SLVSLZ3 August   2026 TLV612901

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 I2C Interface Timing Requirements
    7. 6.7 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 Overvoltage Protection
      13. 7.4.13 Thermal Shutdown
      14. 7.4.14 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
  9. 8 Register Maps
    1. 8.1 DeviceID Register
    2. 8.2 CONFIG Register
    3. 8.3 VOUTFLOORSET Register
    4. 8.4 ILIMBSTSET Register
    5. 8.5 VOUTROOFSET Register
    6. 8.6 STATUS Register
    7. 8.7 ILIMPTSET Register
    8. 8.8 BSTLOOP Register
  10. 9 Application and Implementation
    1. 9.1 Application Information
    2. 9.2 Typical Application
      1. 9.2.1 TLV612901 With 2.5V – 4.85V VIN, 5.0V VOUT, 3A Output Current
        1. 9.2.1.1 Design Requirements
        2. 9.2.1.2 Detailed Design Procedure
          1. 9.2.1.2.1 Inductor Selection
          2. 9.2.1.2.2 Output Capacitor
          3. 9.2.1.2.3 Input Capacitor
          4. 9.2.1.2.4 Checking Loop Stability
        3. 9.2.1.3 Application Curves
    3. 9.3 Power Supply Recommendations
    4. 9.4 Layout
      1. 9.4.1 Layout Guidelines
      2. 9.4.2 Layout Example
      3. 9.4.3 Thermal Information
  11. 10Device and Documentation Support
    1. 10.1 Device Support
      1. 10.1.1 Third-Party Products Disclaimer
    2. 10.2 Receiving Notification of Documentation Updates
    3. 10.3 Support Resources
    4. 10.4 Trademarks
    5. 10.5 Electrostatic Discharge Caution
    6. 10.6 Glossary
  12. 11Revision History
  13. 12Mechanical, Packaging, and Orderable Information
    1.     79

6.7 Typical Characteristics

Typical condition VIN = 2.5V to 4.5V, VOUT_TAR = 5.0V, TJ = 25°C, unless otherwise noted

TLV612901 Efficiency vs Output Current
VOUT_TAR = 5.0VAuto PFM
Figure 6-1 Efficiency vs Output Current
TLV612901 DC Output Voltage vs Output Current
VOUT_TAR = 5.0VAuto PFM / USM / FPWM
Figure 6-3 DC Output Voltage vs Output Current
TLV612901 Low side Rds(on) vs Junction Temperature
VIN = 3.2VVOUT_TAR = 5.0VTJ = –40 to 125°C
Figure 6-5 Low side Rds(on) vs Junction Temperature
TLV612901 Quiescent Current into VIN at Boost Mode vs Input Voltage
VIN = 1.8V to 4.4VVOUT_TAR = 5.0VIOUT = 0mA
EN = HighENABLE_bit = 01
Figure 6-7 Quiescent Current into VIN at Boost Mode vs Input Voltage
TLV612901 Quiescent Current at Auto Bypass Mode vs Input Voltage
VIN = 4.4 to 5.5VBypassIOUT = 0mA
EN = HighENABLE_bit = 01VOUT_TAR = 3.4V
Figure 6-9 Quiescent Current at Auto Bypass Mode vs Input Voltage
TLV612901 Shutdown Current with Active I2C Block vs Input Voltage
VIN = 1.8 to 5.5VENABLE_bit = 11EN = High
Figure 6-11 Shutdown Current with Active I2C Block vs Input Voltage
TLV612901 Efficiency vs Output Current
VOUT_TAR = 5.0VAuto PFM / USM / FPWM
Figure 6-2 Efficiency vs Output Current
TLV612901 High side Rds(on) vs Junction Temperature
VIN = 3.2VVOUT_TAR = 5.0VTJ = –40 to 125°C
Figure 6-4 High side Rds(on) vs Junction Temperature
TLV612901 Bypass FET Rds(on) vs Junction Temperature
VIN = 3.2VBypassTJ = –40 to 125°C
Figure 6-6 Bypass FET Rds(on) vs Junction Temperature
TLV612901 Quiescent Current at Forced Bypass Mode vs Input Voltage
VIN = 1.8 to 5.0VBypassIOUT = 0mA
EN = HighENABLE_bit = 10
Figure 6-8 Quiescent Current at Forced Bypass Mode vs Input Voltage
TLV612901 Shutdown Current at EN = Low vs Input Voltage
VIN = 1.8 to 5.5VVOUT = GNDEN = Low
Figure 6-10 Shutdown Current at EN = Low vs Input Voltage
TLV612901 VIN UVLO Threshold Rising/Falling vs Junction Temperature
VOUT_TAR = 5.0VTJ = –40 to 125°C
Figure 6-12 VIN UVLO Threshold Rising/Falling vs Junction Temperature