Table of Contents

1 Features............................................................................1

2 Applications..................................................................... 1

3 Description.......................................................................1

4 Revision History.............................................................. 2

5 Device Comparison Table...............................................3

6 Pin Configuration and Functions...................................3

6.1 Pin Functions ............................................................. 3

7 Specifications.................................................................. 4

7.1 Absolute Maximum Ratings ....................................... 4

7.2 ESD Ratings .............................................................. 4

7.3 Recommended Operating Conditions ........................4

7.4 Thermal Information ...................................................4

7.5 Electrical Characteristics ............................................5

8 Typical Characteristics................................................... 7

9 Parameter Measurement Information.......................... 12

9.1 Solder Heat Shift.......................................................12

9.2 Long-Term Stability................................................... 13

9.3 Thermal Hysteresis................................................... 13

9.4 Power Dissipation..................................................... 14

9.5 Noise Performance................................................... 15

10 Detailed Description....................................................16

10.1 Overview................................................................. 16

10.2 Functional Block Diagram....................................... 16

10.3 Feature Description.................................................16

10.4 Device Functional Modes........................................17

11 Application and Implementation................................ 18

11.1 Application Information............................................18

11.2 Typical Applications.................................................18

12 Power Supply Recommendations..............................23

13 Layout...........................................................................23

13.1 Layout Guidelines................................................... 23

13.2 Layout Example...................................................... 23

14 Device and Documentation Support..........................25

14.1 Documentation Support.......................................... 25

14.2 Receiving Notification of Documentation Updates..25

14.3 Support Resources................................................. 25

14.4 Trademarks.............................................................25

14.5 Electrostatic Discharge Caution..............................25

14.6 Glossary..................................................................25

15 Mechanical, Packaging, and Orderable

Information.................................................................... 25

4 Revision History

NOTE: Page numbers for previous revisions may differ from page numbers in the current version.

Changes from Revision B (August 2020) to Revision C (October 2020)

Page

• Added information for REF34-Q1 DGK Package............................................................................................... 3

• Added information for REF34xx-Q1 DGK package pin functions....................................................................... 3

Changes from Revision A (September 2018) to Revision B (August 2020)

Page

• Added information for REF34xxS-Q1................................................................................................................. 3

• Added information for REF34xxS-Q1................................................................................................................. 3

Changes from Revision * (July 2018) to Revision A (September 2018)

Page

• Changed Advance Information to Production Data............................................................................................ 1

REF34-Q1

SBAS901C – JULY 2018 – REVISED OCTOBER 2020

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