SLVSFJ2B December   2020  – February 2023 TPS22950

PRODUCTION DATA  

  1. 1 Features
  2. 2 Application
  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 Switching Characteristics
    7. 7.7 Typical Characteristics
  8. 8 Parameter Measurement Information
  9. 9 Detailed Description
    1. 9.1 Overview
    2. 9.2 Functional Block Diagram
    3. 9.3 Feature Description
      1. 9.3.1 Current Limiting (TPS22950, TPS22950C)
      2. 9.3.2 Current Limiting (TPS22950L)
      3. 9.3.3 Adjusting the Current Limit
      4. 9.3.4 Reverse Current Blocking (TPS22950, TPS22950C)
    4. 9.4 Device Functional Modes
  10. 10Application and Implementation
    1. 10.1 Application Information
    2. 10.2 Typical Application
      1. 10.2.1 Design Requirements
      2. 10.2.2 Detailed Design Procedure
      3. 10.2.3 Application Curves
    3. 10.3 Power Supply Recommendations
    4. 10.4 Layout
      1. 10.4.1 Layout Guidelines
      2. 10.4.2 Layout Example
  11. 11Device and Documentation Support
    1. 11.1 Receiving Notification of Documentation Updates
    2. 11.2 Support Resources
    3. 11.3 Trademarks
    4. 11.4 Electrostatic Discharge Caution
    5. 11.5 Glossary
  12. 12Mechanical, Packaging, and Orderable Information

7.5 Electrical Characteristics

Unless otherwise noted, the characteristics in the following table apply across the recommended operating input voltage range with a load of CL = 0.1 µF, RL = 100 Ω. Typical Values are at 5 V and TA = 25°C.
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
Input Supply (VIN)
IQ, VIN VIN Quiescent Current VON ≥ VIH, VOUT = Open –40°C to 85°C 44 60 µA
–40°C to 125°C 60 µA
ISD, VIN VIN Shutdown Current VON ≤ VIL, VOUT = GND 25°C 0.2 0.4 µA
–40°C to 85°C 9 µA
–40°C to 125°C 46 µA
ON-Resistance (RON)
RON ON-State Resistance VIN = 5 V, IOUT = –200 mA 25°C 34 41 mΩ
–40°C to 85°C 49 mΩ
–40°C to 125°C 54 mΩ
VIN = 3.3 V, IOUT = –200 mA 25°C 41 51 mΩ
–40°C to 85°C 62 mΩ
–40°C to 125°C 68 mΩ
VIN = 1.8 V, IOUT = –200 mA 25°C 67 90 mΩ
–40°C to 85°C 105 mΩ
–40°C to 125°C 116 mΩ
Output Current Limit (ILIM)
ILIM Output Current Limit RILIM = 610 Ω
VIN- VOUT = 0.5 V		 –40°C to 125°C 1.54 2 2.46 A
RILIM = 1.15 kΩ
VIN- VOUT = 0.5 V		 –40°C to 125°C 0.75 1 1.25 A
RILIM = 2.21 kΩ
VIN- VOUT = 0.5 V		 –40°C to 125°C 0.38 0.5 0.62 A
RILIM = 19.2 kΩ
VIN- VOUT = 0.5 V		 –40°C to 125°C 0.034 0.05 0.066 A
ILIM,PEAK Output Current Limit Peak (TPS22950L) RILIM = 624 Ω
VIN- VOUT = 1 V		 –40°C to 125°C 2.1 A
RILIM = 1.24 kΩ
VIN- VOUT = 1 V		 –40°C to 125°C 1 A
RILIM = 2.49 kΩ
VIN- VOUT = 1 V		 –40°C to 125°C 0.52 A
tLIM Current Limit Response Time Output hard short (IOUT > ILIM) –40°C to 125°C 5 µs
tDEBOUNCE Latch Off Debounce Time (TPS22950L) VIN- VOUT = 0.5 V –40°C to 125°C 120 188 µs
IHCD High current detection threshold (TPS22950L) RILIM = 624 Ω –40°C to 125°C 1.2 1.6 1.9 A
RILIM = 1.25 kΩ –40°C to 125°C 0.6 0.85 1.1 A
RILIM = 2.5 kΩ –40°C to 125°C 0.3 0.47 0.65 A
Reverse Current Blocking (TPS22950)
VRCB Activation Threshold VOUT Rising; VOUT > VIN –40°C to 125°C 44 mV
Release Threshold VOUT Falling; VOUT > VIN –40°C to 125°C 16 mV
tRCB Response Time VOUT = VIN + 1 V –40°C to 125°C 3 µs
IOUT,RCB Reverse Leakage Current into VOUT VON ≤ VIL
VIN = 0 V, VOUT = 5 V		 –40°C to 125°C 38 µA
Fault Indication (FLT)
VOL, FLT Output Low Voltage IFLT = 1 mA –40°C to 125°C 0.1 V
tD,FLT Fault Delay Time VON ≥ VIH –40°C to 125°C 10 µs
IFLT Off State Leakage VON ≤ VIL –40°C to 125°C 50 nA
Enable Pin (ON)
RPD, ON Smart Pull Down Resistance VON ≤ VIL –40°C to 125°C 500 650 kΩ
ION ON Pin Leakage VON ≥ VIH –40°C to 125°C 50 nA
RQOD Quick Output Discharge Resistance VIN = 5 V
VON ≤ VIL		 –40°C to 125°C 100 160 Ω
VIN = 3.3 V
VON ≤ VIL		 –40°C to 125°C 150 185 Ω
VIN = 1.8 V
VON ≤ VIL		 –40°C to 125°C 200 355 Ω
Thermal Shutdown (TSD)
TSD Thermal Shutdown Rising N/A 170 °C
Falling (Hysteresis) N/A 150 °C