SBVS451 August   2024 TPS7A20C

PRODUCTION DATA  

  1.   1
  2. 1 Features
  3. 2 Applications
  4. 3 Description
  5. 4 Pin Configuration and Functions
  6. 5 Specifications
    1. 5.1 Absolute Maximum Ratings
    2. 5.2 ESD Ratings
    3. 5.3 Recommended Operating Conditions
    4. 5.4 Thermal Information
    5. 5.5 Electrical Characteristics
    6. 5.6 Switching Characteristics
    7. 5.7 Typical Characteristics
  7. 6 Detailed Description
    1. 6.1 Overview
    2. 6.2 Functional Block Diagram
    3. 6.3 Feature Description
      1. 6.3.1 Fast Settling
      2. 6.3.2 Low Output Noise
      3. 6.3.3 Dropout Voltage
      4. 6.3.4 Smart Enable
      5. 6.3.5 Current Limit
      6. 6.3.6 Undervoltage Lockout (UVLO)
      7. 6.3.7 Thermal Shutdown
      8. 6.3.8 Active Discharge
    4. 6.4 Device Functional Modes
      1. 6.4.1 Device Functional Mode Comparison
      2. 6.4.2 Normal Operation
      3. 6.4.3 Dropout Operation
      4. 6.4.4 Disabled
  8. 7 Application and Implementation
    1. 7.1 Application Information
      1. 7.1.1 Recommended Capacitor Types
      2. 7.1.2 Input and Output Capacitor Requirements
      3. 7.1.3 Load Transient Response
      4. 7.1.4 Undervoltage Lockout (UVLO) Operation
      5. 7.1.5 Power Dissipation (PD)
        1. 7.1.5.1 Estimating Junction Temperature
        2. 7.1.5.2 Recommended Area for Continuous Operation
    2. 7.2 Typical Application
      1. 7.2.1 Design Requirements
      2. 7.2.2 Detailed Design Procedure
      3. 7.2.3 Application Curve
    3. 7.3 Power Supply Recommendations
    4. 7.4 Layout
      1. 7.4.1 Layout Guidelines
      2. 7.4.2 Layout Example
  9. 8 Device and Documentation Support
    1. 8.1 Device Support
      1. 8.1.1 Device Nomenclature
    2. 8.2 Receiving Notification of Documentation Updates
    3. 8.3 Support Resources
    4. 8.4 Trademarks
    5. 8.5 Electrostatic Discharge Caution
    6. 8.6 Glossary
  10. 9 Revision History
  11. 10Mechanical, Packaging, and Orderable Information
    1. 10.1 Mechanical Data

3 Description

The TPS7A20C is an ultra-small, low-dropout (LDO) linear regulator that sources 300mA of output current. This LDO is designed to power sensitive loads such as image sensors. When used with low output capacitance and inductance, the device provides low noise, high PSRR, and excellent load and line transient performance. Using innovative design techniques, the TPS7A20C offers ultra-low noise performance without the addition of a noise-bypass capacitor. The TPS7A20C also provides the advantage of low quiescent current, which is useful in battery-powered applications. The 1.6V to 6.0V input voltage range and 0.8V to 5.5V output range are appropriate for a wide variety of applications. The device uses a precision reference circuit to provide a maximum accuracy of 1.5% over load, line, and temperature variations.

The TPS7A20C features an internal soft-start circuit to lower the inrush current, thus minimizing the input voltage drop during start-up. The device is stable with small ceramic capacitors, allowing for a small overall solution size.

The TPS7A20C has a smart enable input circuit with an internally controlled pulldown resistor. This resistor keeps the LDO disabled and helps eliminate the external components used to pulldown the EN pin. The LDO remains disabled even when the EN pin is left floating.

Package Information
PART NUMBER PACKAGE(1)PACKAGE SIZE(2)
TPS7A20CYCK (DSBGA, 4)0.616mm × 0.616mm
(1) For more information, see the Mechanical, Packaging, and Orderable Information.
(2) The package size (length × width) is a nominal value and includes pins, where applicable.