SLVSFG3 April   2020 TPS92612

PRODUCTION DATA.  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
    1.     Typical Application Diagram
  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 Timing Requirements
    7. 6.7 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 Device Bias
        1. 7.3.1.1 Power-On Reset (POR)
      2. 7.3.2 Constant-Current Driver
      3. 7.3.3 PWM Control
      4. 7.3.4 Protection
        1. 7.3.4.1 Short-to-GND Protection
        2. 7.3.4.2 Over Temperature Protection
    4. 7.4 Device Functional Modes
      1. 7.4.1 Undervoltage Lockout, V(SUPPLY)< V(POR_rising)
      2. 7.4.2 Normal State, V(SUPPLY) ≥ 4.5 V
  8. 8 Application and Implementation
    1. 8.1 Application Information
    2. 8.2 Typical Application
      1. 8.2.1 Single LED Driver
        1. 8.2.1.1 Design Requirements
        2. 8.2.1.2 Detailed Design Procedure
        3. 8.2.1.3 Application Curve
      2. 8.2.2 Single-Channel LED Driver With Heat Sharing
        1. 8.2.2.1 Design Requirements
        2. 8.2.2.2 Detailed Design Procedure
        3. 8.2.2.3 Application Curve
  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 Receiving Notification of Documentation Updates
    2. 11.2 Support Resources
    3. 11.3 Trademarks
    4. 11.4 Electrostatic Discharge Caution
    5. 11.5 Glossary
  12. 12Mechanical, Packaging, and Orderable Information

Package Options

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

6.7 Typical Characteristics

TPS92612 D001-IOUT-SUPPLY-SLDS233.gif
TA = 25 °C
Figure 2. Output Current vs Supply Voltage
TPS92612 D002-IOUT-VDROP-SLDS233.gif
TA = 25 °C
Figure 4. Output Current vs Dropout Voltage
TPS92612 D005_SLVSFG3.gif
I(OUT) setting = 150 mA V(SUPPLY)-V(OUT) = 2 V
Figure 6. Output Current vs Temperature
TPS92612 tps92612-typical-char-pwm-200Hz.gif
Ch. 1 = SUPPLY Ch. 2 = V(PWM) Ch. 4 = I(OUT)
f(PWM) = 200 Hz Duty-cycle = 50%
Figure 8. PWM Dimming at 200 Hz
TPS92612 typ-app-led-open-circuit-slds237.gif
Ch. 1 = SUPPLY Ch. 2 = V(OUT) Ch. 4 = I(OUT)
Figure 10. LED Open-Circuit and Recovery
TPS92612 D002_SLVSFG3.gif
Figure 3. Output Current vs Current-Sense Resistor
TPS92612 D003-VDROP-TEMP-SLDS233.gif
I(OUT) setting = 150 mA
Figure 5. Output Current vs Dropout Voltage
TPS92612 D005-PWMIN-OUT-SLDS233.gif
f(PWM) = 200 Hz
Figure 7. PWM Output Duty Cycle vs Input Duty Cycle
TPS92612 tps92612-typical-char-pwm-2kHz.gif
Ch. 1 = SUPPLY Ch. 2 = V(PWM) Ch. 4 = I(OUT)
f(PWM) = 2 kHz Duty-cycle = 50%
Figure 9. PWM Dimming at 2 kHz
TPS92612 typ-app-led-short-slds237.gif
Ch. 1 = SUPPLY Ch. 2 = V(OUT) Ch. 4 = I(OUT)
Figure 11. LED Short-Circuit Protection and Recovery