SLVSFL4 June   2020 TPS2124

PRODUCTION DATA.  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
    1.     Device Images
      1.      Typical Application
  4. 4 Revision History
  5. 5 Pin Configuration and Functions
    1.     Pin 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 Parameter Measurement Information
  8. 8 Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
      1. 8.3.1 Input Settling Time and Output Soft Start Control (SS)
        1. 8.3.1.1 Slew Rate vs. CSS Capacitor
      2. 8.3.2 Active Current Limiting (ILM)
      3. 8.3.3 Short-Circuit Protection
      4. 8.3.4 Thermal Protection (TSD)
      5. 8.3.5 Over-voltage Protection (OVx)
      6. 8.3.6 Fast Reverse Current Blocking (RCB)
      7. 8.3.7 Input Voltage Comparator (VCOMP)
    4. 8.4 TPS2124 Device Functional Modes
  9. 9 Application and Implementation
    1. 9.1 Application Information
    2. 9.2 Typical Application
      1. 9.2.1 Manual Switchover Schematic
      2. 9.2.2 Design Requirements
      3. 9.2.3 Detailed Design Description
      4. 9.2.4 Design Procedure
        1. 9.2.4.1 Selecting OVx Resistors
        2. 9.2.4.2 Selecting Soft-Start Capacitor and Current Limit Resistors
      5. 9.2.5 Application Curves
    3. 9.3 Highest Voltage Operation (VCOMP)
      1. 9.3.1 Application Schematic
      2. 9.3.2 Design Requirements
      3. 9.3.3 Detailed Design Description
      4. 9.3.4 Detailed Design Procedure
      5. 9.3.5 Application Curves
    4. 9.4 Reverse Polarity Protection with TPS2124
  10. 10Power Supply Recommendations
  11. 11Layout
    1. 11.1 Layout Guidelines
    2. 11.2 Layout Example
  12. 12Device and Documentation Support
    1. 12.1 Receiving Notification of Documentation Updates
    2. 12.2 Support Resources
    3. 12.3 Trademarks
    4. 12.4 Electrostatic Discharge Caution
    5. 12.5 Glossary
  13. 13Mechanical, Packaging, and Orderable Information

6.5 Electrical Characteristics

over operating free-air temperature range (unless otherwise noted)
PARAMETER TEST CONDITIONS TJ MIN TYP MAX UNIT
INPUT SOURCE (IN1, IN2)
IQ, INx Quiescent Current
(INx Powering OUT) (1) 		OUT = Open -40°C to 125°C 300 400 µA
ISBY, INx Standby Current
(INx not powering OUT)(1) 		VOUT = VINx  25°C 0 15 25 µA
-40°C to 125°C 30 µA
ILK, INx Leakage Current
(INx to OUT)		 |VINx - VOUT| > 0 25°C -200 200 µA
-40°C to 125°C -500 500 µA
VUV, INx Undervoltage Lockout VINx Rising -40°C to 125°C 2.5 2.65 2.8 V
VINx Falling -40°C to 125°C 2.4 2.55 2.7 V
OUTPUT SWITCHOVER (OUT)
tSW Switchover Time VOUT < VINx
CP2 < VREF 		-40°C to 125°C 100 µs
VCOMP Input Voltage Comparator
(VIN2 referenced to VIN1)		 VIN1 ≥ VIN2 -40°C to 125°C 0 280 600 mV
VIN1 > VIN2, Falling Hysteresis -40°C to 125°C 2.5 3.5 4.5 %
ON-RESISTANCE (INx to OUT)
RON ON-State Resistance IOUT = -200 mA
VPRI > VREF
VINx ≥ 5.0 V		 25°C 62 75 mΩ
-40°C to 85°C 90 mΩ
-40°C to 105°C 100 mΩ
-40°C to 125°C 120 mΩ
CURRENT LIMIT AND MONITOR (ILM)
ILM Output Current Limit RILM = 46.4kΩ -40°C to 125°C 2 2.5 3 A
RILM = 85kΩ -40°C to 125°C 1 1.5 2 A
RILM = 137kΩ -40°C to 125°C 0.5 1 1.5 A
RILM < 1kΩ -40°C to 125°C 1.5 2.5 3.5 A
tLM Current Limit Response Time Output Steady State -40°C to 125°C 250 µs
CONTROL PINS (PRI, SEL, OV1, OV2)
VREF, x Internal Voltage Reference VPR1, VOV1, VOV2 Rising -40°C to 125°C 1.01 1.06 1.1 V
VPR1, VOV1, VOV2 Falling -40°C to 125°C 0.99 1.04 1.09 V
ILK, x Pin Leakage Current VPR1, VOV1, VOV2 = 0 V to 5.5 V -40°C to 125°C -0.1 0.1 µA
STATUS INDICATION PIN (ST)
ILK, ST Pin Leakage VST = 0 V to 5.5 V -40°C to 125°C -0.1 0.1 µA
tST Status Delay L to H -40°C to 125°C 1 µs
IRCB Fast Reverse Current Detection Threshold VOUT > VINx -40°C to 125°C 0.2 1 2 A
FAST REVERSE CURRENT BLOCKING (RCB)
VRCB RCB Release Voltage VOUT > VINx -40°C to 125°C 0 25 50 mV
tRCB Fast Reverse Current Blocking Response Time -40°C to 125°C 10 µs
THERMAL SHUTDOWN (TSD)
TSD Thermal Shutdown Shutdown Rising 160 °C
Recovery Falling 150 °C