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
9.2.1.3.5 TPSM82823 Performance Curves
VIN = 5 VTA = 25°CTPSM82823
Figure 9-110 Efficiency
VIN = 4.2 VTA = 25°CTPSM82823
Figure 9-112 Efficiency
VIN = 3.3 V TA = 25°C TPSM82823
Figure 9-114 Efficiency
VIN = 2.4 VTA = 25°CTPSM82823
Figure 9-116 Efficiency
VOUT = 0.6 V TPSM82823 RθJA = 64.3°C/W
Figure 9-118 Safe Operating Area
VOUT = 1.8 V TPSM82823 RθJA = 64.3°C/W
Figure 9-120 Safe Operating Area
VOUT = 3.3 V TPSM82823 RθJA = 64.3°C/W
Figure 9-122 Safe Operating Area
VOUT = 1.2 VTPSM82823
Figure 9-124 Load Regulation
VOUT = 2.5 VTPSM82823
Figure 9-126 Load Regulation
IOUT = 3 ATPSM82823
Figure 9-128 Output Ripple in PWM Mode
IOUT = 25 mA to 3 ATPSM82823
Figure 9-130 Load Sweep
IOUT = 0.5 A to 3 ASlew Rate = 2 A/µsTPSM82823
Figure 9-132 Load Transient
IOUT = 3 ATPSM82823
Figure 9-134 Start-up / Shutdown with Resistive Load
RLOAD = 0.68 Ω, VIN = 5.5 V (battery supply), VOUT = 1.8 V, tested on TPSM82823EVM-080
Figure 9-136 TPSM82823 Radiated Emissions
VIN = 5 V TA = 85°C TPSM82823
Figure 9-111 Efficiency
VIN = 4.2 VTA = 85°CTPSM82823
Figure 9-113 Efficiency
VIN = 3.3 VTA = 85°CTPSM82823
Figure 9-115 Efficiency
VIN = 2.4 VTA = 85°CTPSM82823
Figure 9-117 Efficiency
VOUT = 1.2 V TPSM82823 RθJA = 64.3°C/W
Figure 9-119 Safe Operating Area
VOUT = 2.5 V TPSM82823 RθJA = 64.3°C/W
Figure 9-121 Safe Operating Area
VOUT = 0.6 VTPSM82823
Figure 9-123 Load Regulation
VOUT = 1.8 VTPSM82823
Figure 9-125 Load Regulation
VOUT = 3.3 VTPSM82823
Figure 9-127 Load Regulation
IOUT = 25 mATPSM82823
Figure 9-129 Output Ripple in PSM Mode
IOUT = 0 A to 3 ASlew Rate = 2 A/µsTPSM82823
Figure 9-131 Load Transient
IOUT = no loadTPSM82823
Figure 9-133 Start-up / Shutdown without Load
TPSM82823
Figure 9-135 Short Circuit, HICCUP Protection Entry / Exit