L431VB Niko Semiconductor Co., Ltd., L431VB Datasheet - Page 3

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L431VB

Manufacturer Part Number
L431VB
Description
2.5 V Low-Voltage Adjustable Precision Shunt Regulator
Manufacturer
Niko Semiconductor Co., Ltd.
Datasheet
NIKO-SEM
TEST CIRCUITS
The areas under the curves represent conditions that may
cause the device to oscillate. For curves B, C and D, R
V
conditions with C
to determine the ranges of stability.
BATT
Stability Boundary Condition For Shunt Regulation
VS. Cathode Current and Load Capacitance
were adjusted to establish the initial V
V
0
IN
I
REF
- TEST CIRCUIT 1 -
1
L
= 0. V
(V
2
KA
=
BATT
V
REF
3
and C
)
I
K
2.5V Low-Voltage Adjustable
4
L
Precision Shunt Regulator
V
then were adjusted
KA
5
V
KA
IN
and I
6
V
REF
- TEST CIRCUIT 2 -
R1
R2
KA
3
(V
1
and
I
KA
REF
>
V
REF
)
I
K
Test Circuit for Vka > Vref
VBATT
V
Test Circuit for Vka = Vref
KA
150
V
IN
150
(OFF STATE CURRENT)
- TEST CIRCUIT 3 -
L431
Ik
L431
Ik
R1
R2
10K
JUL-22-2002
I
K (OFF)
L431
V
KA
CL
CL

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