SLUSEQ4A december   2022  – may 2023 TPS562242

PRODUCTION DATA  

  1.   1
  2. 1 Features
  3. 2 Applications
  4. 3 Description
  5. 4 Revision History
  6. 5 Pin Configuration and Functions
  7. 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
  8. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1 PWM Operation and D-CAP3™ Control Mode
      2. 7.3.2 Eco-mode Control
      3. 7.3.3 Soft Start and Prebiased Soft Start
      4. 7.3.4 Overvoltage Protection
      5. 7.3.5 Large Duty Operation
      6. 7.3.6 Current Protection and Undervoltage Protection
      7. 7.3.7 Undervoltage Lockout (UVLO) Protection
      8. 7.3.8 Thermal Shutdown
    4. 7.4 Device Functional Modes
      1. 7.4.1 Eco-mode Operation
  9. 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 Custom Design with WEBENCH® Tools
        2. 8.2.2.2 Output Voltage Resistors Selection
        3. 8.2.2.3 Output Filter Selection
        4. 8.2.2.4 Input Capacitor Selection
        5. 8.2.2.5 Bootstrap Capacitor Selection
      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. 9 Device and Documentation Support
    1. 9.1 Device Support
      1. 9.1.1 Development Support
        1. 9.1.1.1 Custom Design with WEBENCH® Tools
    2. 9.2 Receiving Notification of Documentation Updates
    3. 9.3 Support Resources
    4. 9.4 Trademarks
    5. 9.5 Electrostatic Discharge Caution
    6. 9.6 Glossary
  11. 10Mechanical, Packaging, and Orderable Information

Package Options

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

6.5 Electrical Characteristics

TJ = –40°C to 125°C, VIN = 12 V (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
INPUT SUPPLY VOLTAGE
VIN Input voltage range VIN 3 17 V
IVIN VIN supply current No load, VEN = 5 V, VFB = 0.85 V, non-switching, ECO version 100 µA
IINSDN VIN shutdown current No load, VEN = 0 V 5 µA
UVLO
VIN_UVLO Input undervoltage lockout threshold Rising threshold 2.80 2.92 3.00 V
Falling threshold 2.60 2.72 2.85 V
Hysteresis 200 mV
FEEDBACK VOLTAGE
VREF FB voltage TJ = 25°C 792 800 808 mV
TJ = –40°C to 125°C 788 800 812 mV
INTEGRATED POWER MOSFETS
RDSON_HS High-side MOSFET on-resistance TJ = 25°C, VIN ≥ 5 V 55.0 mΩ
TJ = 25°C, VIN = 3 V (1) 67.5 mΩ
RDSON_LS Low-side MOSFET on-resistance TJ = 25°C, VIN ≥ 5 V 24.3 mΩ
TJ = 25°C, VIN = 3 V 30.2 mΩ
SWITCHING FREQUENCY
Fsw Switching frequency TJ = 25°C, VOUT = 3.3 V 1.4 MHz
TON(MIN)(1) Minimum on time 60 ns
TOFF(MIN)(1) Minimum off time VFB = 0.6 V 110 ns
LOGIC THRESHOLD
VENH EN threshold high level Rising enable threshold 1.14 1.17 1.22 V
VENL EN threshold low level Falling disable threshold 0.91 1.00 1.09 V
VENHYS EN hystersis Hysteresis 170 mV
IEN EN pull up current VEN = 1.0 V 1.6 uA
CURRENT LIMIT
IOCL_LS Overcurrent threshold Valley current set point 2.3 3.0 3.6 A
SOFT START
tSS Internal soft start time 1.6 ms
OUTPUT OVERVOLTAGE AND UNDERVOLTAGE PROTECTION
VOVP OVP trip threshold VFB rising 110 115 120 %
tOVPDLY OVP prop deglitch 24 us
VUVP UVP trip threshold VFB falling 55 60 65 %
tUVPDLY UVP prop deglitch 220 us
tUVPEN Hiccup enable delay time 14 ms
THERMAL SHUTDOWN
TSDN(1) Thermal shutdown threshold Shutdown temperature 155 °C
TOTPHSY(1) Hysteresis 20
(1) Specified by design