DC COMPONENTS CO., LTD.
R
DN431
INTEGRATED CIRCUIT
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
SOT-23
.020(0.50)
.012(0.30)
Pinning
1 = Reference
2 = Cathode
3 = Anode
1
3
.063(1.60)
.055(1.40)
.108(0.65)
.089(0.25)
2
Absolute Maximum Ratings
Characteristic
Cathode to Anode Voltage
.091(2.30)
.067(1.70)
.045(1.15)
.034(0.85)
(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
225
0 to +70
-55 to +150
Unit
V
mA
mA
mW
o
o
.026(0.65)
.010(0.25)
.004
Max
(0.10)
.027(0.67)
.013(0.32)
.118(3.00)
.110(2.80)
.051(1.30)
.035(0.90)
.0043(0.11)
.0035(0.09)
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
Reference Input Voltage
Reference Input Voltage Deviation
Over Temperature Range
(Ratings at 25 C ambient temperature unless otherwise specified)
Symbol
V
ref
∆V
ref
∆V
ref
/
∆V
KA
I
ref
∆I
ref
I
K(min)
I
K(off)
Z
KA
Min
2.445
-
-
-
-
-
-
-
-
Typ
2.495
4.0
-1.4
-1.0
2.0
0.4
0.4
0.1
0.2
Max
2.545
17
-2.7
-2.0
4.0
1.2
1.0
1.0
0.5
Unit
V
mV
mV/V
µA
µA
mA
µA
Ω
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
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
Microcontroller MCU
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