SBVS361B April   2020  – May 2025 TPS7B84-Q1

PRODUCTION DATA  

  1.   1
  2. 1 Features
  3. 2 Applications
  4. 3 Description
  5. 4 Pin Configuration and Functions
  6. 5 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 Electrical Characteristics
    6. 5.6 Typical Characteristics
  7. 6 Detailed Description
    1. 6.1 Overview
    2. 6.2 Functional Block Diagrams
    3. 6.3 Feature Description
      1. 6.3.1 Enable (EN)
      2. 6.3.2 Undervoltage Lockout
      3. 6.3.3 Thermal Shutdown
      4. 6.3.4 Current Limit
    4. 6.4 Device Functional Modes
      1. 6.4.1 Device Functional Mode Comparison
      2. 6.4.2 Normal Operation
      3. 6.4.3 Dropout Operation
      4. 6.4.4 Disabled
  8. 7 Application and Implementation
    1. 7.1 Application Information
      1. 7.1.1 Input and Output Capacitor Selection
      2. 7.1.2 Adjustable Device Feedback Resistor Selection
      3. 7.1.3 Feed-Forward Capacitor (CFF)
      4. 7.1.4 Dropout Voltage
      5. 7.1.5 Reverse Current
      6. 7.1.6 Power Dissipation (PD)
        1. 7.1.6.1 Thermal Performance Versus Copper Area
        2. 7.1.6.2 Power Dissipation vs Ambient Temperature
      7. 7.1.7 Estimating Junction Temperature
    2. 7.2 Typical Application
      1. 7.2.1 Design Requirements
      2. 7.2.2 Detailed Design Procedure
        1. 7.2.2.1 Input Capacitor
        2. 7.2.2.2 Output Capacitor
      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 Package Mounting
        2. 7.4.1.2 Board Layout Recommendations to Improve PSRR and Noise Performance
      2. 7.4.2 Layout Examples
  9. 8 Device and Documentation Support
    1. 8.1 Device Support
      1. 8.1.1 Device Nomenclature
    2. 8.2 Receiving Notification of Documentation Updates
    3. 8.3 Support Resources
    4. 8.4 Trademarks
    5. 8.5 Electrostatic Discharge Caution
    6. 8.6 Glossary
  10. 9 Revision History
  11. 10Mechanical, Packaging, and Orderable Information

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

5.6 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)

TPS7B84-Q1 Accuracy vs Temperature
 
Figure 5-1 Accuracy vs Temperature
TPS7B84-Q1 Line Regulation vs VIN
VOUT = 5 V, IOUT = 5 mA
Figure 5-3 Line Regulation vs VIN
TPS7B84-Q1 Load Regulation vs IOUT
VOUT = 5 V
Figure 5-5 Load Regulation vs IOUT
TPS7B84-Q1 Line Regulation at 100 mA
 COUT = 10 µF
Figure 5-7 Line Regulation at 100 mA
TPS7B84-Q1 PSRR vs Frequency and IOUT
COUT = 10 µF (X7R 50 V), VOUT = 5 V
Figure 5-9 PSRR vs Frequency and IOUT
TPS7B84-Q1 Noise vs Frequency at 3.3 V
VOUT = 3.3 V, COUT = 10 µF
Figure 5-11 Noise vs Frequency at 3.3 V
TPS7B84-Q1 Line Transients at 13.5 V to 40 V
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 5-13 Line Transients at 13.5 V to 40 V
TPS7B84-Q1 Load Transient, No Load to 100 mA
VOUT = 5 V, IOUT = 0 mA to 100 mA, slew rate = 1 A/µs,
VEN = 3.3 V, COUT = 10 µF
Figure 5-15 Load Transient, No Load to 100 mA
TPS7B84-Q1 Load Transient, 45 mA to 105 mA
VOUT = 5 V, IOUT = 45 mA to 105 mA, slew rate = 0.1 A/µs,
VEN = 3.3 V, COUT = 10 µF
Figure 5-17 Load Transient, 45 mA to 105 mA
TPS7B84-Q1 Load Transient, No Load to 150 mA
VOUT = 5 V, IOUT = 0 mA to 150 mA, slew rate = 1 A/µs,
VEN = 3.3 V, COUT = 10 µF
Figure 5-19 Load Transient, No Load to 150 mA
TPS7B84-Q1 Output Current Limit vs Temperature
VIN = VOUT + 1 V, VOUT = 90% × VOUT(NOM)
 
Figure 5-21 Output Current Limit vs Temperature
TPS7B84-Q1 Quiescent Current (IQ) vs VIN
VOUT = 5 V 
Figure 5-23 Quiescent Current (IQ) vs VIN
TPS7B84-Q1 Ground Current
 IOUT = 100 mA
Figure 5-25 Ground Current
TPS7B84-Q1 EN Threshold vs Temperature
 
Figure 5-27 EN Threshold vs Temperature
TPS7B84-Q1 Startup Plot With EN
 VIN = 13.5 V, COUT = 10 µF
Figure 5-29 Startup Plot With EN
TPS7B84-Q1 Output Voltage vs Injected Current
 
Figure 5-31 Output Voltage vs Injected Current
TPS7B84-Q1 Stability ESR vs COUT
 
Figure 5-33 Stability ESR vs COUT
TPS7B84-Q1 Line Regulation vs VIN
VOUT = 5 V, IOUT = 150 mA
Figure 5-2 Line Regulation vs VIN
TPS7B84-Q1 Line Regulation vs VIN
VOUT = 5 V, IOUT = 1 mA
Figure 5-4 Line Regulation vs VIN
TPS7B84-Q1 Line Regulation at 50 mA
COUT = 10 µF 
Figure 5-6 Line Regulation at 50 mA
TPS7B84-Q1 Dropout Voltage (VDO) vs IOUT
VIN = 3 V
Figure 5-8 Dropout Voltage (VDO) vs IOUT
TPS7B84-Q1 PSRR vs Frequency and VIN
COUT = 10 µF (X7R 50 V), IOUT = 150 mA, VOUT = 5 V
Figure 5-10 PSRR vs Frequency and VIN
TPS7B84-Q1 Noise vs Frequency at 5.0 V
VOUT = 5 V, COUT = 10 µF
Figure 5-12 Noise vs Frequency at 5.0 V
TPS7B84-Q1 Line Transients at 5.5 V to 6.5 V
VOUT = 5 V, VIN = 5.5 V to 6.5 V, trise = 1 µs, COUT = 10 µF
 
Figure 5-14 Line Transients at 5.5 V to 6.5 V
TPS7B84-Q1 Load Transient, No Load to 100-mA Rising Edge
VOUT = 5 V, IOUT = 0 mA to 100 mA, slew rate = 1 A/µs,
VEN = 3.3 V, COUT = 10 µF
Figure 5-16 Load Transient, No Load to 100-mA Rising Edge
TPS7B84-Q1 Load Transient, 45-mA to 105-mA Rising Edge
VOUT = 5 V, IOUT = 45 mA to 105 mA, slew rate = 0.1 A/µs,
VEN = 3.3 V, COUT = 10 µF
Figure 5-18 Load Transient, 45-mA to 105-mA Rising Edge
TPS7B84-Q1 Load Transient, No Load to 150-mA Rising Edge
VOUT = 5 V, IOUT = 0 mA to 150 mA, slew rate = 1 A/µs, VEN = 3.3 V, COUT = 10 µF
Figure 5-20 Load Transient, No Load to 150-mA Rising Edge
TPS7B84-Q1 Quiescent Current (IQ) vs VIN
VOUT = 5 V  
Figure 5-22 Quiescent Current (IQ) vs VIN
TPS7B84-Q1 Ground Current (IGND) vs IOUT
 
Figure 5-24 Ground Current (IGND) vs IOUT
TPS7B84-Q1 Ground Current
 IOUT = 500 µA
Figure 5-26 Ground Current
TPS7B84-Q1 Undervoltage Lockout (UVLO) Threshold vs Temperature
 
Figure 5-28 Undervoltage Lockout (UVLO) Threshold vs Temperature
TPS7B84-Q1 Startup Plot
COUT = 10 µF
 
Figure 5-30 Startup Plot
TPS7B84-Q1 Thermal Shutdown
 
Figure 5-32 Thermal Shutdown