SLVSBO4C October   2012  – December 2014

UNLESS OTHERWISE NOTED, this document contains PRODUCTION DATA.  

  1. 1 Features
  2. 2 Applications
  3. 3  Description
  4. 4 Revision History
  5. 5 Description (continued)
  6. 6 Device Voltage Options
  7. 7 Pin Configuration and Functions
  8. 8 Specifications
    1. 8.1 Absolute Maximum Ratings
    2. 8.2 Handling Ratings
    3. 8.3 Recommended Operating Conditions
    4. 8.4 Thermal Information
    5. 8.5 Electrical Characteristics
    6. 8.6 Typical Characteristics
  9. 9 Detailed Description
    1. 9.1 Overview
    2. 9.2 Functional Block Diagram
    3. 9.3 Feature Description
      1. 9.3.1 Step-Down (Buck) Converter Operation
      2. 9.3.2 Programming OUT Regulation Voltage and VIN_OK
      3. 9.3.3 Nano-Power Management and Efficiency
    4. 9.4 Device Functional Modes
      1. 9.4.1 Enable Controls
      2. 9.4.2 Startup Behavior
  10. 10Application and Implementation
    1. 10.1 Application Information
    2. 10.2 Typical Applications
      1. 10.2.1 TPS62737 3-Resistor Typical Application Circuit
        1. 10.2.1.1 Design Requirements
        2. 10.2.1.2 Detailed Design Procedure
          1. 10.2.1.2.1 Inductor Selection
          2. 10.2.1.2.2 Output Capacitor Selection
          3. 10.2.1.2.3 Input Capacitor Selection
          4. 10.2.1.2.4 Resistor Selection
        3. 10.2.1.3 Application Curves
      2. 10.2.2 TPS62736 4-Resistor Typical Application Circuit
        1. 10.2.2.1 Design Requirements
        2. 10.2.2.2 Detailed Design Procedure
        3. 10.2.2.3 Application Curves
  11. 11Power Supply Recommendations
  12. 12Layout
    1. 12.1 Layout Guidelines
    2. 12.2 Layout Example
  13. 13Device and Documentation Support
    1. 13.1 Device Support
      1. 13.1.1 Third-Party Products Disclaimer
    2. 13.2 Related Links
    3. 13.3 Trademarks
    4. 13.4 Electrostatic Discharge Caution
    5. 13.5 Glossary
  14. 14Mechanical, Packaging, and Orderable Information

7 Pin Configuration and Functions

TPS62736 RGY Package
14 Pins
Top View
pinout_slvsbo4.gif
TPS62737 RGY Package
14 Pins
Top View
pinout_737_slvsbo4.gif

Pin Functions

PIN DESCRIPTION
NAME TPS62736
RGY		 TPS62737
RGY		 TYPE
EN1 5 5 Input Digital input for chip enable, standby, and ship-mode. EN1 = 1 sets ship mode independent of EN2. EN1=0, EN2 = 0 disables the buck converter and sets standby mode. EN1=0, EN2=1 enables the buck converter.
Do not leave either pin floating.
EN2 6 6 Input
IN 1 1 Input Input supply to the buck regulator
NC 2, 3, 4, 14 4, 14 Input Connect to VSS
OUT 11 11 Output Step down (buck) regulator output
SW 13 2, 13 Input Inductor connection to switching node
Thermal Pad 15 15 Input Connect to VSS
VIN_OK 10 10 Output Push-pull digital output for power-good indicator for the input voltage.
Pulled up to VIN pin.
VIN_OK_SET 8 8 Input Resistor divider input for VIN_OK threshold. Pull to VIN to disable.
Do not leave pin floating.
VOUT_SET 9 9 Input Resistor divider input for VOUT regulation level
VRDIV 7 7 Output Resistor divider biasing voltage
VSS 12 3, 12 Input Ground connection for the device
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