ZHCSPO5A September   2022  – December 2022 TPS22950-Q1

PRODUCTION DATA  

  1. 1 特性
  2. 2 应用
  3. 3 说明
  4. 4 Revision History
  5. 5 Pin Configuration and 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 Switching Characteristics
    7. 6.7 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 Current Limiting
        1. 8.3.1.1 Adjusting the Current Limit
      2. 8.3.2 Reverse Current Blocking (RCB)
    4. 8.4 Device Functional Modes
  9. 9 Application and Implementation
    1. 9.1 Application Information
    2. 9.2 Typical Application
      1. 9.2.1 Design Requirements
      2. 9.2.2 Detailed Design Procedure
      3. 9.2.3 Application Curves
    3. 9.3 Power Supply Recommendations
    4. 9.4 Layout
      1. 9.4.1 Layout Guidelines
      2. 9.4.2 Layout Example
  10. 10Device and Documentation Support
    1. 10.1 接收文档更新通知
    2. 10.2 支持资源
    3. 10.3 Trademarks
    4. 10.4 Electrostatic Discharge Caution
    5. 10.5 术语表
  11. 11Mechanical, Packaging, and Orderable Information

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6.5 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 5V 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 40 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 = 5V, IOUT = -200 mA 25 °C 34 41 mΩ
–40 °C to 85 °C 49 mΩ
–40 °C to 125 °C 54 mΩ
RON ON-State Resistance VIN = 3.3V, IOUT = -200 mA 25 °C 41 51 mΩ
–40 °C to 85 °C 62
–40 °C to 125 °C 68
RON ON-State Resistance VIN = 1.8V, IOUT = -200 mA 25 °C 65 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 = 610Ω
VOUT - VIN = 0.3V		 –40 °C to 125 °C 1.54 2 2.46 A
RILIM = 1.15kΩ
VOUT - VIN = 0.3V		 –40 °C to 125 °C 0.75 1 1.25 A
RILIM = 2.21kΩ
VOUT - VIN = 0.3V		 –40 °C to 125 °C 0.38 0.5 0.62 A
RILIM = 19.2kΩ
VOUT - VIN = 0.3V		 –40 °C to 125 °C 0.034 0.05 0.066 A
tLIM Current Limit Response Time Output hard short (IOUT > ILIM) –40 °C to 125 °C 5 µs
Reverse Current Blocking (RCB)
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 + 1V –40 °C to 125 °C 3 µs
IOUT,RCB Reverse Leakage Current into VOUT VON ≤ VIL
VIN = 0V, VOUT = 5V		 –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 = 5V
VON ≤ VIL		 –40 °C to 125 °C 120 160 Ω
RQOD Quick Output Discharge Resistance VIN = 3.3V
VON ≤ VIL		 –40 °C to 125 °C 130 185 Ω
RQOD Quick Output Discharge Resistance VIN = 1.8V
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