SLVSH40B November   2023  – August 2024 TPS92201 , TPS92201A

PRODUCTION DATA  

  1.   1
  2. 1 Features
  3. 2 Applications
  4. 3 Description
  5. 4 Device Comparison Table
  6. 5 Pin Configuration and Functions
  7. 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
  8. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1  Adaptive Off-time Control
      2. 7.3.2  Power Save Mode
      3. 7.3.3  Soft Startup
      4. 7.3.4  Low Dropout Operation
      5. 7.3.5  LED Current Setting
      6. 7.3.6  Voltage Reference
      7. 7.3.7  Switch Current Limit
      8. 7.3.8  Fault Behaviors
      9. 7.3.9  Under Voltage Lockout
      10. 7.3.10 Thermal Shutdown
    4. 7.4 Device Functional Modes
      1. 7.4.1 Enabling/Disabling the Device
  9. 8 Application and Implementation
    1. 8.1 Application Information
    2. 8.2 Typical Application
      1. 8.2.1 Design Requirements
      2. 8.2.2 Detailed Design Procedure
        1. 8.2.2.1 Custom Design With WEBENCH® Tools
        2. 8.2.2.2 Setting the Output Voltage
        3. 8.2.2.3 Output Filter Design
        4. 8.2.2.4 Inductor Selection
        5. 8.2.2.5 Input and Output Capacitor Selection
      3. 8.2.3 Application Performance Curves
    3. 8.3 Power Supply Recommendations
    4. 8.4 Layout
      1. 8.4.1 Layout Guidelines
      2. 8.4.2 Layout Example
      3. 8.4.3 Thermal Considerations
  10. 9 Device and Documentation Support
    1. 9.1 Device Support
      1. 9.1.1 Custom Design With WEBENCH® Tools
    2. 9.2 Documentation Support
      1. 9.2.1 Related Documentation
    3. 9.3 Receiving Notification of Documentation Updates
    4. 9.4 Support Resources
    5. 9.5 Trademarks
    6. 9.6 Electrostatic Discharge Caution
    7. 9.7 Glossary
  11. 10Revision History
  12. 11Mechanical, Packaging, and Orderable Information

8.2.3 Application Performance Curves

VIN = 5V, VOUT = 1.8V, L = 2.2μH, TA = 25°C, unless otherwise noted.

TPS92201 TPS92201A 1 IRLED Output Efficiency

Iset = 1.5A

L = 2.2μH

1 IRLED

Figure 8-2 1 IRLED Output Efficiency
TPS92201 TPS92201A Output Efficiency at 3.6V Input Voltage

VIN = 3.6V

Iset = 1.5A

L = 2.2μH

Figure 8-4 Output Efficiency at 3.6V Input Voltage
TPS92201 TPS92201A Vout short to GND protection
VIN = 5V

Iset = 1.5A

Figure 8-6 Vout short to GND protection
TPS92201 TPS92201A VIN Control Start Up with Load
VIN = 5V

Iset = 1.5A

L = 2.2μH
Figure 8-8 VIN Control Start Up with Load
TPS92201 TPS92201A PWM Operation

Vin = 5V

IOUT = 0.5A
Figure 8-10 PWM Operation
TPS92201 TPS92201A EN Control Startup with Load
IOUT = 1.5A

L=2.2μH

Figure 8-12 EN Control Startup with Load
TPS92201 TPS92201A 2 IRLED Output Efficiency

Iset = 1.5A

L = 2.2μH

2 IRLED
Figure 8-3 2 IRLED Output Efficiency
TPS92201 TPS92201A Output Efficiency at 5.5V Input Voltage

VIN = 5.5V

Iset = 1.5A

L = 2.2μH

Figure 8-5 Output Efficiency at 5.5V Input Voltage
TPS92201 TPS92201A Vout Open Protection
VIN = 5V

Iset = 1.5A

Figure 8-7 Vout Open Protection
TPS92201 TPS92201A VIN Control Shutdown with Load

VIN = 5V

Iset = 1.5A

L = 2.2μH

Figure 8-9 VIN Control Shutdown with Load
TPS92201 TPS92201A Power Save Mode Operation

Vin = 5V

IOUT = 0.1A
Figure 8-11 Power Save Mode Operation
TPS92201 TPS92201A EN Control Startup with Load
IOUT = 0.1A

L=2.2μH

Figure 8-13 EN Control Startup with Load