SLVSD94F November   2017  – November 2024 TPS62088 , TPS62088A , TPS62089A

PRODUCTION DATA  

  1.   1
  2. 1 Features
  3. 2 Applications
  4. 3 Description
  5. 4 Device Options
  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 Power Save Mode
      2. 7.3.2 Pulse Width Modulation (PWM) Operation
      3. 7.3.3 100% Duty Cycle Low Dropout Operation
      4. 7.3.4 Soft Start
      5. 7.3.5 Switch Current Limit and HICCUP Short-Circuit Protection
      6. 7.3.6 Undervoltage Lockout
      7. 7.3.7 Thermal Shutdown
    4. 7.4 Device Functional Modes
      1. 7.4.1 Enable and Disable
      2. 7.4.2 Power Good
  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 Feedforward Capacitor
        4. 8.2.2.4 Output Filter Design
        5. 8.2.2.5 Inductor Selection
        6. 8.2.2.6 Capacitor Selection
      3. 8.2.3 Application Curves
    3. 8.3 Power Supply Recommendations
    4. 8.4 Layout
      1. 8.4.1 Layout Guidelines
      2. 8.4.2 Layout Example
        1. 8.4.2.1 Thermal Considerations
  10. 9 Device and Documentation Support
    1. 9.1 Device Support
      1. 9.1.1 Third-Party Products Disclaimer
      2. 9.1.2 Development Support
        1. 9.1.2.1 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

Refer to the PDF data sheet for device specific package drawings

Mechanical Data (Package|Pins)
  • YFP|6
Thermal pad, mechanical data (Package|Pins)
Orderable Information

8.2.1 Design Requirements

For this design example, use the parameters listed in Table 8-1 as the input parameters.

Table 8-1 Design Parameters
DESIGN PARAMETER EXAMPLE VALUE
Input voltage 2.4 V to 5.5 V
Output voltage 1.8 V
Maximum peak output current 3 A

Table 8-2 lists the components used for the example.

Table 8-2 List of Components of Figure 8-1
REFERENCE DESCRIPTION MANUFACTURER(1)
C1 4.7 µF, Ceramic capacitor, 6.3 V, X7R, size 0603, JMK107BB7475MA Taiyo Yuden
C2, C3 10 µF, Ceramic capacitor, 10 V, X7R, size 0603, GRM188Z71A106MA73D Murata
C4 120 pF, Ceramic capacitor, 50 V, size 0603, GRM1885C1H121JA01D Murata
L1 0.24 µH, Power Inductor, size 0603, DFE160810S-R24M (DFE18SANR24MG0) Murata
R1 Depending on the output voltage, 1%, size 0603 Std
R2 100 kΩ, Chip resistor, 1/16 W, 1%, size 0603 Std
R3 100 kΩ, Chip resistor, 1/16 W, 1%, size 0603 Std
(1) See the Third-party Products disclaimer.
Table 8-3 List of Components of Figure 8-2, Smallest Solution
REFERENCE DESCRIPTION MANUFACTURER(1)
C1, C2, C3 10 µF, Ceramic capacitor, 6.3 V, X5R, size 0402, GRM155R60J106ME47 Murata
L1 0.24 µH, Power Inductor, size 0603, DFE160810S-R24M (DFE18SANR24MG0) Murata
R3 100 kΩ, Chip resistor, 1/16 W, size 0402 Std
(1) See the Third-party Products disclaimer.