NJM431
■ BLOCK DIAGRAM
■ ABSOLUTE MAXIMUM RATINGS
PARAMETER
Cathode Voltage (note)
Continuous Cathode Current
Reference Input Current
SYMBOL
VKA
IK
IREF
Power Dissipation
PD
Operating Temperature
Topr
Storage Temperature Range
Tstg
(note) Unless specified, all voltage value are with respect to the anode terminal.
RATINGS
37
-100 to 150
-0.05 to 10
(DIP8)
700
(DMP8)
300
(SOT89) 350
-40 to +85
-40 to +125
(Ta=25°C)
UNIT
V
mA
mA
mW
mW
mW
ºC
ºC
■ RECOMMENDED OPERATING CONDITIONS
PARAMETER
SYMBOL MIN. TYP.
Cathode Voltage
Cathode Current
VKA
VREF
-
IK
1
-
MAX.
36
100
UNIT
V
mA
■ ELECTRICAL CHARACTERISTICS (Ta=25C)
PARAMETER
SYMBOL
TEST CONDITION
Reference Voltage
Reference Voltage Change
(Full Oper. Temp. Range)
VREF
VREF
(dev)
VKA = VREF, IK = 10mA (note 1)
VKA = VREF, IK = 10mA (note 1)
Ta = -20ºC to +85 ºC
Reference Voltage Change
vs. Cathode Voltage Change
Reference Input Current
Reference Input Current Change
(Full Oper. Temp. Range)
∆VREF
∆VKA
IREF
IREF
(dev)
IK = 10mA (note 2)
∆VKA = 10V - VREF
∆VKA = 36V - 10V
IK = 10mA, R1 = 10kΩ, R2 = ∞ (note 2)
IK = 10mA, R1 = 10kΩ, R2 = ∞ (note 2)
Ta = -20ºC to +85 ºC
Minimum Input Current
Cathode Current (Off Cond.)
Dynamic Impedance
IMIN
IOFF
|ZKA|
VKA = VREF (note 1)
VKA = 36V, VREF = 0 (note 3)
VKA = VREF, IK = 1mA to 100mA,
f ≤ 1kHz (note 1)
(note 1) TEST CIRCUIT (Fig. 1)
(note 2) TEST CIRCUIT (Fig. 2)
(note 3) TEST CIRCUIT (Fig. 3)
MIN.
2440
-
-
-
-
-
-
-
-
TYP.
2495
8
-1.4
-1
2
0..4
0.4
0.1
0.2
MAX.
2550
17
-2.7
-2
4
1.2
1.0
1.0
0.5
UNIT
mV
mV
mV/V
mV/V
µA
µA
mA
µA
Ω
-2-
Ver.2012-06-15
