SLVSD87C december   2015  – may 2023 TPS65262-2

PRODUCTION DATA  

  1.   1
  2. Features
  3. Applications
  4. Description
  5. Revision History
  6. Pin Configuration and Functions
  7. 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
  8. Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1  Adjusting the Output Voltage
      2. 7.3.2  Enable and Adjusting Undervoltage Lockout
      3. 7.3.3  Soft-Start Time
      4. 7.3.4  Power-Up Sequencing
      5. 7.3.5  V7V Low Dropout Regulator and Bootstrap
      6. 7.3.6  Out-of-Phase Operation
      7. 7.3.7  Output Overvoltage Protection (OVP)
      8. 7.3.8  PSM
      9. 7.3.9  Slope Compensation
      10. 7.3.10 Overcurrent Protection
        1. 7.3.10.1 High-Side MOSFET Overcurrent Protection
        2. 7.3.10.2 Low-Side MOSFET Overcurrent Protection
      11. 7.3.11 Power Good
      12. 7.3.12 Thermal Shutdown
    4. 7.4 Device Functional Modes
      1. 7.4.1 Operation With VIN < 4.5 V (Minimum VIN)
      2. 7.4.2 Operation with EN Control
  9. Application and Implementation
    1. 8.1 Application Information
    2. 8.2 Typical Application
      1. 8.2.1 Design Requirements
      2. 8.2.2 Detailed Design Procedure
        1. 8.2.2.1 Output Inductor Selection
        2. 8.2.2.2 Output Capacitor Selection
        3. 8.2.2.3 Input Capacitor Selection
        4. 8.2.2.4 Loop Compensation
      3. 8.2.3 Application Curves
    3. 8.3 Power Supply Recommendations
    4. 8.4 Layout
      1. 8.4.1 Layout Guidelines
      2. 8.4.2 Layout Example
  10. Device and Documentation Support
    1. 9.1 Receiving Notification of Documentation Updates
    2. 9.2 Support Resources
    3. 9.3 Trademarks
    4. 9.4 Electrostatic Discharge Caution
    5. 9.5 Glossary
  11. 10Mechanical, Packaging, and Orderable Information

Package Options

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

Application Curves

TA = 25°C, VIN = 12 V, VOUT1 = 1.2 V, VOUT2 = 1.8 V, VOUT3 = 3.3 V, ƒSW = 600 kHz, PSM mode (unless otherwise noted)
TA = 25°C, VIN = 12 V, VOUT1 = 1.2 V, VOUT2 = 1.8 V, VOUT3 = 3.3 V, ƒSW = 600 kHz, PSM mode (unless otherwise noted)GUID-ED6FA3E1-1AAE-4930-9924-BE8896638C48-low.gifFigure 8-3 PSM Mode Buck1, Soft-Start with No Load. TA = 25°C, VIN = 12 V, VOUT1 = 1.2 V, VOUT2 = 1.8 V, VOUT3 = 3.3 V, ƒSW = 600 kHz, PSM mode (unless otherwise noted)
GUID-80B9CCB8-0708-416B-AACC-5A6212E43A75-low.gifFigure 8-5 PSM Mode Buck2, Soft-Start with No Load
GUID-AC8F12E3-7963-42F9-B224-0A1B26A7AA94-low.gifFigure 8-7 PSM Mode Buck3, Soft-Start With No Load
GUID-CD48B1D8-302E-4FD6-9E31-130A3AAA4286-low.gifFigure 8-9 PSM Mode Buck1, Steady State Operation with Light Load
GUID-029A6B11-6C82-4A0C-B74E-E2AA56A97DA6-low.gifFigure 8-11 PSM Mode Buck2, Steady State Operation With Light Load
GUID-1749F537-7347-40DD-A151-C5AC3362CE5F-low.gifFigure 8-13 PSM Mode Buck3, Steady State Operation with Light Load
GUID-27876F34-250F-41AA-801C-6CD079B54546-low.gifFigure 8-15 Buck1, Load Transient, 0.75 to 1.5 A SR = 0.25 A/µs
GUID-0644AB87-88CF-4A57-B259-8704BD8A258A-low.gifFigure 8-17 Buck2, Load Transient, 0.25 to 0.5 A SR = 0.25 A/µs
GUID-D60CBA38-F57F-4181-B2C6-C808B427AD50-low.gifFigure 8-19 Buck3, Load Transient, 0.25 to 0.5 A SR = 0.25 A/µs
GUID-C566F6F3-92B8-401F-ABB2-6F610C86CC8E-low.gifFigure 8-21 Buck1, Overcurrent Protection
GUID-67483D83-AF20-4F66-961C-6AF5E5428D0A-low.gifFigure 8-23 Buck2, Overcurrent Protection
GUID-0649D1DD-D39F-4319-84E4-E1B39B8AEA2C-low.gifFigure 8-25 Buck3, Overcurrent Protection
GUID-2DFFE76D-BE8B-4376-A167-212E47B69A2E-low.pngFigure 8-27 PWM Mode, Buck1, Soft-Start with No Load
GUID-B04D9B1E-4831-4A2C-A181-CB45C4E11173-low.pngFigure 8-29 PWM Mode, Buck2, Soft-Start with No Load
GUID-5CABB070-1E31-4B14-B481-4BA976394311-low.pngFigure 8-31 PWM Mode, Buck3, Soft-Start with No Load
GUID-56BE7D67-3B1D-48FE-B36D-9FFDA33B5EC3-low.pngFigure 8-33 PWM Mode, Buck1, Steady State Operation with No Load
GUID-482C0AFB-BBEF-48D5-8770-66131AA8EA7E-low.gif
Operating at VIN = 12 V VOUT1 = 1.2 V/1.5 A
VOUT3 = 3.3 V/0.5 A VOUT2 = 1.8 V/0.5 A
Figure 8-35 Thermal Signature of TPS65262-2EVM EVM Condition 4 Layers, 64 mm × 69 mm, TA = 30.5°C
GUID-8EA93B6D-3C1C-48CC-970D-55222EE60DA9-low.gifFigure 8-4 PSM Mode Buck1, Soft-Start With Full Load
GUID-A907B52A-FDF4-482E-B1D4-BA64F127C512-low.gifFigure 8-6 PSM Mode Buck2, Soft-Start with Full Load
GUID-8B3DB4C0-794C-4123-8204-DB76B2C0C5D7-low.gifFigure 8-8 PSM Mode Buck3, Soft-Start with Full Load
GUID-6D592A64-8914-4CFC-A40B-0A118BFD7C61-low.gifFigure 8-10 Buck1, Steady State Operation with Full Load
GUID-60763FBD-7141-4813-9F7E-CB898B64316C-low.gifFigure 8-12 Buck2, Steady State Operation with Full Load
GUID-9C8BFF1F-3F8B-4148-B145-7CCD3A8BE318-low.gifFigure 8-14 Buck3, Steady State Operation with Full Load
GUID-2AF9B389-D7C6-491A-A892-EC0A6CDBCCF3-low.gifFigure 8-16 Buck1, Load Transient, 1.5 to 2.25 A SR = 0.25 A/µs
GUID-B4257E28-5F2E-4BE1-BF3F-67C9BFD5F040-low.gifFigure 8-18 Buck2, Load Transient, 0.5 to 0.75 A SR = 0.25A/µs
GUID-45703585-D2B8-43D6-8BB6-9777C240DEB7-low.gifFigure 8-20 Buck3, Load Transient, 0.5 to 0.75 A SR = 0.25A/µs
GUID-C32E4967-A8A0-40FD-95A6-E9491050F29E-low.gifFigure 8-22 Buck1, Hiccup and Recovery
GUID-5A65573D-D638-4D40-B0B8-F1211B1934B2-low.gifFigure 8-24 Buck2, Hiccup and Recovery
GUID-5810FC79-B061-4BF1-AE6D-434AE8AB5218-low.gifFigure 8-26 Buck3, Hiccup and Recovery
GUID-9B293550-151E-4FF5-8E9C-2F88E69A6F31-low.pngFigure 8-28 PWM Mode, Buck1, Soft-Start with Full Load
GUID-D8D66C6C-DAA2-4EEE-856C-443CB2ED9602-low.pngFigure 8-30 PWM Mode, Buck2, Soft-Start with Full Load
GUID-D5B48A4B-29BE-4171-B312-4A7F51B8F530-low.pngFigure 8-32 PWM Mode, Buck3, Soft-Start with Full Load
GUID-7C263ACB-9AA8-42E3-8ADA-FF50466C4866-low.pngFigure 8-34 PWM Mode, Buck2, Steady State Operation with No Load
GUID-AB41DBC2-91D7-4E3C-B087-9CF86D5DA63C-low.gif
Operating at VIN = 12 V VOUT1 = 1.2 V/3 A
VOUT3 = 3.3 V/1 A VOUT2 = 1.8 V/1 A
Figure 8-36 Thermal Signature of TPS65262-2EVM EVM Condition 4 Layers, 64 mm × 69 mm, TA = 30.5°C