SLVSI74A July   2025  – November 2025 TLV61290

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 System Characteristics
    7. 6.7 I2C Interface Timing Characteristics
    8. 6.8 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 Output Voltage Setting
      2. 7.3.2 Switching frequency and Spread Spectrum Function
    4. 7.4 Device Functional Modes
      1. 7.4.1  Enable and Start-up
      2. 7.4.2  Operation Mode Setting
      3. 7.4.3  Bypass Mode
      4. 7.4.4  Boost Control Operation
      5. 7.4.5  Auto PFM Mode
      6. 7.4.6  Forced PWM Mode
      7. 7.4.7  Ultrasonic Mode
      8. 7.4.8  Output Discharge
      9. 7.4.9  Undervoltage Lockout
      10. 7.4.10 Current Limit Operation
      11. 7.4.11 Output Short-to-Ground Protection
      12. 7.4.12 Thermal Shutdown
      13. 7.4.13 Power-Good Indication Status
    5. 7.5 Programming
      1. 7.5.1 Data Validity
      2. 7.5.2 START and STOP Conditions
      3. 7.5.3 Byte Format
      4. 7.5.4 Acknowledge (ACK) and Not Acknowledge (NACK)
      5. 7.5.5 Target Address and Data Direction Bit
      6. 7.5.6 Single Read and Write
      7. 7.5.7 Multi-Read and Multi-Write
    6. 7.6 Register Maps
      1. 7.6.1 DeviceID Register
      2. 7.6.2 CONFIG Register
      3. 7.6.3 VOUTFLOORSET Register
      4. 7.6.4 ILIMBSTSET Register
      5. 7.6.5 VOUTROOFSET Register
      6. 7.6.6 STATUS Register
      7. 7.6.7 ILIMPTSET Register
      8. 7.6.8 BSTLOOP Register
  9. 8 Application and Implementation
    1. 8.1 Application Information
    2. 8.2 Typical Application
      1. 8.2.1 TLV61290 with 2.5V-4.35V VIN, 3.4V VOUT, 4A Output Current
        1. 8.2.1.1 Design Requirement
        2. 8.2.1.2 Detailed Design Parameters
          1. 8.2.1.2.1 Inductor Selection
          2. 8.2.1.2.2 Output Capacitor
          3. 8.2.1.2.3 Input Capacitor
          4. 8.2.1.2.4 Checking Loop Stability
        3. 8.2.1.3 Application Curves
    3. 8.3 Power Supply Recommendations
    4. 8.4 Layout
      1. 8.4.1 Layout Guidelines
      2. 8.4.2 Layout Example
      3. 8.4.3 Thermal Information
  10. 9 Device and Documentation Support
    1. 9.1 Device Support
      1. 9.1.1 Third-Party Products Disclaimer
    2. 9.2 Receiving Notification of Documentation Updates
    3. 9.3 Support Resources
    4. 9.4 Trademarks
    5. 9.5 Electrostatic Discharge Caution
    6. 9.6 Glossary
  11. 10Revision History
  12. 11Mechanical, Packaging, and Orderable Information
    1.     79

8.2.1.3 Application Curves

Typical condition VIN = 2.5V to 4.35V, VOUT_TAR = 3.4V, TJ = 25°C, unless otherwise noted

TLV61290 Boost to bypass Mode Exit / Entry
VOUT_TAR = 3.4VTA = 25°CAuto PFMLoad = 100mA
Figure 8-2 Boost to bypass Mode Exit / Entry
TLV61290 Line Transient Response
VOUT_TAR = 3.4VTA = 25°CAuto PFMLoad = 4A
VIN = 2V to 3.4V with 20µs slew rate
Figure 8-4 Line Transient Response
TLV61290 Line Sweep
VOUT_TAR = 3.4VTA = 25°CAuto PFMLoad = 4A
VIN = 5V to 2.2V sweep
Figure 8-6 Line Sweep
TLV61290 Start-Up by VIN
VOUT_TAR = 3.4VVIN = 2.7VAuto PFM10Ω Load
Figure 8-8 Start-Up by VIN
TLV61290 Current Limit Operation at Boost Mode
VIN = 2.7VAuto PFMLoad = 2A to 6A
Figure 8-10 Current Limit Operation at Boost Mode
TLV61290 Switching Waveform at Light Load
VOUT_TAR = 3.4VVIN = 2.7VAuto PFMLoad = 5mA
Figure 8-12 Switching Waveform at Light Load
TLV61290 Switching Waveform at Heavy Load
VOUT_TAR = 3.4VVIN = 2.7VAuto PFMLoad = 3A
Figure 8-14 Switching Waveform at Heavy Load
TLV61290 Boost to bypass Mode Exit / Entry
VOUT_TAR = 3.4VTA = 25°CAuto PFMLoad = 3A
Figure 8-3 Boost to bypass Mode Exit / Entry
TLV61290 Load Transient Response
VOUT_TAR = 3.4VVIN = 2.7VAuto PFM
Load = 0.1A - 3A, 0.2A/µs slew rate
Figure 8-5 Load Transient Response
TLV61290 Load Sweep
VOUT_TAR = 3.4VVIN = 2.7VAuto PFM
Load = 0A to 5A sweep
Figure 8-7 Load Sweep
TLV61290 Start-Up by EN
VOUT_TAR = 3.4VVIN = 2.7VAuto PFM10Ω Load
Figure 8-9 Start-Up by EN
TLV61290 Current Limit Operation at Bypass Mode
VIN = 4VAuto PFMLoad = 2A to 10A
Figure 8-11 Current Limit Operation at Bypass Mode
TLV61290 Switching Waveform at Light Load
VOUT_TAR = 3.4VVIN = 2.7VUSMLoad = 5mA
Figure 8-13 Switching Waveform at Light Load
TLV61290 Output Short to Ground Protection
VOUT_TAR = 3.4VVIN = 2.7VAuto PFMLoad = 3A
Figure 8-15 Output Short to Ground Protection