Table of Contents

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

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

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

4.1 Revision History...................................................... 0

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

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

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

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

7.6 Typical Characteristics................................................ 7

8 Parameter Measurement Information.......................... 11

8.1 Solder Heat Shift....................................................... 11

8.2 Long-Term Stability................................................... 12

8.3 Thermal Hysteresis................................................... 12

8.4 Power Dissipation..................................................... 13

8.5 Noise Performance................................................... 14

9 Detailed Description......................................................15

9.1 Overview................................................................... 15

9.2 Functional Block Diagram......................................... 15

9.3 Feature Description...................................................15

9.4 Device Functional Modes..........................................16

10 Application and Implementation................................ 17

10.1 Application Information........................................... 17

10.2 Typical Applications................................................ 17

11 Power Supply Recommendations..............................22

12 Layout...........................................................................22

12.1 Layout Guidelines................................................... 22

12.2 Layout Example...................................................... 22

13 Device and Documentation Support..........................23

13.1 Documentation Support.......................................... 23

13.2 Receiving Notification of Documentation Updates..23

13.3 Support Resources................................................. 23

13.4 Trademarks.............................................................23

13.5 Electrostatic Discharge Caution..............................23

13.6 Glossary..................................................................23

14 Mechanical, Packaging, and Orderable

Information.................................................................... 23

4 Revision History

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

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

SBAS901B – JULY 2018 – REVISED SEPTEMBER 2020

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