L5431 データシートの表示（PDF） - SANYO -> Panasonic

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L5431

High-Precision Variable Shunt Voltage Regulator

SANYO -> Panasonic 

L5431

Electrical Characteristics at Ta = 25˚C

Parameter

Reference Voltage

Reference Voltage Change with Temperature

(Note1)

Vref Change Ratio to VKA

Reference Voltage Pin Input Current Change

with Temperature (Note1)

Minimum Cathode Current

OFF-Stage Cathode Current

Dynamic Resistance (Note2)

Symbol

Conditions

Vref

VKA=Vref, IK=10mA : Fig.1

∆Vref (Ta) VKA=Vref, IK=10mA, Ta=0 to +70°C : Fig.1

∆Vref

∆VKA

∆Iref (Ta)

IK=10mA, ∆VKA=10V to Vref : Fig.2

IK=10mA, ∆VKA=36V to 10V : Fig.2

IKA=10mA, R1=10kΩ, R2=∞, Ta=0 to +70°C : Fig.2

IKMIN

IKoff

|ZKA|

VKA=Vref, regulation availabe : Fig1

VKA=36V, Vref=0 : Fig.3

VKA=Vref, f≤1kHz, IK=1 to 100mA : Fig.1

Ratings

Unit

min

typ

max

2440 2495 2550 mV

8

17 mV

–1.4 –2.7 mV/V

–1.0 –2.0 mV/V

2

4 µA

0.4

1 mA

0.1

1 µA

0.15

0.5 Ω

Equivalent Circuit Diagram

Input Voltage

Input Voltage

Input Voltage

Note1 : ∆Vref (Ta) is defined by using Vref max and Vref min as follows :

∆Vref (Ta)=Vref max – Vref min

Note2 : The dynamic resistance is defined as follows :

|

∆ZKA|

=

∆VKA

∆IK

No.2173–2/3

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