SBVS363A December   2020  – April 2021 TPS7B87-Q1

PRODUCTION DATA  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
  4. 4 Revision History
  5. 5 Pin Configuration and 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 Switching Characteristics
    7. 6.7 Typical Characteristics
  7. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1 Power-Good (PG)
      2. 7.3.2 Adjustable Power-Good Delay Timer (DELAY)
      3. 7.3.3 Undervoltage Lockout
      4. 7.3.4 Thermal Shutdown
      5. 7.3.5 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. 8 Application and Implementation
    1. 8.1 Application Information
      1. 8.1.1 Input and Output Capacitor Selection
      2. 8.1.2 Dropout Voltage
      3. 8.1.3 Reverse Current
      4. 8.1.4 Power Dissipation (PD)
        1. 8.1.4.1 Thermal Performance Versus Copper Area
        2. 8.1.4.2 Power Dissipation Versus Ambient Temperature
      5. 8.1.5 Estimating Junction Temperature
      6. 8.1.6 Pulling Up the PG Pin to a Different Voltage
      7. 8.1.7 Power-Good
        1. 8.1.7.1 Setting the Adjustable Power-Good Delay
    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. 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. 11.1.2 Development Support
    2. 11.2 Documentation Support
      1. 11.2.1 Related Documentation
    3. 11.3 Receiving Notification of Documentation Updates
    4. 11.4 Support Resources
    5. 11.5 Trademarks
    6. 11.6 Electrostatic Discharge Caution
    7. 11.7 Glossary
  12. 12Mechanical, Packaging, and Orderable Information

Package Options

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

6.7 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, and CIN = 1 µF (unless otherwise noted)

GUID-20201130-CA0I-PPDS-1ZSD-VBQ4CLGMGLQW-low.gif
 
Figure 6-1 Accuracy vs Temperature
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VOUT = 5 V, IOUT = 5 mA
Figure 6-3 Line Regulation vs VIN
GUID-5D984092-1AF0-4798-93B7-2A60BF286B02-low.gif
VOUT = 5 V
Figure 6-5 Load Regulation vs IOUT
GUID-20201021-CA0I-CBQM-GHBT-V70TN0WBPK9K-low.gif
COUT = 10 µF, VOUT = 5 V
Figure 6-7 Line Regulation at 100 mA
GUID-20201130-CA0I-CHLS-XSV0-FSKXMDTLKTWJ-low.gif
COUT = 10 µF (X7R 50 V), VOUT = 5 V
Figure 6-9 PSRR vs Frequency and IOUT
GUID-20201110-CA0I-SWLR-HT7S-BSP53KHL3JZK-low.gif
COUT = 10 µF (X7R 50 V), VOUT = 3.3 V
Figure 6-11 Noise vs Frequency
GUID-35E533E2-0E92-4CA0-B82C-1006AF8E9AFE-low.gif
VOUT = 5 V, IOUT = 1 mA, VIN = 13.5 V to 45 V,
slew rate = 2.7 V/µs
Figure 6-13 Line Transients
GUID-20201007-CA0I-FSKW-WKPD-JCF9J7V48ZKN-low.gif
VOUT = 5 V, IOUT = 0 mA to 100 mA, slew rate = 1 A/µs,
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,
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,
COUT = 10 µF
Figure 6-19 Load Transient, No Load to 150-mA
GUID-20201130-CA0I-XCQM-S32M-J3NRHRCMKZGG-low.gif
VOUT = 5 V, IOUT = 150 mA to 350 mA, slew rate = 0.1 A/µs,
COUT = 10 µF
Figure 6-21 Load Transient, 150-mA to 350-mA
GUID-20201110-CA0I-MGWM-BFBS-34N5WWZ9XW7D-low.gif
VOUT = 5 V, IOUT = 0 mA to 500 mA, slew rate = 1 A/µs,
COUT = 10 µF
 
Figure 6-23 Load Transient, No Load to 500-mA Rising Edge
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Figure 6-25 Quiescent Current (IQ) vs VIN
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Figure 6-27 Ground Current (IGND) vs IOUT
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Figure 6-29 Ground Current at 500 µA
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VIN = 13.5 V, VOUT = 5 V, IOUT = 150 mA, COUT = 10 µF
 
Figure 6-31 Startup Plot Inrush Current
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VDELAY = 1 V
Figure 6-33 Delay Pin Current vs Temperature
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Figure 6-35 Thermal Shutdown
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VOUT = 5 V, IOUT = 150 mA
Figure 6-2 Line Regulation vs VIN
GUID-79A35D30-D5ED-4448-92A4-A7B45B9BDA6B-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, VOUT = 5 V
Figure 6-6 Line Regulation at 50 mA
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VIN = 3 V
Figure 6-8 Dropout Voltage (VDO) vs IOUT
GUID-20201110-CA0I-S5VB-XBQ6-QXC5QRT30CJS-low.gif
COUT = 10 µF (X7R 50 V), VOUT = 5 V
Figure 6-10 Noise vs Frequency
GUID-20201203-CA0I-J2HR-C3ZJ-R81B48TGRMB1-low.gif
COUT = 10 µF (X7R 50 V), IOUT = 500 mA, VOUT = 5 V
Figure 6-12 PSRR vs Frequency and VIN
GUID-20201110-CA0I-RPCJ-PGK3-H80MQP1DJN1X-low.gif
VOUT = 5 V, IOUT = 100 mA, VIN = 5.5 V to 6.5 V,
rise time = 1 µs
Figure 6-14 Line Transients
GUID-20201007-CA0I-W14F-5C3L-LKPXN4MCRBNS-low.gif
VOUT = 5 V, IOUT = 0 mA to 100 mA, slew rate = 1 A/µs,
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,
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,
COUT = 10 µF
Figure 6-20 Load Transient, No Load to 150-mA Rising Edge
GUID-20201109-CA0I-SDXJ-PRJK-HDFZW8CMC5GN-low.gif
VOUT = 5 V, IOUT = 0 mA to 500 mA, slew rate = 1 A/µs,
COUT = 10 µF
Figure 6-22 Load Transient, No Load to 500 mA
GUID-20201110-CA0I-4XJR-X0VW-MXRV8WN2KNJM-low.gif
VIN = VOUT + 1 V, VOUT = 90% × VOUT(NOM)
Figure 6-24 Output Current Limit vs Temperature
GUID-7DF983E8-4D15-48D4-A94A-8C52171DEFB1-low.gif
VOUT = 5 V
Figure 6-26 Quiescent Current (IQ) vs VIN
GUID-20201015-CA0I-8XBR-GQZS-KGXMHHPSMXVN-low.gif
 
Figure 6-28 Ground Current at 100 mA
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Figure 6-30 PG Threshold vs Temperature
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Figure 6-32 Undervoltage Lockout (UVLO) Threshold vs Temperature
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Figure 6-34 Output Voltage vs Injected Current
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Figure 6-36 Stability, ESR vs COUT