SLVSEP0F August   2019  – November 2021 TPSM82821 , TPSM82821A , TPSM82822 , TPSM82822A , TPSM82823 , TPSM82823A

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 Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
      1. 8.3.1 PWM and PSM Operation
      2. 8.3.2 Low Dropout Operation (100% Duty Cycle)
      3. 8.3.3 Soft Start-up
      4. 8.3.4 Switch Current Limit and Hiccup Short Circuit Protection
      5. 8.3.5 Undervoltage Lockout
      6. 8.3.6 Thermal Shutdown
    4. 8.4 Device Functional Modes
      1. 8.4.1 Enable and Disable
      2. 8.4.2 Output Discharge
      3. 8.4.3 Power Good Output
  9. 9 Application and Implementation
    1. 9.1 Application Information
    2. 9.2 Typical Applications
      1. 9.2.1 1.8-V Output Application
        1. 9.2.1.1 Design Requirements
        2. 9.2.1.2 Detailed Design Procedure
          1. 9.2.1.2.1 Setting the Output Voltage
          2. 9.2.1.2.2 Feedforward capacitor
          3. 9.2.1.2.3 Input and Output Capacitor Selection
        3. 9.2.1.3 Application Performance Curves
          1. 9.2.1.3.1 TPSM82821 Performance Curves
          2. 9.2.1.3.2 TPSM82821A Performance Curves
          3. 9.2.1.3.3 TPSM82822 Performance Curves
          4. 9.2.1.3.4 TPSM82822A Performance Curves
          5. 9.2.1.3.5 TPSM82823 Performance Curves
          6. 9.2.1.3.6 TPSM82823A Performance Curves
  10. 10Power Supply Recommendations
  11. 11Layout
    1. 11.1 Layout Guidelines
    2. 11.2 Layout Example
      1. 11.2.1 Thermal Consideration
  12. 12Device and Documentation Support
    1. 12.1 Device Support
      1. 12.1.1 Third-Party Products Disclaimer
      2. 12.1.2 Development Support
        1. 12.1.2.1 Models and Simulators
    2. 12.2 Documentation Support
      1. 12.2.1 Related Documentation
    3. 12.3 Receiving Notification of Documentation Updates
    4. 12.4 Trademarks
    5. 12.5 Electrostatic Discharge Caution
    6. 12.6 Glossary

Package Options

Refer to the PDF data sheet for device specific package drawings

Mechanical Data (Package|Pins)
  • SIL|10
Thermal pad, mechanical data (Package|Pins)
Orderable Information
9.2.1.3.1 TPSM82821 Performance Curves
VIN = 5 VTA = 25°CTPSM82821
Figure 9-3 Efficiency
VIN = 4.2 VTA = 25°CTPSM82821
Figure 9-5 Efficiency
VIN = 3.3 VTA = 25°CTPSM82821
Figure 9-7 Efficiency
VIN = 2.4 VTA = 25°CTPSM82821
Figure 9-9 Efficiency
GUID-20200721-CA0I-KJQP-6SFS-MKMQQKNB7JVC-low.gif
VOUT = 0.6 V TPSM82821 RθJA = 64.3°C/W
Figure 9-11 Safe Operating Area
GUID-20200721-CA0I-7WNK-SGJG-BQMPJKV9GNVB-low.gif
VOUT = 1.8 VTPSM82821RθJA = 64.3°C/W
Figure 9-13 Safe Operating Area
GUID-20200721-CA0I-BRNM-HXG5-77T70FWQBBTW-low.gif
VOUT = 3.3 VTPSM82821RθJA = 64.3°C/W
Figure 9-15 Safe Operating Area
GUID-ADBD20A3-D1D8-4E8B-854F-1A0899FA9AE2-low.gif
VOUT = 1.2 VTPSM82821
Figure 9-17 Load Regulation
GUID-A1D16554-C3A8-4642-BA0E-83D1621CF6B0-low.gif
VOUT = 2.5 VTPSM82821
Figure 9-19 Load Regulation
GUID-2A803869-1B4F-4D35-BF91-2DBB164EEB0F-low.gif
VOUT = 0.6 VTPSM82821
Figure 9-21 Line Regulation
GUID-0B060BA7-BE8A-4228-B500-C8F3793F49F6-low.gif
VOUT = 1.8 VTPSM82821
Figure 9-23 Line Regulation
GUID-83E082D0-1583-4083-8C51-FB558783E2FE-low.gif
IOUT = 0 A to 1 ASlew Rate = 2 A/µsTPSM82821
Figure 9-25 Load Transient
RLOAD = 2.2 Ω, VIN = 5.5 V (battery supply), VOUT = 1.8 V, tested on TPSM82821EVM-080
Figure 9-27 TPSM82821 Radiated Emissions
VIN = 5 VTA = 85°CTPSM82821
Figure 9-4 Efficiency
VIN = 4.2 VTA = 85°CTPSM82821
Figure 9-6 Efficiency
VIN = 3.3 VTA = 85°CTPSM82821
Figure 9-8 Efficiency
VIN = 2.4 VTA = 85°CTPSM82821
Figure 9-10 Efficiency
GUID-CDC40FA6-7264-4733-9876-F8684F4DBD33-low.gif
VOUT = 1.2 VTPSM82821RθJA = 64.3°C/W
Figure 9-12 Safe Operating Area
GUID-20200721-CA0I-73SG-K1KR-XWMQDR2FB11W-low.gif
VOUT = 2.5 VTPSM82821RθJA = 64.3°C/W
Figure 9-14 Safe Operating Area
GUID-C550B9C4-7F67-4A93-86E5-A99AF8CE6711-low.gif
VOUT = 0.6 VTPSM82821
Figure 9-16 Load Regulation
GUID-2805038A-F378-451F-A18C-B85C806A2FEF-low.gif
VOUT = 1.8 VTPSM82821
Figure 9-18 Load Regulation
GUID-87D7AA74-AEFD-42AF-8540-3B15B0887E83-low.gif
VOUT = 3.3 VTPSM82821
Figure 9-20 Load Regulation
GUID-C938F8A8-DCB0-445F-8F53-03372FCA26FA-low.gif
VOUT = 1.2 VTPSM82821
Figure 9-22 Line Regulation
GUID-42945FCB-6197-4D1D-99FF-F023C6890743-low.gif
VOUT = 3.3 VTPSM82821
Figure 9-24 Line Regulation
GUID-6225B141-7ACD-474F-B4CE-5E86EDC42ACB-low.gif
IOUT = 0.5 A to 1 ASlew Rate = 2 A/µsTPSM82821
Figure 9-26 Load Transient
TPSM82821
Figure 9-28 Power Supply Rejection Ratio (PSRR)