ZHCSMN1A December   2015  – January 2021 TPS62097

PRODUCTION DATA  

  1. 1 特性
  2. 2 应用
  3. 3 说明
  4. 4 Revision History
  5. 5 Device Options
  6. 6 Pin Configuration and Functions
  7. 7 Specifications
    1. 7.1 Absolute Maximum Ratings
    2. 7.2 ESD Ratings
    3. 7.3 Recommend 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. 8.3.1 100% Duty Cycle Mode
      2. 8.3.2 Switch Current Limit and Hiccup Short Circuit Protection
      3. 8.3.3 Undervoltage Lockout (UVLO)
      4. 8.3.4 Thermal Shutdown
    4. 8.4 Device Function Modes
      1. 8.4.1 Enable and Disable (EN)
      2. 8.4.2 Power Save Mode and Forced PWM Mode (MODE)
      3. 8.4.3 Soft Start-up (SS/TR)
      4. 8.4.4 Voltage Tracking (SS/TR)
      5. 8.4.5 Power Good (PG)
  9. 9 Application and Implementation
    1. 9.1 Application Information
    2. 9.2 1.2-V Output Application
      1. 9.2.1 Design Requirements
      2. 9.2.2 Detailed Design Procedure
        1. 9.2.2.1 Setting the Output Voltage
        2. 9.2.2.2 Output Filter Design
        3. 9.2.2.3 Inductor Selection
        4. 9.2.2.4 Capacitor Selection
      3. 9.2.3 Application Performance Curves
      4. 9.2.4 Coincidental Voltage Tracking
        1. 9.2.4.1 Design Requirements
        2. 9.2.4.2 Detailed Design Procedure
        3. 9.2.4.3 Application Performance Curve
      5. 9.2.5 Switching Frequency Selection
        1. 9.2.5.1 Design Requirements
        2. 9.2.5.2 Detailed Design Procedure
        3. 9.2.5.3 Application Performance Curves
  10. 10Power Supply Recommendations
  11. 11Layout
    1. 11.1 Layout Guidelines
    2. 11.2 Layout Example
      1. 11.2.1 Thermal Information
  12. 12Device and Documentation Support
    1. 12.1 Device Support
      1. 12.1.1 第三方产品免责声明
    2. 12.2 支持资源
    3. 12.3 接收文档更新通知
    4. 12.4 Trademarks
    5. 12.5 静电放电警告
    6. 12.6 术语表
  13. 13Mechanical, Packaging, and Orderable Information

封装选项

机械数据 (封装 | 引脚)
散热焊盘机械数据 (封装 | 引脚)
订购信息

7.5 Electrical Characteristics

TJ = -40°C to 125°C, and VIN = 2.5V to 6.0V. Typical values are at TJ = 25°C and VIN = 3.6V, unless otherwise noted.
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
SUPPLY
IQ Quiescent current into AVIN, PVIN EN = High, Device not switching, TJ = –40°C to 85°C 40 57 µA
EN = High, Device not switching 40 65
ISD Shutdown current into AVIN, PVIN EN = Low, TJ = –40°C to 85°C 0.7 3 µA
EN = Low 0.7 10
VUVLO Under voltage lock out threshold VIN falling 2.2 2.3 2.4 V
VIN rising 2.3 2.4 2.5
TJSD Thermal shutdown threshold TJ rising 160 °C
Thermal shutdown hysteresis TJ falling 20 °C
LOGIC INTERFACE (EN, MODE)
VH_EN High-level input voltage, EN pin 2.0 1.6 V
VL_EN Low-level input voltage, EN pin 1.3 1.0 V
IEN,LKG Input leakage current into EN pin EN = High 0.01 0.9 µA
RPD Pull-down resistance at EN pin EN = Low 375 kΩ
VH_MO High-level input voltage, MODE pin 1.2 V
VL_MO Low-level input voltage, MODE pin 0.4 V
IMO,LKG Input leakage current into MODE pin MODE = High 0.01 0.16 µA
SOFT STARTUP, POWER GOOD (SS/TR, PG)
ISS Soft startup current 5.5 7.5 9.5 µA
Voltage tracking gain factor VFB / VSS/TR 1
VPG Power good threshold VOUT rising, referenced to VOUT nominal 92 95 98 %
VOUT falling, referenced to VOUT nominal 87 90 92
VPG,OL Low-level output voltage, PG pin Isink = 1mA 0.4 V
IPG,LKG Input leakage current into PG pin VPG = 5.0V 0.01 1.6 µA
OUTPUT
VOUT Output voltage accuracy
TPS6209718, TPS6209733		 PWM mode, No load –1.0 1.0 %
PSM mode(1) –1.0 2.1
VFB Feedback reference voltage PWM mode 792 800 808 mV
PSM mode(1) 792 800 817
IFB,LKG Input leakage current into FB pin VFB = 0.8V 0.01 0.1 µA
RDIS Output discharge resistor EN = Low, VOUT = 1.8V 165 Ω
Line regulation IOUT = 0.5A, VOUT = 1.8V(1) 0.02 %/V
Load regulation PWM mode, VOUT = 1.8V (1) 0.2 %/A
POWER SWITCH
RDS(on) High-side FET on-resistance ISW = 500mA, VIN = 5.0V 40 73 mΩ
ISW = 500mA, VIN = 3.6V 50 96
Low-side FET on-resistance ISW = 500mA, VIN = 5.0V 40 68 mΩ
ISW = 500mA, VIN = 3.6V 50 85
ILIMF High-side FET forward current limit 3.1 3.6 4.2 A
VIN = 5.0V 3.3 3.6 3.9
ILIMN Low-side FET negative current limit Forced PWM mode –1.25 –1.1 -0.7 A
(1) Conditions: L = 1 μH, COUT = 22 μF, Switching Frequency = 2.0 MHz