SNVSAJ2C March   2016  – June 2018 LMZ34202

PRODUCTION DATA.  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
    1.     Device Images
      1.      Simplified Application
      2.      Efficiency vs Output Current
  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 Switching Characteristics
    7. 6.7 Typical Characteristics
    8. 6.8 Typical Characteristics (Thermal Derating)
  7. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1  Adjusting the Output Voltage
      2. 7.3.2  Switching Frequency (RT)
      3. 7.3.3  Recommended Operating Range
      4. 7.3.4  Synchronization (CLK)
      5. 7.3.5  Output Capacitor Selection
      6. 7.3.6  VERSA-COMP Pin Configurations
      7. 7.3.7  Input Capacitor Selection
      8. 7.3.8  Output On/Off Inhibit (INH/UVLO)
      9. 7.3.9  Under Voltage Lockout (UVLO)
      10. 7.3.10 Remote Sense
      11. 7.3.11 VBSEL
      12. 7.3.12 Soft-Start (SS/TR)
      13. 7.3.13 Power Good (PWRGD) and Pull-up (PWRGD_PU)
      14. 7.3.14 Overcurrent Protection
      15. 7.3.15 Thermal Shutdown
    4. 7.4 Device Functional Modes
      1. 7.4.1 Active Mode
      2. 7.4.2 Light Load Operation
      3. 7.4.3 Shutdown Mode
  8. 8 Application and Implementation
    1. 8.1 Application Information
    2. 8.2 Typical Application
      1. 8.2.1 Minimum External Component Application
        1. 8.2.1.1 Design Requirements
        2. 8.2.1.2 Detailed Design Procedure
          1. 8.2.1.2.1 Custom Design With WEBENCH® Tools
          2. 8.2.1.2.2 Output Voltage Set-Point
          3. 8.2.1.2.3 RT and RTSEL
          4. 8.2.1.2.4 VERSA-COMP
          5. 8.2.1.2.5 VBSEL
          6. 8.2.1.2.6 Input Capacitors
          7. 8.2.1.2.7 Output Capacitors
        3. 8.2.1.3 Application Curves
      2. 8.2.2 INH Control Application
        1. 8.2.2.1 Design Requirements
      3. 8.2.3 Detailed Design Procedure
        1. 8.2.3.1 Switching Frequency
        2. 8.2.3.2 Power Good
        3. 8.2.3.3 Inhibit Control
        4. 8.2.3.4 VERSA-COMP
        5. 8.2.3.5 VBSEL
        6. 8.2.3.6 Soft-Start Capacitors
        7. 8.2.3.7 Input Capacitors
        8. 8.2.3.8 Output Capacitors
  9. 9 Power Supply Recommendations
  10. 10Layout
    1. 10.1 Layout Guidelines
    2. 10.2 Layout Example
    3. 10.3 EMI
  11. 11Device and Documentation Support
    1. 11.1 Device Support
      1. 11.1.1 Development Support
        1. 11.1.1.1 Custom Design With WEBENCH® Tools
      2. 11.1.2 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
    1. 12.1 Tape and Reel Information

Package Options

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

6.7 Typical Characteristics

TA = 25°C, unless otherwise noted.
LMZ34202 D001_LMZ36002D5Veff.gif
1.
PVIN = 5 V
Figure 1. Efficiency vs Output Current
LMZ34202 D002_LMZ36002D5Vpdis.gif
1.
PVIN = 5 V
Figure 3. Power Dissipation vs Output Current
LMZ34202 D003_LMZ36002D5Vrppl.gif
1.
PVIN = 5 V
Figure 5. Voltage Ripple vs Output Current
LMZ34202 D004_LMZ36002D12Veff.gif
1.
PVIN = 12 V
Figure 2. Efficiency vs Output Current
LMZ34202 D007_LMZ36002D12Vpdis2.gif
1.
PVIN = 12 V
Figure 4. Power Dissipation vs Output Current
LMZ34202 D006_LMZ36002D12Vrppl2.gif
1.
PVIN = 12 V
Figure 6. Voltage Ripple vs Output Current
LMZ34202 D007_LMZ36002D24Veff.gif
1.
PVIN = 24 V
Figure 7. Efficiency vs Output Current
LMZ34202 D008_LMZ36002D24Vpdis.gif
1.
PVIN = 24 V
Figure 9. Power Dissipation vs Output Current
LMZ34202 D009_LMZ36002D24Vrppl.gif
1.
PVIN = 24 V
Figure 11. Voltage Ripple vs Output Current
LMZ34202 D010_LMZ36002D24V5Veff.gif
1.
PVIN = 24 V
VOUT = 5 V over frequency range
Figure 8. Efficiency vs Output Current
LMZ34202 D011_LMZ36002D24V5Vpdis.gif
1.
PVIN = 24 V
VOUT = 5 V over frequency range
Figure 10. Power Dissipation vs Output Current
LMZ34202 D012_LMZ36002D24V5Vrppl.gif
1.
PVIN = 24 V
VOUT = 5 V over frequency range
Figure 12. Voltage Ripple vs Output Current
LMZ34202 D013_LMZ36002D36Veff.gif
1.
PVIN = 36V
Figure 13. Efficiency vs Output Current
LMZ34202 D015_LMZ36002D36Vrppl.gif
1.
PVIN = 36 V
Figure 15. Voltage Ripple vs Output Current
LMZ34202 D014_LMZ36002D36Vpdis.gif
1.
PVIN = 36 V
Figure 14. Power Dissipation vs Output Current