SNVSCQ2A March   2025  – August 2025 LP5817

PRODUCTION DATA  

  1.   1
  2. 1 Features
  3. 2 Applications
  4. 3 Description
  5. 4 Device Comparison
  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 Timing Requirements
    7. 6.7 Timing Diagrams
    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 Analog Dimming
      2. 7.3.2 PWM Dimming
      3. 7.3.3 Sloper
      4. 7.3.4 Protections
        1. 7.3.4.1 UVLO
        2. 7.3.4.2 Thermal Shutdown
    4. 7.4 Device Functional Modes
      1. 7.4.1 Initialization Mode
      2. 7.4.2 Standby and Normal Mode
      3. 7.4.3 Shutdown Mode
      4. 7.4.4 Thermal Shutdown Mode
    5. 7.5 Programming
      1. 7.5.1 I2C Data Tansactions
      2. 7.5.2 I2C Data Format
      3. 7.5.3 Command Description
    6. 7.6 Register Maps
  9. 8 Application and Implementation
    1. 8.1 Application Information
    2. 8.2 Typical Application
      1. 8.2.1 Application
      2. 8.2.2 Design Parameters
      3. 8.2.3 Detailed Design Procedure
        1. 8.2.3.1 Program Procedure
        2. 8.2.3.2 Programming Example
      4. 8.2.4 Application Performance Plots
    3. 8.3 Power Supply Recommendations
    4. 8.4 Layout
      1. 8.4.1 Layout Guidelines
      2. 8.4.2 Layout Example
  10. 9 Device and Documentation Support
    1. 9.1 Documentation Support
    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

Package Options

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

1 Features

  • Operating voltage range
    • VCC range: 2.5V to 5.5V
    • Logic pins compatible with 1.8V, 3.3V, and 5V
    • Output voltage up to 5.5V
  • 3 constant current sinks with high precision
    • 0.1mA to 51mA per channel
    • Device-to-device error: ±8% (max.)
    • Channel-to-channel error: ±3% (max.)
    • Ultra-low headroom voltage: 135mV (max.) at 25.5mA; 275mV (max.) at 51mA
  • Ultra-low power consumption
    • Shutdown: ISD = 0.1μA (typ.)
    • Standby: ISTB = 22μA (typ.)
    • Active:
      • INOR = 0.15mA (typ.) when disable output channel
      • INOR = 0.23mA (typ.) when LED current = 25.5mA
  • Analog dimming (current gain control)
    • Global 1-bit Maximum Current (MC): 25.5mA or 51mA
    • Individual 8-bits Dot Current (DC) setting
  • PWM dimming up to audible-noise-free 23kHz
    • Individual 8-bits PWM dimming resolution
    • Linear or exponential dimming curves
  • 400kHz (max.) I2C interface
  • ESD: 4kV HBM, 1.5kV CDM
  • Package
    • 1.6mm*2.1mm SOT583-8 with 0.5mm pitch
    • 1.36mm*0.8mm DSBGA-8 with 0.35mm pitch
  • –40°C to 125°C operating temperature range