SLVS325D March   2001  – February 2018 TPS791

PRODUCTION DATA.  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
    1.     Device Images
      1.      Simplified Schematic: Fixed Output
      2.      Simplified Schematic: Adjustable Output
  4. 4 Revision History
  5. 5 Pin Configuration and Functions
    1.     Pin Functions
  6. 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. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagrams
    3. 7.3 Feature Description
      1. 7.3.1 Power Dissipation and Junction Temperature
      2. 7.3.2 Programming the TPS79101 Adjustable Regulator
      3. 7.3.3 Regulator Protection
    4. 7.4 Device Functional Modes
      1. 7.4.1 Normal Operation
      2. 7.4.2 Dropout Operation
      3. 7.4.3 Disabled
  8. 8 Application and Implementation
    1. 8.1 Application Information
      1. 8.1.1 External Capacitor Requirements
    2. 8.2 Typical Application
      1. 8.2.1 Design Requirements
      2. 8.2.2 Detailed Design Procedure
      3. 8.2.3 Application Curves
    3. 8.3 Do's and Don'ts
  9. 9 Power Supply Recommendations
  10. 10Layout
    1. 10.1 Layout Guidelines
      1. 10.1.1 Board Layout Recommendation to Improve PSRR and Noise Performance
    2. 10.2 Layout Example
  11. 11Device and Documentation Support
    1. 11.1 Receiving Notification of Documentation Updates
    2. 11.2 Community Resources
    3. 11.3 Trademarks
    4. 11.4 Electrostatic Discharge Caution
    5. 11.5 Glossary
  12. 12Mechanical, Packaging, and Orderable Information

Package Options

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

6.6 Typical Characteristics

at TJ = 25°C, VIN = VOUT(typ) + 1 V, IOUT = 1 mA, EN = 0 V, COUT = 10 µF, and CBYPASS = 0.01 µF (unless otherwise noted)
TPS791 tc_vo_io_118-lvs325.gif
VIN = 2.8 V, COUT = 10 µF, TJ = 25°C
Figure 1. TPS79118 Output Voltage vs Output Current
TPS791 tc_vo_tj_118-lvs325.gif
VIN = 2.8 V, COUT = 10 µF
Figure 3. TPS79118 Output Voltage vs
Junction Temperature
TPS791 tc_gc_tj_133-lvs325.gif
VIN = 4.3 V, COUT = 10 µF
Figure 5. TPS79133 Ground Current vs
Junction Temperature
TPS791 tc_ond_2_118-lvs325.gif
VIN = 2.8 V, COUT = 10 µF, CBYPASS = 0.1 µF
Figure 7. TPS79118 Output Spectral Noise Density vs Frequency
TPS791 tc_ond_1_133-lvs325.gif
VIN = 4.3 V, COUT = 1 µF, CBYPASS = 0.1 µF
Figure 9. TPS79133 Output Spectral Noise Density vs Frequency
TPS791 tc_ond_3_133-lvs325.gif
VIN = 4.3 V, IOUT = 100 mA, COUT = 10 µF
Figure 11. TPS79133 Output Spectral Noise Density vs Frequency
TPS791 tc_zo_f_133-lvs325.gif
VIN = 4.3 V, COUT = 10 µF, TJ = 25°C
Figure 13. TPS79133 Output Impedance vs Frequency
TPS791 tc_vdo_io133-lvs325.gif
VIN = 3.2 V, COUT = 10 µF
Figure 15. TPS79133 Dropout Voltage vs Output Current
TPS791 tc_mriv_vo-lvs325.gif
VIN = 3.2 V, COUT = 10 µF
Figure 17. Minimum Required Input Voltage vs
Output Voltage
TPS791 tc_rr_2_118-lvs325.gif
VIN = 2.8 V, COUT = 1 µF, CBYPASS = 0.01 µF
Figure 19. TPS79118 Ripple Rejection vs Frequency
TPS791 tc_rr_1_133-lvs325.gif
VIN = 4.3 V, COUT = 10 µF, CBYPASS = 0.01 µF
Figure 21. TPS79133 Ripple Rejection vs Frequency
TPS791 tc_rr_3_133-lvs325.gif
VIN = 4.3 V, COUT = 1 µF, CBYPASS = 0.1 µF
Figure 23. TPS79133 Ripple Rejection vs Frequency
TPS791 tc_vivo_t118-lvs325.gif
IOUT = 100 mA, COUT = 1 µF, CBYPASS = 0.01 µF
Figure 25. TPS79118 Line Transient Response
TPS791 tc_vivo_t133-lvs325.gif
IOUT = 100 mA, COUT = 1 µF, CBYPASS = 0.01 µF,
dv / dt = 0.4 V / ms
Figure 27. TPS79133 Line Transient Response
TPS791 tc_esr_co47-lvs325.gif
VIN = 5.5 V, COUT = 0.47 µF, TJ = –40°C to 125°C
Figure 29. TPS79118 Typical Regions of Stability Equivalent Series Resistance (ESR) vs Output Current
TPS791 tc_esr_co10-lvs325.gif
VIN = 5.5 V, COUT = 10 µF, TJ = –40°C to 125°C
Figure 31. TPS79118 Typical Regions of Stability Equivalent
Series Resistance (ESR) vs Output Current
TPS791 tc_vo_io_133-lvs325.gif
VIN = 4.3 V, COUT = 10 µF, TJ = 25°C
Figure 2. TPS79133 Output Voltage vs Output Current
TPS791 tc_vo_tj_133-lvs325.gif
VIN = 4.3 V, COUT = 10 µF
Figure 4. TPS79133 Output Voltage vs
Junction Temperature
TPS791 tc_ond_1_118-lvs325.gif
VIN = 2.8 V, COUT = 1 µF, CBYPASS = 0.1 µF
Figure 6. TPS79118 Output Spectral Noise Density vs Frequency
TPS791 tc_ond_3_118-lvs325.gif
VIN = 2.8 V, IOUT = 100 mA, COUT = 10 µF
Figure 8. TPS79118 Output Spectral Noise Density vs Frequency
TPS791 tc_ond_2_133-lvs325.gif
VIN = 4.3 V, COUT = 10 µF, CBYPASS = 0.1 µF
Figure 10. TPS79133 Output Spectral Noise Density vs Frequency
TPS791 tc_rms_cbp-lvs325.gif
BW = 100 Hz to 100 kHz
Figure 12. Root Mean Squared Output Noise vs
Bypass Capacitance
TPS791 tc_vdo_tj133-lvs325.gif
VIN = 3.2 V, COUT = 10 µF
Figure 14. TPS79133 Dropout Voltage vs
Junction Temperature
TPS791 tc_vdo_vi101-lvs325.gif
IOUT = 100 mA
Figure 16. TPS79101 Dropout Voltage vs Input Voltage
TPS791 tc_rr_1_118-lvs325.gif
VIN = 2.8 V, COUT = 10 µF, CBYPASS = 0.01 µF
Figure 18. TPS79118 Ripple Rejection vs Frequency
TPS791 tc_rr_3_118-lvs325.gif
VIN = 2.8 V, COUT = 1 µF, CBYPASS = 0.1 µF
Figure 20. TPS79118 Ripple Rejection vs Frequency
TPS791 tc_rr_2_133-lvs325.gif
VIN = 4.3 V, COUT = 1 µF, CBYPASS = 0.01 µF
Figure 22. TPS79133 Ripple Rejection vs Frequency
TPS791 tc_vo_t_133-lvs325.gif
VIN = 4.3 V, VOUT = 3.3 V, IOUT = 100 mA, COUT = 1 µF, TJ = 25°C
Figure 24. TPS79133 Output Voltage, Enable Voltage vs Time (Start-Up)
TPS791 tc_clvo_t118-lvs325.gif
VIN = 2.8 V, COUT = 10 µF
Figure 26. TPS79118 Load Transit Response
TPS791 tc_iovo_t133-lvs325.gif
VIN = 4.3 V, COUT = 10 µF
Figure 28. TPS79133 Load Transit Response
TPS791 tc_esr_co1-lvs325.gif
VIN = 5.5 V, COUT = 1 µF, TJ = –40°C to 125°C
Figure 30. TPS79118 Typical Regions of Stability Equivalent Series Resistance (ESR) vs Output Current