SLVSEX0A March   2019  – July 2019

PRODUCTION DATA.  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
    1.     Device Images
      1.      Simplified Schematic
  4. 4 Revision History
  5. 5 Pin Configuration and Functions
    1.     Pin Functions
  6. 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
  7. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1 Undervoltage Lockout
      2. 7.3.2 Enable and Disable
      3. 7.3.3 Soft Start
      4. 7.3.4 Frequency Select (FREQ)
    4. 7.4 Device Functional Modes
      1. 7.4.1 PWM Mode
      2. 7.4.2 PFM Mode
  8. 8 Application and Implementation
    1. 8.1 Application Information
    2. 8.2 Typical Applications
      1. 8.2.1 12-V Output Boost Converter With External Bias
        1. 8.2.1.1 Design Requirements
        2. 8.2.1.2 Detailed Design Procedure
          1. 8.2.1.2.1 Programming the Output Voltage
          2. 8.2.1.2.2 Inductor Selection
          3. 8.2.1.2.3 Input and Output Capacitor Selection
          4. 8.2.1.2.4 Diode Rectifier Selection
        3. 8.2.1.3 Application Curves
      2. 8.2.2 14-V Output Boost Converter
        1. 8.2.2.1 Design Requirements
        2. 8.2.2.2 Detailed Design Procedure
          1. 8.2.2.2.1 Inductor Selection
          2. 8.2.2.2.2 Input and Output Capacitor Selection
  9. 9 Power Supply Recommendations
  10. 10Layout
    1. 10.1 Layout Guidelines
    2. 10.2 Layout Example
  11. 11Device and Documentation Support
    1. 11.1 Device Support
      1. 11.1.1 Third-Party Products Disclaimer
    2. 11.2 Receiving Notification of Documentation Updates
    3. 11.3 Community Resources
    4. 11.4 Trademarks
    5. 11.5 Electrostatic Discharge Caution
    6. 11.6 Glossary
  12. 12Mechanical, Packaging, and Orderable Information

6.6 Typical Characteristics

VIN = 3.3 V, VOUT = 12 V, TA = 25°C, unless otherwise noted
TLV61048 D005_SLVSEX0.gif
1.
VIN = 3.3 V VOUT = 12 V VBAT is Power Stage Input
Figure 1. Efficiency vs Output Current
TLV61048 D003_SLVSEX0.gif
VIN = 3.3 V VOUT = 12 V PWM mode
Figure 3. FB Reference Voltage vs Temperature
TLV61048 D002_SLVSEX0.gif
1.
VIN = 2.7 V ~ 5.5 V VOUT = 12 V No Switching
Figure 5. Quiescent Current into VIN vs Input Voltage
TLV61048 D006_SLVSEX0.gif
1.
VOUT = 12 V VIN = VBAT
Figure 2. Efficiency vs Output Current
TLV61048 D001_SLVSEX0.gif
1.
VIN = 3.3 V VOUT = 12 V No Switching
Figure 4. Quiescent Current into VIN vs Temperature
TLV61048 D004_SLVSEX0.gif
1.
VIN = 3.3 V VOUT = 12 V
Figure 6. Current Limit vs Temperature