SBOS283E
September 2003 – December 2024
REF1112
PRODUCTION DATA
1
1
Features
2
Applications
3
Description
4
Pin Configuration and Functions
5
Specifications
5.1
Absolute Maximum Ratings
5.2
ESD Ratings
5.3
Recommended Operating Conditions
5.4
Thermal Information
5.5
Electrical Characteristics
5.6
Typical Characteristics
6
Detailed Description
6.1
Overview
6.2
Functional Block Diagram
6.3
Feature Description
6.4
Device Functional Modes
7
Application and Implementation
7.1
Application Information
7.2
Typical Applications
7.2.1
Shunt Regulator
7.2.1.1
Design Requirements
7.2.1.2
Detailed Design Procedure
7.2.2
MicroPOWER 3μA, 1V Voltage Reference
7.2.2.1
Design Requirements
7.2.2.2
Detailed Design Procedure
7.2.3
2.5V Reference on 1μA
7.2.3.1
Design Requirements
7.2.3.2
Detailed Design Procedure
7.2.4
Adjustable Voltage Shunt Reference
7.2.5
Level Shift to Achieve Full ADC Input Range
7.2.6
Stable Current Source
7.3
Power Supply Recommendations
7.4
Layout
7.4.1
Layout Guidelines
7.4.2
Layout Example
8
Device and Documentation Support
8.1
Receiving Notification of Documentation Updates
8.2
Support Resources
8.3
Trademarks
8.4
Electrostatic Discharge Caution
8.5
Glossary
9
Revision History
10
Mechanical, Packaging, and Orderable Information
4
Pin Configuration and Functions
Figure 4-1
DBZ Package
3-Pin SOT-23
Top View
Table 4-1 Pin Functions
PIN
I/O
DESCRIPTION
NAME
NO.
V
o
1
I/O
Shunt Current/Voltage input
GND
2
O
Ground connection
NC
3
-
Must float or connect to GND