SBVA092 June   2022 TPS7A14

 

  1.   Abstract
  2.   Trademarks
  3. 1Introduction
    1. 1.1 TPS7A14 Functional Block Diagram
    2. 1.2 Biasing Rail for NMOS LDO
  4. 2Design and Considerations to Check
    1. 2.1 Configuring External Resistor Network
    2. 2.2 Feed-forward Capacitor for Loop Stability
    3. 2.3 IR Drop Compensation by Remote_Sense
  5. 3Stability Verification
    1. 3.1 Simulated Bode Plot vs. Evaluated Bode Plot
    2. 3.2 Transient Response in Time Domain
  6. 4Summary
  7. 5References

4 Summary

TPS7A14xx features a fixed Vout but can support external resistor divider to provide a flexibility for adjustable Vout. This application note addresses its feasibility and design considerations to check. Stability can be improved by adding loop compensation, simply by feedforward capacitor. It is known as providing reducing output noise and better PSRR as well.