SBVS361A April   2020  – November 2020 TPS7B84-Q1

PRODUCTION DATA  

  1. Features
  2. Applications
  3. Description
  4. Revision History
  5. Pin Configuration and Functions
  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. Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagrams
    3. 7.3 Feature Description
      1. 7.3.1 Enable (EN)
      2. 7.3.2 Undervoltage Lockout
      3. 7.3.3 Thermal Shutdown
      4. 7.3.4 Current Limit
    4. 7.4 Device Functional Modes
      1. 7.4.1 Device Functional Mode Comparison
      2. 7.4.2 Normal Operation
      3. 7.4.3 Dropout Operation
      4. 7.4.4 Disabled
  8. Application and Implementation
    1. 8.1 Application Information
      1. 8.1.1 Input and Output Capacitor Selection
      2. 8.1.2 Adjustable Device Feedback Resistor Selection
      3. 8.1.3 Feed-Forward Capacitor (CFF)
      4. 8.1.4 Dropout Voltage
      5. 8.1.5 Reverse Current
      6. 8.1.6 Power Dissipation (PD)
        1. 8.1.6.1 Thermal Performance Versus Copper Area
        2. 8.1.6.2 Power Dissipation vs Ambient Temperature
      7. 8.1.7 Estimating Junction Temperature
    2. 8.2 Typical Application
      1. 8.2.1 Design Requirements
      2. 8.2.2 Detailed Design Procedure
        1. 8.2.2.1 Input Capacitor
        2. 8.2.2.2 Output Capacitor
      3. 8.2.3 Application Curves
  9. Power Supply Recommendations
  10. 10Layout
    1. 10.1 Layout Guidelines
      1. 10.1.1 Package Mounting
      2. 10.1.2 Board Layout Recommendations to Improve PSRR and Noise Performance
    2. 10.2 Layout Examples
  11. 11Device and Documentation Support
    1. 11.1 Device Support
      1. 11.1.1 Device Nomenclature
    2. 11.2 Receiving Notification of Documentation Updates
    3. 11.3 Support Resources
    4. 11.4 Trademarks
    5. 11.5 Electrostatic Discharge Caution
    6. 11.6 Glossary

Package Options

Refer to the PDF data sheet for device specific package drawings

Mechanical Data (Package|Pins)
  • DCY|4
  • DRB|8
Thermal pad, mechanical data (Package|Pins)
Orderable Information

Typical Characteristics

specified at TJ = –40°C to +150°C, VIN = 13.5 V,  IOUT = 100 µA, COUT = 2.2 µF, 1 mΩ < COUT ESR < 2 Ω, CIN = 1 µF, and
VEN = 2 V
(unless otherwise noted)

GUID-20201027-CA0I-DDKM-P3CH-PR9RCVP3TSLK-low.gif
 
Figure 6-1 Accuracy vs Temperature
GUID-896D7D48-FF74-44BE-AF66-E3F937604688-low.gif
VOUT = 5 V, IOUT = 5 mA
Figure 6-3 Line Regulation vs VIN
GUID-B1187C01-56B3-4FFD-AED2-7FB678B6445A-low.gif
VOUT = 5 V
Figure 6-5 Load Regulation vs IOUT
GUID-20201021-CA0I-CBQM-GHBT-V70TN0WBPK9K-low.gif
 COUT = 10 µF
Figure 6-7 Line Regulation at 100 mA
GUID-7ED1A0CC-CC95-4C14-8160-EC2B6EBD9043-low.gif
COUT = 10 µF (X7R 50 V), VOUT = 5 V
Figure 6-9 PSRR vs Frequency and IOUT
GUID-20201015-CA0I-89HN-KGSX-SMJJCVXR0730-low.gif
VOUT = 3.3 V, COUT = 10 µF
Figure 6-11 Noise vs Frequency at 3.3 V
GUID-07A57807-C8BC-4CF4-8BB4-DCB689CDEAE1-low.gif
VOUT = 5 V, IOUT = 1 mA, VIN = 13.5 V to 40 V,
slew rate = 2.7 V/µs, VEN = 3.3 V, COUT = 10 µF
Figure 6-13 Line Transients at 13.5 V to 40 V
GUID-20201007-CA0I-FSKW-WKPD-JCF9J7V48ZKN-low.gif
VOUT = 5 V, IOUT = 0 mA to 100 mA, slew rate = 1 A/µs,
VEN = 3.3 V, COUT = 10 µF
Figure 6-15 Load Transient, No Load to 100 mA
GUID-20201007-CA0I-XXDB-P5P2-KJBVXVQCXJ7T-low.gif
VOUT = 5 V, IOUT = 45 mA to 105 mA, slew rate = 0.1 A/µs,
VEN = 3.3 V, COUT = 10 µF
Figure 6-17 Load Transient, 45 mA to 105 mA
GUID-20201007-CA0I-18PB-ZCVC-V2MGLJCQXZCX-low.gif
VOUT = 5 V, IOUT = 0 mA to 150 mA, slew rate = 1 A/µs,
VEN = 3.3 V, COUT = 10 µF
Figure 6-19 Load Transient, No Load to 150 mA
GUID-20201027-CA0I-N393-9XQ7-1BMFXB9TZBSK-low.gif
VIN = VOUT + 1 V, VOUT = 90% × VOUT(NOM)
 
Figure 6-21 Output Current Limit vs Temperature
GUID-CEA41038-9B8D-419E-B704-17233FA7998C-low.gif
VOUT = 5 V 
Figure 6-23 Quiescent Current (IQ) vs VIN
GUID-20201015-CA0I-8XBR-GQZS-KGXMHHPSMXVN-low.gif
 IOUT = 100 mA
Figure 6-25 Ground Current
GUID-A29ACE32-6488-45FC-B77D-5B6C1C8D572A-low.gif
 
Figure 6-27 EN Threshold vs Temperature
GUID-20201116-CA0I-JCNC-MRCV-TSPWK3HHZCJK-low.gif
 VIN = 13.5 V, COUT = 10 µF
Figure 6-29 Startup Plot With EN
GUID-20201026-CA0I-WCHH-BDZP-ZPQDPS44DCH9-low.gif
 
Figure 6-31 Output Voltage vs Injected Current
GUID-20201116-CA0I-4NWX-DC0T-5VBZZZPPTSN3-low.gif
 
Figure 6-33 Stability ESR vs COUT
GUID-051B3500-00D7-4B86-881F-EB2526320CAF-low.gif
VOUT = 5 V, IOUT = 150 mA
Figure 6-2 Line Regulation vs VIN
GUID-8648F713-49EC-4C70-8F9D-E33C53B163F3-low.gif
VOUT = 5 V, IOUT = 1 mA
Figure 6-4 Line Regulation vs VIN
GUID-20201021-CA0I-TGTX-H3VS-QZ1SXM8QS1GQ-low.gif
COUT = 10 µF 
Figure 6-6 Line Regulation at 50 mA
GUID-EA8B6FBB-A60C-425F-A0F4-E7F84BE341FF-low.gif
VIN = 3 V
Figure 6-8 Dropout Voltage (VDO) vs IOUT
GUID-55E9C6E0-B8E0-4F5D-9A06-BC6D0A7CC1C5-low.gif
COUT = 10 µF (X7R 50 V), IOUT = 150 mA, VOUT = 5 V
Figure 6-10 PSRR vs Frequency and VIN
GUID-20201015-CA0I-CVBC-WZSQ-6NJ0T4FKWWNZ-low.gif
VOUT = 5 V, COUT = 10 µF
Figure 6-12 Noise vs Frequency at 5.0 V
GUID-20201015-CA0I-GCTX-X5FM-09CFSZWT4QDX-low.gif
VOUT = 5 V, VIN = 5.5 V to 6.5 V, trise = 1 µs, COUT = 10 µF
 
Figure 6-14 Line Transients at 5.5 V to 6.5 V
GUID-20201007-CA0I-W14F-5C3L-LKPXN4MCRBNS-low.gif
VOUT = 5 V, IOUT = 0 mA to 100 mA, slew rate = 1 A/µs,
VEN = 3.3 V, COUT = 10 µF
Figure 6-16 Load Transient, No Load to 100-mA Rising Edge
GUID-20201007-CA0I-CCDT-KMW0-VHVXRW627VWF-low.gif
VOUT = 5 V, IOUT = 45 mA to 105 mA, slew rate = 0.1 A/µs,
VEN = 3.3 V, COUT = 10 µF
Figure 6-18 Load Transient, 45-mA to 105-mA Rising Edge
GUID-20201007-CA0I-FJZJ-DHRN-FX7XBHP8LVSD-low.gif
VOUT = 5 V, IOUT = 0 mA to 150 mA, slew rate = 1 A/µs, VEN = 3.3 V, COUT = 10 µF
Figure 6-20 Load Transient, No Load to 150-mA Rising Edge
GUID-4DAFAF4F-2320-444F-8409-3899D39989EF-low.gif
VOUT = 5 V  
Figure 6-22 Quiescent Current (IQ) vs VIN
GUID-20201007-CA0I-PTWH-GFXF-HDLJ2LGRNH0V-low.gif
 
Figure 6-24 Ground Current (IGND) vs IOUT
GUID-20201015-CA0I-1J2Q-ZP3W-W53N7QBCL1DS-low.gif
 IOUT = 500 µA
Figure 6-26 Ground Current
GUID-B7D3BEC4-1B81-4038-91EB-C40C2AABAE41-low.gif
 
Figure 6-28 Undervoltage Lockout (UVLO) Threshold vs Temperature
GUID-20201007-CA0I-D1VX-J0WP-9VQ2LRMGG91G-low.gif
COUT = 10 µF
 
Figure 6-30 Startup Plot
GUID-20201026-CA0I-NWZ7-HZPH-KTDLZFDJLS11-low.gif
 
Figure 6-32 Thermal Shutdown