
< 105 °C
< 105 °C
REF
ref
, f ≦ 1kHz
to 15V
2
Package
KA
SOT-23
SOIC-8
TO-92
L
TYPICAL THERMAL RESISTANCES
= 15V
KA
160 °C/W
175 °C/W
575 °C/W 150 °C/W
1.228 1.240 1.252
MIN
θ
JA
TYP MAX
0.14
0.25
3.9
2.3
0.2
28
40
5
80 °C/W
45 °C/W
θ
500
0.6
0.4
50
12
JC
6
6
1
UNITS
-65 to +150 °C
mV
mV
mV
mA
µA
µA
nA
Ω
Typ. De-rating
V
6.3 mW/°C
5.7 mW/°C
1.7 mW/°C
700 mW
650 mW
200 mW
100 mA
VALUE
150 °C
300 °C
KA
1 mA
APR-25-2002
20V
1 A
L431L
= V
CIRCUIT
TEST
REF
1
2
1
1
1
1
1
3
1
and