DC COMPONENTS CO., LTD.
R
INTEGRATED CIRCUIT
DM431
DM431A
DM431B
TECHNICAL SPECIFICATIONS OF ADJUSTABLE SHUNT REGULATOR
Features
*
*
*
*
*
*
Programmable output voltage
Temperature coefficient is 50ppm/
o
C typical
Temperature compensated for operation over
Full temperature range
Low output noise voltage
Fast turn on response
.066(1.70)
.059(1.50)
SOT-89
.063(1.60)
.055(1.40)
Pinning
1 = Reference
2 = Anode
3 = Cathode
.167(4.25)
.159(4.05)
1
.102(2.60)
.095(2.40)
2
3
Absolute Maximum Ratings
Characteristic
Cathode to Anode Voltage
(Operating temperature range applies, unless otherwise specified)
Symbol
V
KA
I
K
I
ref
P
D
T
opr
T
STG
Rating
37
-100 to +150
+0.05 to +10
770
0 to +70
-55 to +150
Unit
V
mA
mA
mW
o
o
.020(0.51)
.014(0.36)
.060(1.52)
.058(1.48)
.120(3.04)
.117(2.96)
.181(4.60)
.173(4.40)
.016(0.41)
.014(0.35)
Cathode Current Range(Continuous)
Reference Input Current Range
Power Dissipation
Operating Temperature Range
Storage Temperature Range
C
Dimensions in inches and (millimeters)
C
Electrical Characteristics
o
Characteristic
(Ratings at 25 C ambient temperature unless otherwise specified)
Symbol
DM431
DM431A
DM431B
V
ref
Min
2.440
2.470
2.480
Typ
2.495
2.495
2.495
4.0
-1.4
-1.0
2.0
0.4
0.4
0.1
0.2
Max
2.550
2.520
2.510
17
-2.7
-2.0
4.0
1.2
1.0
1.0
0.5
Unit
V
Test Conditions
V
KA
=V
REF
, I
K
=10mA
V
KA
=V
REF
, I
K
=10mA
T
min
T
A
T
max
I
K
=10mA,
∆V
KA
=10V-V
REF
I
K
=10mA,
∆V
KA
=36V-10V
I
K
=10mA, R
1
=10kΩ, R
2
=
I
K
=10mA, R
1
=10kΩ, R
2
=
T
min
T
A
T
max
V
KA
=V
REF
V
KA
=36V, V
REF
=0
V
KA
=V
REF
, f 1.0KHz
I
K
=1 to 100mA
Reference Input Voltage
Reference Input Voltage Deviation
Over Temperature Range
Ratio of Change in Reference Input Voltage
to Change in Cathode to Anode Voltage
Reference Input Current
Reference Input Current Deviation
Over Temperature Range
Minimum Cathode Current for Regulation
Off-State Cathode Current
Dynamic Impedance
∆V
ref
∆V
ref
/
∆V
KA
I
ref
∆I
ref
I
K(min)
I
K(off)
Z
KA
-
-
-
-
-
-
-
-
mV
mV/V
µA
µA
mA
µA
Ω
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