SLVSDV2 March   2017 TPS62136

PRODUCTION DATA.  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
  4. 4 Revision History
  5. 5 Device Comparison Table
  6. 6 Pin Configuration and Functions
  7. 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. 8 Parameter Measurement Information
    1. 8.1 Schematic
  9. 9 Detailed Description
    1. 9.1 Overview
    2. 9.2 Functional Block Diagram
    3. 9.3 Feature Description
      1. 9.3.1 Precise Enable
      2. 9.3.2 Power Good (PG)
      3. 9.3.3 Pin-Selectable Output Voltage (VSEL and FB2)
      4. 9.3.4 MODE
      5. 9.3.5 Undervoltage Lockout (UVLO)
      6. 9.3.6 Thermal Shutdown
    4. 9.4 Device Functional Modes
      1. 9.4.1 Pulse Width Modulation (PWM) Operation
      2. 9.4.2 Power Save Mode Operation (PWM/PFM)
      3. 9.4.3 100% Duty-Cycle Operation
      4. 9.4.4 HICCUP Current Limit And Short Circuit Protection (TPS62136 only)
      5. 9.4.5 Current Limit And Short Circuit Protection (TPS621361 only)
      6. 9.4.6 Soft-Start / Tracking (SS/TR)
      7. 9.4.7 Output Discharge Function (TPS62136 only)
      8. 9.4.8 Starting into a Pre-Biased Load (TPS621361 only)
  10. 10Application and Implementation
    1. 10.1 Application Information
      1. 10.1.1 Programming the Output Voltage
      2. 10.1.2 External Component Selection
      3. 10.1.3 Inductor Selection
      4. 10.1.4 Capacitor Selection
        1. 10.1.4.1 Output Capacitor
        2. 10.1.4.2 Input Capacitor
        3. 10.1.4.3 Soft-Start Capacitor
      5. 10.1.5 Tracking Function
      6. 10.1.6 Output Filter and Loop Stability
    2. 10.2 Typical Applications
      1. 10.2.1 Typical Application with Adjustable Output Voltage
        1. 10.2.1.1 Design Requirements
        2. 10.2.1.2 Detailed Design Procedure
        3. 10.2.1.3 Application Curves
      2. 10.2.2 Typical Application using VSEL and FB2
        1. 10.2.2.1 Design Requirements
        2. 10.2.2.2 Detailed Design Procedure
        3. 10.2.2.3 Application Curves
    3. 10.3 System Examples
      1. 10.3.1 LED Power Supply
      2. 10.3.2 Powering Multiple Loads
      3. 10.3.3 Voltage Tracking
      4. 10.3.4 Precise Soft-Start Timing
  11. 11Power Supply Recommendations
  12. 12Layout
    1. 12.1 Layout Guidelines
    2. 12.2 Layout Example
    3. 12.3 Thermal Considerations
  13. 13Device and Documentation Support
    1. 13.1 Device Support
      1. 13.1.1 Third-Party Products Disclaimer
    2. 13.2 Receiving Notification of Documentation Updates
    3. 13.3 Related Links
    4. 13.4 Community Resources
    5. 13.5 Trademarks
    6. 13.6 Electrostatic Discharge Caution
    7. 13.7 Glossary
  14. 14Mechanical, Packaging, and Orderable Information

封装选项

机械数据 (封装 | 引脚)
散热焊盘机械数据 (封装 | 引脚)
订购信息

6 Pin Configuration and Functions

RGX Package
11-Pin VQFN
TPS62136 TPS621361 TPS62135_packagedrawing_2.gif

Pin Functions

PIN I/O DESCRIPTION
NAME NUMBER
EN 8 I This is the enable pin of the device. Connect to logic low to disable the device. Pull high to enable the device. Do not leave this pin unconnected.
FB 5 I Voltage feedback input, connect resistive output voltage divider to this pin.
FB2 4 O Open drain of an internal switch to GND. Allows to turn on a resistor in parallel to the feedback resistor R2 and increase the output voltage with VSEL = high.
GND 3 Ground pin.
MODE 10 I The device runs in PFM/PWM mode when this pin is pulled low. When the pin is pulled high, the device runs in forced PWM mode. Do not leave this pin unconnected.
PG 7 O Open drain power good output.
SS/TR 9 I Soft-Start / Tracking pin. An external capacitor connected from this pin to GND defines the rise time for the internal reference voltage. The pin can also be used as an input for tracking and sequencing - see Detailed Description section in this document.
SW 2 This is the switch pin of the converter and is connected to the internal Power MOSFETs.
VIN 1 Power supply input. Make sure the input capacitor is connected as close as possible between pin VIN and GND.
VOS 6 I Output voltage sense pin. Connect directly to the positive pin of the output capacitor.
VSEL 11 I Voltage scaling control input. Turns on an internal switch from FB2 to GND when this pin is set high.
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