SLVSH40 November   2023 TPS92201 , TPS92201A

PRODMIX  

  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

Package Options

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

8.2.3 Application Performance Curves

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

GUID-20231023-SS0I-H7VR-KCZX-ZX16FG9XCHPD-low.svg

Iset = 1.5A

L = 2.2uH

1 IRLED

Figure 8-2 1 IRLED Output Efficiency
GUID-20231023-SS0I-V2ND-KSSM-25MT9ZTWV71G-low.svg

VIN = 3.6V

Iset = 1.5A

L = 2.2uH

Figure 8-4 Output Efficiency at 3.6V Input Voltage
GUID-20231024-SS0I-T0DQ-DPKN-JVFWX1VS3HDJ-low.svg
VIN = 5 V

Iset = 1.5A

Figure 8-6 Vout short to GND protection
GUID-20231024-SS0I-DRBR-RPCP-W1J9QT1FCZVF-low.svg
VIN = 5 V

Iset = 1.5A

L = 2.2uH
Figure 8-8 VIN Control Start Up with Load
GUID-20231024-SS0I-NZRZ-4MVP-GK0SCH3TZCDG-low.svg

Vin = 5V

IOUT = 0.5 A
Figure 8-10 PWM Operation
GUID-20231024-SS0I-M5RG-TDZG-GVHPCPB7Q51D-low.svg
IOUT = 1.5 A

L=2.2uH

Figure 8-12 EN Control Startup with Load
GUID-20231023-SS0I-RKBW-ZLJK-KR2DQHX83VX4-low.svg

Iset = 1.5A

L = 2.2uH

2 IRLED

Figure 8-3 2 IRLED Output Efficiency
GUID-20231023-SS0I-FMKR-QDM6-X1PPCX86JMHS-low.svg

VIN = 5.5V

Iset = 1.5A

L = 2.2uH

Figure 8-5 Output Efficiency at 5.5V Input Voltage
GUID-20231024-SS0I-VSHG-T24H-898SPFS21DGB-low.svg
VIN = 5 V

Iset = 1.5A

Figure 8-7 Vout Open Protection
GUID-20231024-SS0I-FMJH-VRSC-0PNSD8RDDNWT-low.svg

VIN = 5 V

Iset = 1.5A

L = 2.2uH

Figure 8-9 VIN Control Shutdown with Load
GUID-20231024-SS0I-FR6X-9VCN-R8LKGQ64ML6V-low.svg

Vin = 5V

IOUT = 0.1 A
Figure 8-11 Power Save Mode Operation
GUID-20231024-SS0I-TS6C-4DRH-D0TLF32TD4QP-low.svg
IOUT = 0.1 A

L=2.2uH

Figure 8-13 EN Control Startup with Load