SLVSDY9A March   2017  – November 2022 TPS65263-1Q1

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  Adjusting the Output Voltage
      2. 7.3.2  Enable and Adjusting UVLO
      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
        1. 7.3.11.1 Adjustable Switching Frequency
      12. 7.3.12 Thermal Shutdown
    4. 7.4 Device Functional Modes
      1. 7.4.1 Serial Interface Description
      2. 7.4.2 I2C Update Sequence
    5. 7.5 Register Maps
      1. 7.5.1 VOUT2_SEL: Vout2 Voltage Selection Register (Address = 0x01H)
      2. 7.5.2 VOUT1_COM: Buck1 Command Register (offset = 0x03H)
      3. 7.5.3 VOUT2_COM: Buck2 Command Register (offset = 0x04H)
      4. 7.5.4 VOUT3_COM: Buck3 Command Register (offset = 0x05H)
      5. 7.5.5 SYS_STATUS: System Status Register (offset = 0x06H)
  8. 8 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
  9. 9 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
  10. 10Mechanical, Packaging, and Orderable Information

Package Options

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

8.2.3 Application Curves

GUID-E834BD77-EC7F-4C3B-8158-2C0D358969A5-low.png
Iout = 3 A
Figure 8-3 BUCK1, Soft Start
GUID-E0F91E35-FAB1-4370-9202-175BAFC7918E-low.png
Iout = 2 A
Figure 8-5 BUCK3, Soft Start
GUID-C96ED538-721C-4BC0-8E77-D6FEA107896D-low.png
Iout = 2 A
Figure 8-7 BUCK2, Output Voltage Ripple
GUID-4DA41089-70EE-4BB0-B727-90E82304153A-low.png
0.75 to 1.5 A SR = 0.25 A/µs
Figure 8-9 BUCK1, Load Transient
GUID-53C6181C-A0ED-4F62-B8B1-88236F86836E-low.png
0.5 to 1.0 A SR = 0.25 A/µs
Figure 8-11 BUCK2, Load Transient
GUID-9CDEAC58-BA22-4ADE-971D-457E1F06297B-low.png
0.5 to 1.0 A SR = 0.25 A/µs
Figure 8-13 BUCK3, Load Transient
GUID-C6F66B0C-6CE5-4640-B027-D6E5451CE9D9-low.png
Figure 8-15 BUCK1, Hiccup and Recovery
GUID-021624BA-B5D0-4D3A-93E1-C8D3349513D2-low.png
Figure 8-17 BUCK3, Hiccup and Recovery
GUID-36213872-F105-496D-BB0C-B94524AE211C-low.png
Figure 8-19 VID2 from 00 to 7F, SR = 10 mV/Cycle
GUID-B06CF9FB-6DB7-41A7-901E-26D559469AB6-low.png
Figure 8-21 180° Out-of-Phase
GUID-B4B0AE33-0A6C-4559-9887-E030E437DA82-low.png
Figure 8-23 Operation at VIN Drop to 2.5 V
GUID-F2D00BB7-24B2-45EB-BF83-93D43CF7163B-low.png
Iout = 2 A
Figure 8-4 BUCK2, Soft Start
GUID-2E0601B9-F167-4CF4-8E81-C5224BFEE6EE-low.png
A.
Iout = 3 A
Figure 8-6 BUCK1, Output Voltage Ripple
GUID-527C1998-FE3E-4876-8787-A521229E9C8E-low.png
Iout = 2 A
Figure 8-8 BUCK3, Output Voltage Ripple
GUID-DE296737-900A-442A-BA42-5FB6ACF7C85F-low.png
1.5 to 2.25 A SR = 0.25 A/µs
Figure 8-10 BUCK1, Load Transient
GUID-5A2579BB-B175-49A0-A3B8-A842AF34B18B-low.png
1.0 to 1.5 A SR = 0.25 A/µs
Figure 8-12 BUCK2, Load Transient
GUID-E9DFD398-5A60-4857-B2D7-C9743326ADD6-low.png
1.0 to 1.5 A SR = 0.25 A/µs
Figure 8-14 BUCK3, Load Transient
GUID-797C347D-3C83-4C41-BA3A-A245CD593197-low.png
Figure 8-16 BUCK2, Hiccup and Recovery
GUID-3C294DB8-3832-4E4B-A7FB-CBF2555C7E02-low.png
Figure 8-18 PGOOD
GUID-A5902C84-E804-40CB-9220-686E963EBA78-low.png
Figure 8-20 VID2 from 7F to 00, SR = 10 mV/Cycle
GUID-E95108F7-74A3-4ADA-B701-81DEC1C8770A-low.png
Figure 8-22 Synchronization With External Clock
GUID-BC23018F-2B71-4772-BF09-2D398B0564D9-low.png
VIN = 12 V, VOUT1 = 1.5 V/3 A, VOUT2 = 1.2 V/2 A,
VOUT3 = 2.5 V/2 A,
TA = 26.8°C EVM condition 4 layers, 75 mm × 75 mm
Figure 8-24 Thermal Signature of TPS65263-1Q1EVM Operating