SNVS153F May   2001  – September 2016 LM2698

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 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 Inductor
      2. 7.3.2 Current Limit
      3. 7.3.3 Diode
      4. 7.3.4 Input Capacitor
      5. 7.3.5 Output Capacitor
    4. 7.4 Device Functional Modes
      1. 7.4.1 Continuous Conduction Mode
  8. 8 Application and Implementation
    1. 8.1 Application Information
    2. 8.2 Typical Applications
      1. 8.2.1 1.25-MHz Boost Converter
        1. 8.2.1.1 Design Requirements
        2. 8.2.1.2 Detailed Design Procedure
          1. 8.2.1.2.1 Compensation
            1. 8.2.1.2.1.1 Quick Compensator Design
            2. 8.2.1.2.1.2 Improving Transient Response Time
            3. 8.2.1.2.1.3 Additional Comments on the Open Loop Frequency Response
        3. 8.2.1.3 Application Curves
      2. 8.2.2 3.3-V SEPIC
        1. 8.2.2.1 Design Requirements
        2. 8.2.2.2 Detailed Design Procedure
        3. 8.2.2.3 Application Curve
      3. 8.2.3 Level-Shifted SEPIC
        1. 8.2.3.1 Design Requirements
  9. 9 Power Supply Recommendations
  10. 10Layout
    1. 10.1 Layout Guidelines
    2. 10.2 Layout Examples
  11. 11Device and Documentation Support
    1. 11.1 Receiving Notification of Documentation Updates
    2. 11.2 Community Resources
    3. 11.3 Trademarks
    4. 11.4 Electrostatic Discharge Caution
    5. 11.5 Glossary
  12. 12Mechanical, Packaging, and Orderable Information

Package Options

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

5 Pin Configuration and Functions

DGK Package
8-Pin VSSOP
Top View

Pin Functions

PIN TYPE(1) DESCRIPTION
NO. NAME
1 VC A Compensation network connection. Connected to the output of the voltage error amplifier.
2 FB A Output voltage feedback input.
3 SHDN I Shutdown control input, active low.
4 GND G Analog and power ground.
5 VSW A Power switch input. Switch connected between SW pin and GND pin.
6 VIN P Analog power input.
7 FSLCT I Switching frequency select input. VIN= 1.25 MHz. Ground = 600 kHz.
8 NC — Connect to ground.
(1) A = Analog, G = Ground, I = Input, P = Power