ZTL431xQ/ZTL432xQ

Document number: DS36916 Rev. 2 - 2

1 of 11

www.diodes.com

September 2016

© Diodes Incorporated

ZTL431xQ/ZTL432xQ

AUTOMOTIVE COMPLIANT ADJUSTABLE PRECISION SHUNT REGULATOR

Description

The ZTL431xQ and ZTL432xQ are three terminal adjustable shunt

regulators offering excellent temperature stability and output current

handling capability up to 100mA. The output voltage may be set to

any chosen voltage between 2.5 and 20 volts by selection of two

external divider resistors.

The ZTL432xQ has the same electrical specifications as the

ZTL431xQ but has a different pin out in SOT23 (F-suffix) and

SOT23F (FF-suffix).

Both variants are available in 2 grades with initial tolerances of 1%

and 0.5% for the A and B grades respectively.

These are functionally equivalent to the TL431/TL432 except for

maximum operation voltage, and have an ambient temperature range

of -40°C to +125°C as standard.

and are Automotive Compliant supporting PPAPs.

Pin Assignments

ZTL431xQF SOT23, ZTL431xQFF SOT23F

(Top View)

ZTL432xQF SOT23, ZTL432xQFF SOT23F

(Top View)

ZTL431xQE5 SOT25

(Top View)

connected to pin 5

Typical Application

Features



Temperature Range: -40°C to +125°C



Reference Voltage Tolerance at +25°C



0.5%: B Grade



1%: A Grade



0.2Ω Typical Output Impedance



Sink Current Capability: 1mA to 100mA





Green Molding in SOT23, SOT23F and SOT25



Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2)



Halogen and Antimony Free. “Green” Device (Note 3)



Qualified to AEC-Q100 Standards for High Reliability



AEC-Q100 Grade 1



PPAP Capable (Note 4)

Applications



Opto-Coupler Linearization



Linear Regulators



Improved Zener



Variable Reference

Notes:

1. No purposely added lead. Fully EU Directive 2002/95/EC (RoHS) & 2011/65/EU (RoHS 2) compliant.

2. See http://www.diodes.com/quality/lead_free.html for more information about Diodes Incorporated’s definitions of Halogen and Antimony-free, "Green"

and Lead-free.

3. Halogen- and Antimony-

free "Green” products are defined as those which contain <900ppm bromine, <900ppm chlorine (<1500ppm total Br + Cl)

and <1000ppm antimony compounds.

4. Automotive Compliant products are AEC-Q100 qualified and are PPAP capable. Refer to http://www.diodes.com/quality/product_compliance_definitions/.

Anode

Cathode

Ref

2

1

3

Anode

Cathode

Ref

2

1

3

Anode

Cathode

Ref

2

1

3

2

Anode

Cathode

N/C

3

1

5

N/C*