NJM431 datasheet(2/4 Pages) NJRC

2 / 4 page

NJM431

- 2 -

Ver.2003-07-18

■ BLOCK DIAGRAM

■ ABSOLUTE MAXIMUM RATINGS

(Ta=25°C)

PARAMETER

SYMBOL

RATINGS

UNIT

Cathode Voltage (note)

VKA

Continuous Cathode Current

IKA

-100 to 150

Reference Input Current

IREF

-0.05 to 10

Power Dissipation

(DIP8)

700

(DMP8) 300

(TO92)

500

(SOT89) 350

Operating Temperature

Topr

-40 to +85

ºC

Storage Temperature Range

Tstg

-40 to +125

ºC

(note) Unless specified, all voltage value are with respect to the anode terminal.

■ RECOMMENDED OPERATING CONDITIONS

PARAMETER

SYMBOL

MIN.

TYP.

MAX.

UNIT

Cathode Voltage

VKA

VREF

Cathode Current

100

■ ELECTRICAL CHARACTERISTICS (Ta=25ºC)

PARAMETER

SYMBOL

TEST CONDITION

MIN.

TYP.

MAX.

UNIT

Reference Voltage

VREF

VKA = VREF, IK = 10mA (note 1)

2440

2495

2550

Reference Voltage Change

(Full Oper. Temp. Range)

VREF

(dev)

VKA = VREF, IK = 10mA (note 1)

Ta = -20ºC to +85 ºC

∆VKA= 10V - VREF

-1.4

-2.7

mV/V

Reference Voltage Change

vs. Cathode Voltage Change

∆VREF

∆VKA

IK= 10mA (note 2)

∆VKA= 36V - 10V

-1

-2

mV/V

Reference Input Current

IREF

IK= 10mA, R1 = 10kΩ, R2 = ∞ (note 2)

µA

Reference Input Current Change

(Full Oper. Temp. Range)

IREF

(dev)

IK= 10mA, R1 = 10kΩ, R2 = ∞ (note 2)

Ta = -20ºC to +85 ºC

0..4

1.2

µA

Minimum Input Current

IMIN

VKA = VREF (note 1)

0.4

1.0

Cathode Current (Off Cond.)

IOFF

VKA = 36V, VREF = 0 (note 3)

0.1

1.0

µA

Dynamic Impedance

|ZKA|

VKA = VREF, IK= 1mA to 100mA,

f ≤ 1kHz (note 1)

0.2

0.5

Ω

(note 1) TEST CIRCUIT (Fig. 1)

(note 2) TEST CIRCUIT (Fig. 2)

(note 3) TEST CIRCUIT (Fig. 3)

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