TL431ACCT(2017) 데이터 시트보기 (PDF) - STMicroelectronics

부품명

상세내역

제조사

TL431ACCT
(Rev.:2017)

Automotive adjustable voltage reference

STMicroelectronics 

Electrical characteristics

TL431, TL432

Symbol

Table 4. TL431I/TL432I (Tamb = 25 °C unless otherwise specified)

Parameter

TL431I/TL432I TL431AI/TL432AI

Unit

Min. Typ. Max. Min. Typ. Max.

Vref

Vref

----VV---r-k-e--a-f

Reference input voltage

VKA = Vref, Ik = 10 mA, Tamb = 25 °C

Tmin  Tamb  Tmax

Reference input voltage deviation overtemperature

range (1)

VKA = Vref, Ik =10 mA, Tmin Tamb Tmax

Ratio of change in reference input voltage to change

in cathode to anode voltage

Ik = 10 mA, VKA = 10 V to Vref

VKA = 36 V to 10 V

2.44 2.495 2.55 2.47 2.495 2.52 V

2.41 - 2.58 2.44 - 2.55

-

7 30 -

7 30 mV

-2.7 -1.4

-2 -1

-

-

-2.7 -1.4

-2 -1

- mV/V

-

Reference input current

Iref

Ik = 10 mA, R1 = 10 k, R2 = 

Tamb = 25 °C

Tmin  Tamb  Tmax

-

-

1.8 4

- 6.5

-

-

1.8

-

4

6.5

µA

Iref

Imin

Ioff

ZKA

Reference input current deviation overtemperature

range

Ik = 10 mA, R1 = 10 k, R2 = 

Tmin  Tamb  Tmax

Minimum cathode current for regulation

VKA = Vref

Off-state cathode current

Dynamic impedance(2)

VKA = Vref,  Ik = 1 to 100 mA, f  1 kHZ

- 0.8 2.5 - 0.8 1.2 µA

- 0.5 1

- 0.5 0.7 mA

- 2.6 1000 - 2.6 1000 nA

- 0.22 0.5 - 0.22 0.5 

1. See definition of Section : Reference input voltage deviation overtemperature range below.

2. The dynamic impedance is defined as ZKA= -----V---I-K-k---A--

6/21

DocID4467 Rev 12

Share Link: