SLVSDI1C April   2016  – November 2025 TPS7B4254-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 Diagram
    3. 6.3 Feature Description
      1. 6.3.1 Short-Circuit and Overcurrent Protection
      2. 6.3.2 Integrated Inductive Clamp Protection
      3. 6.3.3 OUT Short-to-Battery and Reverse-Polarity Protection
      4. 6.3.4 Undervoltage Shutdown
      5. 6.3.5 Thermal Protection
      6. 6.3.6 Regulated Output (OUT)
      7. 6.3.7 Adjustable Output Voltage (FB and ADJ)
        1. 6.3.7.1 OUT Voltage Equal to the Reference Voltage
        2. 6.3.7.2 OUT Voltage Higher Than Reference Voltage
        3. 6.3.7.3 Output Voltage Lower Than Reference Voltage
    4. 6.4 Device Functional Modes
      1. 6.4.1 Operation With VIN < 4V
  8. 7 Application and Implementation
    1. 7.1 Application Information
    2. 7.2 Typical Applications
      1. 7.2.1 Application With Output Voltage Equal to the Reference Voltage
        1. 7.2.1.1 Design Requirements
        2. 7.2.1.2 Detailed Design Procedure
          1. 7.2.1.2.1 Input Capacitor
          2. 7.2.1.2.2 Output Capacitor
        3. 7.2.1.3 Application Curve
      2. 7.2.2 High-Accuracy LDO
    3. 7.3 Power Supply Recommendations
    4. 7.4 Layout
      1. 7.4.1 Layout Guidelines
      2. 7.4.2 Layout Example
  9. 8 Device and Documentation Support
    1. 8.1 Device Support
      1. 8.1.1 Device Nomenclature
      2. 8.1.2 Development Support
    2. 8.2 Documentation Support
      1. 8.2.1 Related Documentation
    3. 8.3 Receiving Notification of Documentation Updates
    4. 8.4 Support Resources
    5. 8.5 Trademarks
    6. 8.6 Electrostatic Discharge Caution
    7. 8.7 Glossary
  10. 9 Revision History
  11. 10Mechanical, Packaging, and Orderable Information
    1. 10.1 Mechanical Data

5.6 Typical Characteristics

TPS7B4254-Q1 Tracking Accuracy vs Ambient Temperature
Figure 5-1 Tracking Accuracy vs Ambient Temperature
TPS7B4254-Q1 Load Regulation
Figure 5-3 Load Regulation
TPS7B4254-Q1 Dropout Voltage vs Ambient Temperature
VIN = VADJ = 4VIOUT = 100mA
Figure 5-5 Dropout Voltage vs Ambient Temperature
TPS7B4254-Q1 Shutdown Current vs Ambient Temperature
Figure 5-7 Shutdown Current vs Ambient Temperature
TPS7B4254-Q1 Quiescent Current vs Ambient Temperature
Figure 5-9 Quiescent Current vs Ambient Temperature
TPS7B4254-Q1 PSRR
COUT = 10µFIOUT = 1mATA = 25°C
VIN = 14VVADJ = 5V
Figure 5-11 PSRR
TPS7B4254-Q1 ESR Stability vs Load Capacitance
VFB = VOUT
Figure 5-13 ESR Stability vs Load Capacitance
TPS7B4254-Q1 ESR Stability vs Load Capacitance (Multiple Output Capacitors in parallel)
Figure 5-15 ESR Stability vs Load Capacitance (Multiple Output Capacitors in parallel)
TPS7B4254-Q1 40V to 6V Line Transient
VIN = 40 to 6VVADJ = 5VCOUT = 10µF
IOUT = 10mA40µs/div
Figure 5-17 40V to 6V Line Transient
TPS7B4254-Q1 40V to 6V Line Transient
VIN = 40 to 6VVADJ = 5VCOUT = 10µF
IOUT = 100mA40µs/div
Figure 5-19 40V to 6V Line Transient
TPS7B4254-Q1 100mA to 10mA Load Transient
VIN = 14VVADJ = 5VCOUT = 10µF
IOUT = 100mA to 10mA100µs/div
Figure 5-21 100mA to 10mA Load Transient
TPS7B4254-Q1 Line Regulation
Figure 5-2 Line Regulation
TPS7B4254-Q1 Dropout Voltage vs Output Current
VIN = VADJ = 4V
Figure 5-4 Dropout Voltage vs Output Current
TPS7B4254-Q1 Current Limit (IOUT(LIM)) vs Ambient Temperature
Figure 5-6 Current Limit (IOUT(LIM)) vs Ambient Temperature
TPS7B4254-Q1 Quiescent Current vs Output Current
Figure 5-8 Quiescent Current vs Output Current
TPS7B4254-Q1 Quiescent Current vs Input Voltage
VADJ = 5V
Figure 5-10 Quiescent Current vs Input Voltage
TPS7B4254-Q1 PSSR
COUT = 10µFIOUT = 100mATA = 25°C
VIN = 14VVADJ = 5V
Figure 5-12 PSSR
TPS7B4254-Q1 ESR Stability vs Load Capacitance
VFB < VOUT
Figure 5-14 ESR Stability vs Load Capacitance
TPS7B4254-Q1 6V to 40V Line Transient
VIN = 6 to 40VVADJ = 5VCOUT = 10µF
IOUT = 10mA40µs/div
Figure 5-16 6V to 40V Line Transient
TPS7B4254-Q1 6V to 40V Line Transient
VIN = 6 to 40VVADJ = 5VCOUT = 10µF
IOUT = 100mA40µs/div
Figure 5-18 6V to 40V Line Transient
TPS7B4254-Q1 10V to 100mA Load Transient
VIN = 14VVADJ = 5VCOUT = 10µF
IOUT = 10mA to 100mA100µs/div
Figure 5-20 10V to 100mA Load Transient