ZHCSI34E January   2018  – February 2024 TPS61322

PRODUCTION DATA  

  1.   1
  2. 1 特性
  3. 2 应用
  4. 3 说明
  5. 4 Device Comparison Table
  6. 5 Pin Configuration and Functions
    1.     Pin 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 Soft Start
      2. 7.3.2 Boost Controller Circuit
      3. 7.3.3 21
      4. 7.3.4 Undervoltage Lockout
      5. 7.3.5 Current Limit Operation
      6. 7.3.6 Overtemperature Protection
      7. 7.3.7 Device Functional Modes
  9. 8 Application and Implementation
    1. 8.1 Application Information
    2. 8.2 Typical Application
      1. 8.2.1 Boost without Schottky Diode
        1. 8.2.1.1 Design Requirements
        2. 8.2.1.2 Detailed Design Procedure
          1. 8.2.1.2.1 Custom Design With WEBENCH® Tools
          2. 8.2.1.2.2 Maximum Output Current
          3. 8.2.1.2.3 Inductor Selection
          4. 8.2.1.2.4 35
          5. 8.2.1.2.5 Capacitor Selection
          6. 8.2.1.2.6 37
        3. 8.2.1.3 Application Curves
      2. 8.2.2 Boost with Schottky Diode
        1. 8.2.2.1 Design Requirements
        2. 8.2.2.2 Detailed Design Procedure
          1. 8.2.2.2.1 Inductor Selection
          2. 8.2.2.2.2 Schottky Diode Selection
          3. 8.2.2.2.3 Capacitor Selection
        3. 8.2.2.3 Application Curves
    3. 8.3 System Examples
      1. 8.3.1 Detail Design Schematics
  10. 9 Power Supply Recommendations
  11. 10Layout
    1. 10.1 Layout Guidelines
    2. 10.2 Layout Examples
  12. 11Device and Documentation Support
    1. 11.1 Device Support
      1. 11.1.1 第三方产品免责声明
      2. 11.1.2 Development Support
        1. 11.1.2.1 Custom Design With WEBENCH® Tools
    2. 11.2 Documentation Support
      1. 11.2.1 Related Documentation
    3. 11.3 Receiving Notification of Documentation Updates
    4. 11.4 支持资源
    5. 11.5 Trademarks
    6. 11.6 静电放电警告
    7. 11.7 术语表
  13. 12Revision History
  14. 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

6.5 Electrical Characteristics

TJ = –40°C to +125°C and VIN = 0.9 V to 5.5 V. Typical values are at VIN = 1.2 V, TJ = 25°C, unless otherwise noted
PARAMETERTEST CONDITIONSMINTYPMAXUNIT
POWER SUPPLY
VINInput voltage range0.95.5V
VVOUT_STARTMinimum voltage for startup at VOUT pinRLoad ≥ 250Ω ,TJ =-40°C to 85°C0.830.87V
IQQuiescent current into VOUT pinVOUT = 1.2×Target6.510uA
OUTPUT
VOUTTPS61322VIN < VOUT, TJ =-40°C to 125°C2.1342.22.266V
TPS613221AVIN < VOUT, TJ =-40°C to 125°C3.23.33.4V
TPS613222AVIN < VOUT, TJ =-40°C to 125°C4.855.05.15V
TPS613223AVIN < VOUT, TJ =-40°C to 125°C1.942.02.06V
TPS613226AVIN < VOUT, TJ =-40°C to 125°C3.493.63.71V
ISW_LKGLeakage current into SW pinVSW = VOUT = 1.2×Target3.5nA
POWER SWITCH
RDS(on)_LSLow side switch on resistanceTPS61322300mΩ
TPS613221A200mΩ
TPS613222A150mΩ
TPS613223A400mΩ
TPS613226A190mΩ
RDS(on)_HSHigh side switch on resistanceTPS613221300mΩ
TPS613221A1000mΩ
TPS613222A750mΩ
TPS613223A1680mΩ
TPS613226A950mΩ
ILIMPeak switch current limitTPS613220.500.751.20A
TPS613221A0.751.201.60A
TPS613222A1.101.802.50A
TPS613223A0.420.751.2A
TPS613226A0.751.201.60A
Protection
TSDOver-temperature protectionTJ rising150°C
TSD_HYSOver-temperature protection hysteresis20°C