SNVS536F October   2007  – July 2015 LM2757

PRODUCTION DATA.  

  1. Features
  2. Applications
  3. Description
  4. Revision History
  5. Device Options
  6. Pin Configuration and Functions
  7. Specifications
    1. 7.1 Absolute Maximum Ratings
    2. 7.2 ESD Ratings
    3. 7.3 Recommended Operating Conditions
    4. 7.4 Thermal Information
    5. 7.5 Electrical Characteristics
    6. 7.6 Typical Characteristics
  8. Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
      1. 8.3.1 Efficiency Performance
      2. 8.3.2 Soft Start
      3. 8.3.3 Thermal Shutdown
      4. 8.3.4 Current-Limit Protection
    4. 8.4 Device Functional Modes
      1. 8.4.1 Enable and Voltage Mode Selection
      2. 8.4.2 Shutdown With Output High Impedance
  9. Application and Implementation
    1. 9.1 Application Information
    2. 9.2 Typical Application
      1. 9.2.1 Switched-Capacitor Boost Regulator
        1. 9.2.1.1 Design Requirements
        2. 9.2.1.2 Detailed Design Procedure
          1. 9.2.1.2.1 Recommended Capacitor Types
          2. 9.2.1.2.2 Output Capacitor And Output Voltage Ripple
          3. 9.2.1.2.3 Input Capacitor And Input Voltage Ripple
          4. 9.2.1.2.4 Flying Capacitors
          5. 9.2.1.2.5 Recommended Capacitance
        3. 9.2.1.3 Application Curves
      2. 9.2.2 USB OTG / Mobile HDMI Power Supply
      3. 9.2.3 Supercapacitor Flash Driver
      4. 9.2.4 LED Driver
  10. 10Power Supply Recommendations
  11. 11Layout
    1. 11.1 Layout Guidelines
    2. 11.2 Layout Example
  12. 12Device and Documentation Support
    1. 12.1 Device Support
      1. 12.1.1 Third-Party Products Disclaimer
    2. 12.2 Documentation Support
      1. 12.2.1 Related Documentation
    3. 12.3 Community Resources
    4. 12.4 Trademarks
    5. 12.5 Electrostatic Discharge Caution
    6. 12.6 Glossary
  13. 13Mechanical, Packaging, and Orderable Information

6 Pin Configuration and Functions

YFQ Package
12-Pin DSBGA
Top View (left); Bottom View (right)
LM2757 30033702.gif

Pin Functions

PIN TYPE DESCRIPTION
NUMBER NAME
A1 C2+ Power Flying Capacitor C2 Connection
A2 VOUT Power Regulated Output Voltage
A3 C1+ Power Flying Capacitor C1 Connection
B1 C1− Power Flying Capacitor C1 Connection
B2 VIN Power Input Voltage Connection
B3 VIN Power Input Voltage Connection
C1 GND Ground Ground Connection
C2 GND Ground Ground Connection
C3 C2− Ground Flying Capacitor C2 Connection
D1 NC NC No Connect — Do not connect this pin to any node, voltage or GND. Must be left floating.
D2 M1 Logic input Mode select pin 1
D3 M0 Logic input Mode select pin 0