SBOS697B September   2014  – July 2026 REF19

PRODUCTION DATA  

  1.   1
  2. 1 Features
  3. 2 Applications
  4. 3 Description
  5. 4 Device Comparison Table
  6. 5 Pin Configuration and Functions
  7. 6 Specifications
    1. 6.1 Absolute Maximum Ratings
    2. 6.2 ESD Ratings
    3. 6.3 Recommended Operating Conditions
    4. 6.4 Thermal Information
    5. 6.5 Electrical Characteristics
    6. 6.6 Typical Characteristics
  8. 7 Parameter Measurement Information
    1. 7.1 Solder Heat Shift
    2. 7.2 Thermal Hysteresis
    3. 7.3 Noise Performance
  9. 8 Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
      1. 8.3.1 VREF and VBIAS Tracking
      2. 8.3.2 Low Temperature Drift
      3. 8.3.3 Load Current
    4. 8.4 Device Functional Modes
  10. 9 Applications and Implementation
    1. 9.1 Application Information
    2. 9.2 Typical Application
      1. 9.2.1 Design Requirements
      2. 9.2.2 Detailed Design Procedure
        1. 9.2.2.1 Shunt Resistor
        2. 9.2.2.2 Differential Amplifier
        3. 9.2.2.3 Voltage Reference
        4. 9.2.2.4 Results
      3. 9.2.3 Application Curves
    3. 9.3 Power-Supply Recommendations
    4. 9.4 Layout
      1. 9.4.1 Layout Guidelines
      2. 9.4.2 Layout Example
  11. 10Device and Documentation Support
    1. 10.1 Documentation Support
      1. 10.1.1 Related Documentation
    2. 10.2 Receiving Notification of Documentation Updates
    3. 10.3 Support Resources
    4. 10.4 Trademarks
    5. 10.5 Electrostatic Discharge Caution
    6. 10.6 Glossary
  12. 11Revision History
  13. 12Mechanical, Packaging, and Orderable Information

Package Options

Mechanical Data (Package|Pins)
Thermal pad, mechanical data (Package|Pins)
Orderable Information

Pin Configuration and Functions

REF19 DDC Package, SOT-23-THN-5 (Top
                    View) Figure 5-1 DDC Package, SOT-23-THN-5 (Top View)
Table 5-1 Pin Functions
PIN TYPE DESCRIPTION
NO. NAME
1 VBIAS Output Bias voltage output (VREF / 2)
2 GND — Ground
3 EN Input Enable (EN ≥ VIN – 0.7V, device enabled)
4 VIN Input Input supply voltage
5 VREF Output Reference voltage output (VREF)