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
9.2.1.3.4 TPSM82822A Performance Curves
VIN = 5 VTA = 25°CTPSM82822A
Figure 9-86 Efficiency
VIN = 4.2 VTA = 25°CTPSM82822A
Figure 9-88 Efficiency
VIN = 3.3 VTA = 25°CTPSM82822A
Figure 9-90 Efficiency
VIN = 2.4 VTA = 25°CTPSM82822A
Figure 9-92 Efficiency
VOUT = 0.6 VTPSM82822ARθJA = 64.3°C/W
Figure 9-94 Safe Operating Area
VOUT = 1.8 VTPSM82822ARθJA = 64.3°C/W
Figure 9-96 Safe Operating Area
VOUT = 3.3 V TPSM82822A RθJA = 64.3°C/W
Figure 9-98 Safe Operating Area
VOUT = 1.2 VTPSM82822A
Figure 9-100 Load Regulation
VOUT = 2.5 VTPSM82822A
Figure 9-102 Load Regulation
IOUT = 2 A TPSM82822A
Figure 9-104 Output Ripple in PWM Mode
IOUT = 0 A to 2 ASlew Rate = 2 A/µsTPSM82822A
Figure 9-106 Load Transient
IOUT = 2 ATPSM82822A
Figure 9-108 Start-up / Shutdown with Resistive Load
VIN = 5 VTA = 85°CTPSM82822A
Figure 9-87 Efficiency
VIN = 4.2 VTA = 85°CTPSM82822A
Figure 9-89 Efficiency
VIN = 3.3 VTA = 85°CTPSM82822A
Figure 9-91 Efficiency
VIN = 2.4 VTA = 85°CTPSM82822A
Figure 9-93 Efficiency
VOUT = 1.2 VTPSM82822ARθJA = 64.3°C/W
Figure 9-95 Safe Operating Area
VOUT = 2.5 VTPSM82822ARθJA = 64.3°C/W
Figure 9-97 Safe Operating Area
VOUT = 0.6 VTPSM82822A
Figure 9-99 Load Regulation
VOUT = 1.8 VTPSM82822A
Figure 9-101 Load Regulation
VOUT = 3.3 VTPSM82822A
Figure 9-103 Load Regulation
IOUT = 0 mA to 2 ATPSM82822A
Figure 9-105 Load Sweep
IOUT = no loadTPSM82822A
Figure 9-107 Start-up / Shutdown without Load
TPSM82822A
Figure 9-109 Short Circuit, HICCUP Protection Entry / Exit