SNVS686K March   2011  – May 2024 LMZ22005

PRODUCTION DATA  

  1.   1
  2. 1 Features
  3. 2 Applications
  4. 3 Description
  5. 4 Pin Configuration and Functions
  6. 5 Specifications
    1. 5.1 Absolute Maximum Ratings
    2. 5.2 ESD Ratings
    3. 5.3 Recommended Operating Conditions
    4. 5.4 Thermal Information
    5. 5.5 Electrical Characteristics
    6. 5.6 Typical Characteristics
  7. 6 Detailed Description
    1. 6.1 Overview
    2. 6.2 Functional Block Diagram
    3. 6.3 Feature Description
      1. 6.3.1 Synchronization Input
      2. 6.3.2 Output Overvoltage Protection
      3. 6.3.3 Current Limit
      4. 6.3.4 Thermal Protection
      5. 6.3.5 Prebiased Start-Up
    4. 6.4 Device Functional Modes
      1. 6.4.1 Discontinuous And Continuous Conduction Modes
  8. 7 Application and Implementation
    1. 7.1 Application Information
    2. 7.2 Typical Application
      1. 7.2.1 Design Requirements
      2. 7.2.2 Detailed Design Procedure
        1. 7.2.2.1 Design Steps
        2. 7.2.2.2 Enable Divider, RENT, RENB and RENH Selection
        3. 7.2.2.3 Output Voltage Selection
        4. 7.2.2.4 Soft-start Capacitor Selection
        5. 7.2.2.5 Tracking Supply Divider Option
        6. 7.2.2.6 CO Selection
        7. 7.2.2.7 CIN Selection
        8. 7.2.2.8 Discontinuous And Continuous Conduction Modes Selection
      3. 7.2.3 Application Curves
  9. 8 Power Supply Recommendations
  10. 9 Layout
    1. 9.1 Layout Guidelines
    2. 9.2 Layout Examples
    3. 9.3 Power Dissipation and Thermal Considerations
    4. 9.4 Power Module SMT Guidelines
  11. 10Device and Documentation Support
    1. 10.1 Device Support
      1. 10.1.1 Development Support
    2. 10.2 Documentation Support
      1. 10.2.1 Related Documentation
    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

Package Options

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

5.6 Typical Characteristics

Unless otherwise specified, the following conditions apply: VIN = 12 V; CIN = 2 x 10 μF + 1-μF X7R Ceramic; CO = 220-μF Specialty Polymer + 10-µF Ceramic; TA = 25°C for waveforms. Efficiency and dissipation plots marked with * have cycle skipping at light loads resulting is slightly higher output ripple – See Design Steps section.

LMZ22005 Efficiency 6-V Output at 25°C Ambient
Figure 5-1 Efficiency 6-V Output at 25°C Ambient
LMZ22005 Efficiency 5-V Output at 25°C Ambient
Figure 5-3 Efficiency 5-V Output at 25°C Ambient
LMZ22005 Efficiency 3.3-V Output at 25°C Ambient
Figure 5-5 Efficiency 3.3-V Output at 25°C Ambient
LMZ22005 Efficiency 2.5-V Output at 25°C Ambient
Figure 5-7 Efficiency 2.5-V Output at 25°C Ambient
LMZ22005 Efficiency 1.8-V Output at 25°C Ambient
Figure 5-9 Efficiency 1.8-V Output at 25°C Ambient
LMZ22005 Efficiency 1.5-V Output at 25°C Ambient
Figure 5-11 Efficiency 1.5-V Output at 25°C Ambient
LMZ22005 Efficiency 1.2-V Output at 25°C Ambient
Figure 5-13 Efficiency 1.2-V Output at 25°C Ambient
LMZ22005 Efficiency 1-V Output at 25°C Ambient
Figure 5-15 Efficiency 1-V Output at 25°C Ambient
LMZ22005 Efficiency 0.8-V Output at 25°C Ambient
Figure 5-17 Efficiency 0.8-V Output at 25°C Ambient
LMZ22005 Efficiency 6-V Output at 85°C Ambient
Figure 5-19 Efficiency 6-V Output at 85°C Ambient
LMZ22005 Efficiency 5-V Output at 85°C Ambient
Figure 5-21 Efficiency 5-V Output at 85°C Ambient
LMZ22005 Efficiency 3.3-V Output at 85°C Ambient
Figure 5-23 Efficiency 3.3-V Output at 85°C Ambient
LMZ22005 Efficiency 2.5-V Output at 85°C Ambient
Figure 5-25 Efficiency 2.5-V Output at 85°C Ambient
LMZ22005 Efficiency 1.8-V Output at 85°C Ambient
Figure 5-27 Efficiency 1.8-V Output at 85°C Ambient
LMZ22005 Efficiency 1.5-V Output at 85°C Ambient
Figure 5-29 Efficiency 1.5-V Output at 85°C Ambient
LMZ22005 Efficiency 1.2-V Output at 85°C Ambient
Figure 5-31 Efficiency 1.2-V Output at 85°C Ambient
LMZ22005 Efficiency 1-V Output at 85°C Ambient
Figure 5-33 Efficiency 1-V Output at 85°C Ambient
LMZ22005 Efficiency 0.8-V at 85°C Ambient
Figure 5-35 Efficiency 0.8-V at 85°C Ambient
LMZ22005 Thermal Derating
VIN = 12 V, VOUT = 5 V
Figure 5-37 Thermal Derating
LMZ22005 Normalized — Line and Load Regulation
VOUT = 3.3 V
Figure 5-39 Normalized — Line and Load Regulation
LMZ22005 Output Ripple
12 VIN 3.3 VO at 5 A BW = 250 MHz
Figure 5-41 Output Ripple
LMZ22005 Short Circuit Current vs Input Voltage
Figure 5-43 Short Circuit Current vs Input Voltage
LMZ22005 Dissipation 6-V Output at 25°C Ambient
Figure 5-2 Dissipation 6-V Output at 25°C Ambient
LMZ22005 Dissipation 5-V Output at 25°C Ambient
Figure 5-4 Dissipation 5-V Output at 25°C Ambient
LMZ22005 Dissipation 3.3-V Output at 25°C Ambient
Figure 5-6 Dissipation 3.3-V Output at 25°C Ambient
LMZ22005 Dissipation 2.5-V Output at 25°C Ambient
Figure 5-8 Dissipation 2.5-V Output at 25°C Ambient
LMZ22005 Dissipation 1.8-V Output at 25°C Ambient
Figure 5-10 Dissipation 1.8-V Output at 25°C Ambient
LMZ22005 Dissipation 1.5-V Output at 25°C Ambient
Figure 5-12 Dissipation 1.5-V Output at 25°C Ambient
LMZ22005 Dissipation 1.2-V Output at 25°C Ambient
Figure 5-14 Dissipation 1.2-V Output at 25°C Ambient
LMZ22005 Dissipation 1-V Output at 25°C Ambient
Figure 5-16 Dissipation 1-V Output at 25°C Ambient
LMZ22005 Dissipation 0.8-V Output at 25°C Ambient
Figure 5-18 Dissipation 0.8-V Output at 25°C Ambient
LMZ22005 Dissipation 6-V Output at 85°C Ambient
Figure 5-20 Dissipation 6-V Output at 85°C Ambient
LMZ22005 Dissipation 5-V Output at 85°C Ambient
Figure 5-22 Dissipation 5-V Output at 85°C Ambient
LMZ22005 Dissipation 3.3-V Output at 85°C Ambient
Figure 5-24 Dissipation 3.3-V Output at 85°C Ambient
LMZ22005 Dissipation 2.5-V Output at 85°C Ambient
Figure 5-26 Dissipation 2.5-V Output at 85°C Ambient
LMZ22005 Dissipation 1.8-V Output at 85°C Ambient
Figure 5-28 Dissipation 1.8-V Output at 85°C Ambient
LMZ22005 Dissipation 1.5-V Output at 85°C Ambient
Figure 5-30 Dissipation 1.5-V Output at 85°C Ambient
LMZ22005 Dissipation 1.2-V Output at 85°C Ambient
Figure 5-32 Dissipation 1.2-V Output at 85°C Ambient
LMZ22005 Dissipation 1-V Output at 85°C Ambient
Figure 5-34 Dissipation 1-V Output at 85°C Ambient
LMZ22005 Dissipation 0.8-V Output at 85°C Ambient
Figure 5-36 Dissipation 0.8-V Output at 85°C Ambient
LMZ22005 Thermal Derating
VIN= 12 V, VOUT = 3.3 V
Figure 5-38 Thermal Derating
LMZ22005 Output Ripple
12 VIN 3.3 VO at 5 A, BW = 20 MHz
Figure 5-40 Output Ripple
LMZ22005 Transient Response From Evaluation Board
12 VIN 3.3 VO 0.5- to 5-A Step
Figure 5-42 Transient Response From Evaluation Board