SBAS798 September   2017 REF2125

PRODUCTION DATA.  

  1. Features
  2. Applications
  3. Description
  4. Revision History
  5. Pin Configuration and Functions
  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
  7. Parameter Measurement Information
    1. 7.1 Solder Heat Shift
    2. 7.2 Long-Term Stability
    3. 7.3 Thermal Hysteresis
    4. 7.4 Power Dissipation
    5. 7.5 Noise Performance
  8. Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
      1. 8.3.1 Supply Voltage
      2. 8.3.2 Low Temperature Drift
      3. 8.3.3 Load Current
      4. 8.3.4 Clean Start Feature
    4. 8.4 Device Functional Modes
      1. 8.4.1 EN Pin
      2. 8.4.2 Negative Reference Voltage
  9. Applications and Implementation
    1. 9.1 Application Information
    2. 9.2 Typical Application: Basic Voltage Reference Connection
      1. 9.2.1 Design Requirements
      2. 9.2.2 Detailed Design Procedure
        1. 9.2.2.1 Input and Output Capacitors
        2. 9.2.2.2 VIN Slew Rate Considerations
        3. 9.2.2.3 Shutdown/Enable Feature
      3. 9.2.3 Application Curves
  10. 10Power-Supply Recommendations
  11. 11Layout
    1. 11.1 Layout Guidelines
    2. 11.2 Layout Example
  12. 12Device and Documentation Support
    1. 12.1 Documentation Support
      1. 12.1.1 Related Documentation
    2. 12.2 Receiving Notification of Documentation Updates
    3. 12.3 Community Resources
    4. 12.4 Trademarks
    5. 12.5 Electrostatic Discharge Caution
    6. 12.6 Glossary
  13. 13Mechanical, Packaging, and Orderable Information

Package Options

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

Pin Configuration and Functions

DBV Package
5-Pin SOT-23
Top View
REF2125 pinout_3.gif

Pin Functions

PIN TYPE DESCRIPTION
NO. NAME
1 EN Input Enable connection. Enables or disables the device.
2 VIN Power Input supply voltage connection.
3 CS Input Clean start pin. Connect to a resistor or capacitor to enable the clean start feature.
4 VOUT Output Reference voltage output.
5 GND Ground Ground connection.