SNVSC57 September   2022 LP5912-EP

PRODUCTION DATA  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
  4. 4 Revision History
  5. 5 Pin Configuration and 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 Output and Input Capacitors
    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 Enable (EN)
      2. 7.3.2 Output Automatic Discharge (RAD)
      3. 7.3.3 Reverse Current Protection (IRO)
      4. 7.3.4 Internal Current Limit (ISC)
      5. 7.3.5 Thermal Overload Protection (TSD)
      6. 7.3.6 Power-Good Output (PG)
    4. 7.4 Device Functional Modes
      1. 7.4.1 Enable (EN)
      2. 7.4.2 Minimum Operating Input Voltage (VIN)
  8. 8 Applications and Implementation
    1. 8.1 Application Information
    2. 8.2 Typical Application
      1. 8.2.1 Design Requirements
      2. 8.2.2 Detailed Design Procedure
        1. 8.2.2.1 External Capacitors
        2. 8.2.2.2 Input Capacitor
        3. 8.2.2.3 Output Capacitor
        4. 8.2.2.4 Capacitor Characteristics
        5. 8.2.2.5 Remote Capacitor Operation
        6. 8.2.2.6 Power Dissipation
        7. 8.2.2.7 Estimating Junction Temperature
      3. 8.2.3 Application Curves
    3. 8.3 Power Supply Recommendations
    4. 8.4 Layout
      1. 8.4.1 Layout Guidelines
      2. 8.4.2 Layout Example
  9. 9 Device and Documentation Support
    1. 9.1 Documentation Support
      1. 9.1.1 Related Documentation
    2. 9.2 Receiving Notification of Documentation Updates
    3. 9.3 Support Resources
    4. 9.4 Trademarks
  10. 10Electrostatic Discharge Caution
  11. 11Glossary
  12. 12Mechanical, Packaging, and Orderable Information

Package Options

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

1 Features

  • Input voltage range: 1.6 V to 6.5 V
  • Output voltage range: 0.8 V to 5.5 V
  • Output current: Up to 500 mA
  • Low output-voltage noise: 12 μVRMS (typ)
  • PSRR at 1 kHz: 75 dB (typ)
  • Output voltage tolerance (VOUT ≥ 3.3 V): ±2%
  • Low IQ (enabled, no load): 30 μA (typ)
  • Low dropout (VOUT ≥ 3.3 V):
    95 mV (typ) at 500-mA load
  • Stable with 1-µF ceramic input and output capacitors
  • Thermal-overload and short-circuit protection
  • Reverse current protection
  • No noise bypass capacitor required
  • Output automatic discharge for fast turnoff
  • Power-good output with 140-µs (typ) delay
  • Internal soft-start to limit inrush current
  • Operating junction temperature: –55°C to +125°C
  • Supports defense, aerospace, and medical applications:
    • Controlled baseline
    • One assembly and test site
    • One fabrication site
    • Extended product life cycle
    • Extended product-change notification
    • Product traceability
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