SGLS162I April   2003  – March 2016 TPS793-Q1

PRODUCTION DATA.  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
  4. 4 Revision History
  5. 5 Voltage Options
  6. 6 Pin Configuration and Functions
  7. 7 Specifications
    1. 7.1 Absolute Maximum Ratings
    2. 7.2 ESD Ratings
    3. 7.3 Recommended Operating Conditions
    4. 7.4 Thermal Information
    5. 7.5 Electrical Characteristics
    6. 7.6 Typical Characteristics
  8. 8 Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
      1. 8.3.1 Undervoltage Lockout (UVLO)
      2. 8.3.2 Shutdown
      3. 8.3.3 Foldback Current Limit
      4. 8.3.4 Thermal Protection
      5. 8.3.5 Reverse Current Operation
      6. 8.3.6 Regulator Protection
    4. 8.4 Device Functional Modes
      1. 8.4.1 Normal Operation
      2. 8.4.2 Dropout Operation
      3. 8.4.3 Disabled
  9. 9 Application 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 External Capacitor Requirements
        2. 9.2.2.2 Programming the TPS79301-Q1 Adjustable LDO Regulator
      3. 9.2.3 Application Curves
  10. 10Power Supply Recommendations
  11. 11Layout
    1. 11.1 Layout Guidelines
      1. 11.1.1 Board Layout Recommendations to Improve PSRR and Noise Performance
    2. 11.2 Layout Example
    3. 11.3 Power Dissipation and Junction Temperature
  12. 12Device and Documentation Support
    1. 12.1 Device Support
      1. 12.1.1 Development Support
        1. 12.1.1.1 Evaluation Modules
        2. 12.1.1.2 Spice Models
      2. 12.1.2 Device Nomenclature
    2. 12.2 Documentation Support
      1. 12.2.1 Related Documentation
    3. 12.3 Community Resource
    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

1 Features

  • Qualified For Automotive Applications
  • AEC-Q100 Qualified With the Following Results:
    • Device Temperature Grade 1: –40°C to +125°C
    • Device HBM ESD Classification Level 1C
    • Device CDM ESD Classification Level C2
  • 200-mA Low-Dropout Regulator With EN
  • Available in 1.8-V, 2.5-V, 2.8-V, 3-V, 3.3-V, 4.75-V, and Adjustable Options
  • High PSRR (70 dB at 10 kHz)
  • Ultralow Noise (32 μV)
  • Fast Start-Up Time (50 μs)
  • Stable With a 2.2-μF Ceramic Capacitor
  • Excellent Load and Line Transient
  • Very Low Dropout Voltage
    (112 mV at Full Load, TPS79330-Q1)
  • 5-Pin SOT-23 (DBV) Package

2 Applications

  • VCOs
  • RF
  • Bluetooth™

3 Description

The TPS793xx-Q1 family of low-dropout (LDO) low-power linear voltage regulators features high power-supply rejection ratio (PSRR), ultralow noise, fast start-up, and excellent line and load transient responses in a small-outline SOT-23 package. Each TPS793-Q1 device in the family is stable, with a small 2.2-μF ceramic capacitor on the output. The TPS793xx-Q1 family uses an advanced, proprietary, BiCMOS fabrication process to yield extremely low dropout voltages (for example, 112 mV at 200 mA, TPS79330-Q1). Each device achieves fast start-up times (approximately 50 μs with a 0.001-μF bypass capacitor), while consuming very low quiescent current (170 μA typical). Moreover, when the device is placed in standby mode, the supply current is reduced to less than 1 μA. The TPS79328-Q1 exhibits approximately 32 μVRMS of output voltage noise with a 0.1-μF bypass capacitor. Applications with analog components that are noise sensitive, such as portable RF electronics, benefit from the high PSRR and low-noise features, as well as the fast response time.

Device Information(1)

PART NUMBER PACKAGE BODY SIZE (NOM)
TPS793xx-Q1 SOT-23 (6) 2.90 × 2.90 mm
  1. For all available packages, see the orderable addendum at the end of the data sheet.

TPS79328-Q1 Ripple Rejection vs Frequency

TPS793-Q1 ripple_rejection_sgls162.gif

TPS79328-Q1 Output Spectral Noise Density vs Frequency

TPS793-Q1 output_spectral_noise_density_sgls162.gif