SBVS038V September   2003  – September 2024 TPS736

PRODUCTION DATA  

  1.   1
  2. Features
  3. Applications
  4. Description
  5. Pin Configuration and Functions
  6. 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 Thermal Information
    6. 5.6 Electrical Characteristics
    7. 5.7 Typical Characteristics
  7. Detailed Description
    1. 6.1 Overview
    2. 6.2 Functional Block Diagrams
    3. 6.3 Feature Description
      1. 6.3.1 Output Noise
      2. 6.3.2 Internal Current Limit
      3. 6.3.3 Enable Pin and Shutdown
      4. 6.3.4 Reverse Current
    4. 6.4 Device Functional Modes
      1. 6.4.1 Normal Operation with 1.7 V ≤ VIN ≤ 5.5 V and VEN ≥ 1.7 V
  8. Application and Implementation
    1. 7.1 Application Information
    2. 7.2 Typical Application
      1. 7.2.1 Design Requirements
      2. 7.2.2 Detailed Design Procedure
        1. 7.2.2.1 Input and Output Capacitor Requirements
        2. 7.2.2.2 Dropout Voltage
        3. 7.2.2.3 Transient Response
      3. 7.2.3 Application Curves
    3. 7.3 Power Supply Recommendations
    4. 7.4 Layout
      1. 7.4.1 Layout Guidelines
        1. 7.4.1.1 Power Dissipation
        2. 7.4.1.2 Thermal Protection
        3. 7.4.1.3 Package Mounting
      2. 7.4.2 Layout Examples
  9. Device and Documentation Support
    1. 8.1 Device Support
      1. 8.1.1 Development Support
        1. 8.1.1.1 Evaluation Modules
        2. 8.1.1.2 Spice Models
      2. 8.1.2 Device Nomenclature
    2. 8.2 Documentation Support
      1. 8.2.1 Related Documentation
    3. 8.3 Receiving Notification of Documentation Updates
    4. 8.4 Support Resources
    5. 8.5 Trademarks
    6. 8.6 Electrostatic Discharge Caution
    7. 8.7 Glossary
  10. Revision History
  11. 10Mechanical, Packaging, and Orderable Information

Design Requirements

For this design example, use the parameters listed below as the input parameters.

Table 7-1 Design Parameters (Fixed-Voltage Version)
PARAMETER DESIGN REQUIREMENT
Input voltage 5 V, ±3%
Output voltage 3.3 V, ±1%
Output current 400 mA (maximum), 20 mA (minimum)
RMS noise, 10 Hz to 100 kHz < 30 μVRMS
Ambient temperature 55°C (maximum)
Table 7-2 Design Parameters (Adjustable-Voltage Version)
PARAMETER DESIGN REQUIREMENT
Input voltage 5 V, ±3%, provided by the dc/dc converter switching at 1 MHz
Output voltage 2.5 V, ±1%
Output current 0.4 A (maximum), 10 mA (minimum)
RMS noise, 10 Hz to 100 kHz < 35 μVRMS
Ambient temperature 55°C (maximum)