SNVSA56B May   2015  – February 2017 LM2776

PRODUCTION DATA.  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
    1.     Device Images
      1.      Typical Application
      2.      Output Impedance vs Input Voltage IOUT = 100 mA
  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
  7. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1 Input Current Limit
      2. 7.3.2 PFM Operation
      3. 7.3.3 Output Discharge
      4. 7.3.4 Thermal Shutdown
      5. 7.3.5 Undervoltage Lockout
    4. 7.4 Device Functional Modes
      1. 7.4.1 Shutdown Mode
      2. 7.4.2 Enable Mode
  8. 8 Application and Implementation
    1. 8.1 Application Information
    2. 8.2 Typical Application - Voltage Inverter
      1. 8.2.1 Design Requirements
      2. 8.2.2 Detailed Design Requirements
        1. 8.2.2.1 Efficiency
        2. 8.2.2.2 Power Dissipation
        3. 8.2.2.3 Capacitor Selection
        4. 8.2.2.4 Output Capacitor and Output Voltage Ripple
        5. 8.2.2.5 Input Capacitor
        6. 8.2.2.6 Flying Capacitor
      3. 8.2.3 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 Device Support
      1. 11.1.1 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

Package Options

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

6.7 Typical Characteristics

(Typical Application circuit, VIN = 3.6 V unless otherwise specified.)
LM2776 D001_SNVSA56.gif
VIN = 5.5 V
Figure 1. Output Ripple vs Output Current
LM2776 D002_SNVSA56.gif
IOUT = 100 mA
Figure 2. Output Ripple vs Input Voltage
LM2776 D003_SNVSA56.gif
Figure 3. Shutdown Current vs Input Voltage
LM2776 D006_SNVSA56-LM2776.gif
VIN = 5.5 V
Figure 5. Output Impedance vs Output Current
LM2776 D008_SNVSA56-LM2776.gif
VIN = 3.6 V
Figure 7. Efficiency vs Output Current
LM2776 D010_SNVSA56-LM2776.gif
VIN = 3.6 V
Figure 9. Output Voltage vs Output Current
LM2776 5.5V_Ripple_0mA_snvsa56.gif
IOUT = 0 mA VIN = 5.5 V
Figure 11. Unloaded Output Voltage Ripple
LM2776 EN_high_snvsa56.gif
EN = 1 VIN = 5.5 V IOUT = 100 mA
Figure 13. EN High
LM2776 Line_Step_5.5_to_5_snvsa56.gif
IOUT = 75 mA
Figure 15. Line Step 5.5 V to 5 V
LM2776 Output_Short_5.5V_snvsa56.gif
VIN = 5.5 V
Figure 17. Output Short
LM2776 D004_SNVSA56.gif
No load
Figure 4. Quiescent Current vs Input Voltage
LM2776 D007_SNVSA56-LM2776.gif
VIN = 5.5 V
Figure 6. Efficiency vs Output Current
LM2776 D009_SNVSA56-LM2776.gif
VIN = 5.5 V
Figure 8. Output Voltage vs Output Current
LM2776 D011_SNVSA56.gif
IOUT = 150 mA
Figure 10. Frequency vs Input Voltage
LM2776 5.5V_Ripple_200mA_snvsa56.gif
IOUT = 200 mA VIN = 5.5 V
Figure 12. Loaded Output Voltage Ripple
LM2776 EN_low_snvsa56.gif
EN = 0 VIN = 5.5 V IOUT = 100 mA
Figure 14. EN Low
LM2776 Loadstep_10_to_100_snvsa56.gif
VIN = 5.5 V
Figure 16. Load Step 10 mA to 100 mA