TL431XQDBZR 查看數據表（PDF） - NXP Semiconductors.

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TL431XQDBZR

Adjustable precision shunt regulator

NXP Semiconductors. 

NXP Semiconductors

TL431 family

Adjustable precision shunt regulator

6. Limiting values

Table 6. Limiting values

In accordance with the Absolute Maximum Rating System (IEC 60134).

Symbol Parameter

Conditions

Min

Max

Unit

VKA

cathode-anode voltage

IK

cathode current

Iref

reference current

Ptot

total power dissipation

Tamb  25 C

-

37

V

100

150

mA

0.05 10

mA

[1] -

350

mW

[2] -

580

mW

[3] -

950

mW

Tj

Tamb

junction temperature

ambient temperature

TL431XCDBZR

-

150

C

0

+70

C

TL431XIDBZR

40

+85

C

TL431XQDBZR

TL431XFDT

TL431XSDT

40

+125

C

Tstg

storage temperature

65

+150

C

[1] Device mounted on an FR4 Printed-Circuit Board (PCB), single-sided copper, tin-plated and standard

footprint.

[2] Device mounted on an FR4 PCB, single-sided copper, tin-plated, mounting pad for anode 1 cm2.

[3] Device mounted on a ceramic PCB, Al2O3, standard footprint.

1250

Ptot

(mW)

1000

(1)

006aab570

750

(2)

500

(3)

250

0

−75

−25

25

75

125

175

Tamb (°C)

(1) Ceramic PCB, Al2O3, standard footprint

(2) FR4 PCB, mounting pad for anode 1 cm2

(3) FR4 PCB, standard footprint

Fig 2. Power derating curves

TL431 family

Product data sheet

All information provided in this document is subject to legal disclaimers.

Rev. 5 — 01 September 2015

© NXP Semiconductors N.V. 2015. All rights reserved.

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