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G
M
1
4
3
1
5
ELECTRICAL CHARACTERISTICS (T = 25°C unless otherwise noted)
A
GM1431A (0.5%)
PARAMETER
CONDITION
MIN
TYP
MAX
UNIT
Reference Input Voltage
Vref
(1)
V
= V
, I = 10 mA, T = 25°C
KA
ref
K
A
2.487
2.500
2.512
V
(1)
V
=V
,I =10 mA,T = 0 to 70°C
KA
ref K
A
V
temp deviation
ref
Vdev
(1)
V
= V
, I = 10 mA , T = full range
KA
ref
K
A
4
17
mV
Ratio of change in Vref
to change in VKA
I = 10mA
K
-1.0
-0.4
mV/V
Reference input current
Iref
(2)
I = 10mA, R1 = 10KW, R2 =
K
1.3
4.0
mA
Iref(dev)
(2)
I = 10mA, R1 = 10KW, R2 =
K
T = full range
A
0.4
1.2
mA
Minimum operating
current
IK(min)
(1)
V= V
KA
ref
1.0
mA
Off-state cathode
current
IK(off)
(3)
V
= 36V, V
= 0V
KA
ref
0.1
1
(3)
V
= 16V, V
= 0V
KA
ref
Dynamic impedance
| Z
|
KA
(1)
f 1kHz,V
=V
, I =100mA to 100mA
KA
ref
K
0.2
0.50
W
DVref
DVKA
mA
GM1431B (1.0%)
NOTES:
(1) See test circuit 1 on page 5.
(2) See test circuit 2 on page 5.
(3) See test circuit 3 on page 5.
DV
= 10V to V
KA
ref
DV
= 36V to 10V
KA
-2.7
-2.0
0.4
PARAMETER
CONDITION
MIN
TYP
MAX
UNIT
Reference Input Voltage
Vref
(1)
V
= V
, I = 10 mA, T = 25°C
KA
ref
K
A
2.474
2.500
2.525
V
(1)
V
=V
,I =10 mA,T = 0 to 70°C
KA
ref K
A
V
temp deviation
ref
Vdev
(1)
V
= V
, I = 10 mA , T = full range
KA
ref
K
A
4
17
mV
Ratio of change in Vref
to change in VKA
I = 10mA
K
-1.0
-0.4
mV/V
Reference input current
Iref
(2)
I = 10mA, R1 = 10KW, R2 =
K
1.3
4.0
mA
Iref(dev)
(2)
I = 10mA, R1 = 10KW, R2 =
K
T = full range
A
0.4
1.2
mA
Minimum operating
current
IK(min)
(1)
V= V
KA
ref
1.0
mA
Off-state cathode
current
IK(off)
(3)
V
= 36V, V
= 0V
KA
ref
0.1
1
(3)
V
= 16V, V
= 0V
KA
ref
Dynamic impedance
| Z
|
KA
(1)
f 1kHz,V
=V
, I =100mA to 100mA
KA
ref
K
0.2
0.50
W
DVref
DVKA
mA
DV
= 10V to V
KA
ref
DV
= 36V to 10V
KA
-2.7
-2.0
0.4
A
MICROELECTRONICS
GM1431
ADJUSTABLE SHUNT REGULATOR
Deviation of reference
input current over full
temperature range
Deviation of reference
input current over full
temperature range
Power Management