SNVS135E September   1999  – December 2014 LM2660

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 Handling Ratings
    3. 6.3 Recommended Operating Conditions
    4. 6.4 Thermal Information
    5. 6.5 Electrical Characteristics
    6. 6.6 Typical Characteristics
  7. 7 Parameter Measurement Information
    1. 7.1 Test Circuits
  8. 8 Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
      1. 8.3.1 Changing Oscillator Frequency
    4. 8.4 Device Functional Modes
  9. 9 Application and Implementation
    1. 9.1 Application Information
    2. 9.2 Typical Applications
      1. 9.2.1 Voltage Inverter
        1. 9.2.1.1 Design Requirements
        2. 9.2.1.2 Detailed Design Procedure
          1. 9.2.1.2.1 Capacitor Selection
          2. 9.2.1.2.2 Paralleling Devices
          3. 9.2.1.2.3 Cascading Devices
          4. 9.2.1.2.4 Regulating VOUT
        3. 9.2.1.3 Application Curves
      2. 9.2.2 Positive Voltage Doubler
        1. 9.2.2.1 Design Requirements
        2. 9.2.2.2 Detailed Design Procedure
        3. 9.2.2.3 Application Curves
  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 Trademarks
    3. 12.3 Electrostatic Discharge Caution
    4. 12.4 Glossary
  13. 13Mechanical, Packaging, and Orderable Information

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订购信息

5 Pin Configuration and Functions

SOIC (D) and VSSOP (DGK)
8 Pins
Top View
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Pin Functions

PIN TYPE DESCRIPTION
NUMBER NAME VOLTAGE INVERTER VOLTAGE DOUBLER
1 FC Input Frequency control for internal oscillator: Same as inverter.
FC = open, fOSC = 10 kHz (typ);
FC = V+, fOSC = 80 kHz (typ);
FC has no effect when OSC pin is driven externally.
2 CAP+ Power Connect this pin to the positive terminal of charge-pump capacitor. Same as inverter.
3 GND Ground Power supply ground input. Power supply positive voltage input.
4 CAP− Power Connect this pin to the negative terminal of charge-pump capacitor. Same as inverter.
5 OUT Power Negative voltage output. Power supply ground input.
6 LV Input Low-voltage operation input. Tie LV to GND when input voltage is less than 3.5 V. Above 3.5 V, LV can be connected to GND or left open. When driving OSC with an external clock, LV must be connected to GND. LV must be tied to OUT.
7 OSC Input Oscillator control input. OSC is connected to an internal 15-pF capacitor. An external capacitor can be connected to slow the oscillator. Also, an external clock can be used to drive OSC. Same as inverter except that OSC cannot be driven by an external clock.
8 V+ Power Power supply positive voltage input. Positive voltage output.
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