ZHCSGT1B September   2017  – June 2018 TPS565208

PRODUCTION DATA.  

  1. 1 特性
  2. 2 应用
  3. 3 说明
    1.     Device Images
      1.      简化原理图
      2.      TPS565208 负载调整率
  4. 4 修订历史记录
  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 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1 Adaptive On-Time Control and PWM Operation
      2. 7.3.2 Soft Start and Pre-Biased Soft Start
      3. 7.3.3 Current Protection
      4. 7.3.4 Undervoltage Lockout (UVLO) Protection
      5. 7.3.5 Thermal Shutdown
    4. 7.4 Device Functional Modes
      1. 7.4.1 Normal Operation
      2. 7.4.2 Standby Operation
  8. 8 Application and Implementation
    1. 8.1 Application Information
    2. 8.2 Typical Application
      1. 8.2.1 Design Requirements
      2. 8.2.2 Detailed Design Procedure
        1. 8.2.2.1 Custom Design With WEBENCH® Tools
        2. 8.2.2.2 Output Voltage Resistors Selection
        3. 8.2.2.3 Output Filter Selection
        4. 8.2.2.4 Input Capacitor Selection
        5. 8.2.2.5 Bootstrap Capacitor Selection
      3. 8.2.3 Application Curves
  9. 9 Power Supply Recommendations
  10. 10Layout
    1. 10.1 Layout Guidelines
    2. 10.2 Layout Example
  11. 11器件和文档支持
    1. 11.1 开发支持
      1. 11.1.1 使用 WEBENCH® 工具创建定制设计
    2. 11.2 接收文档更新通知
    3. 11.3 社区资源
    4. 11.4 商标
    5. 11.5 静电放电警告
    6. 11.6 术语表
  12. 12机械、封装和可订购信息

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, VIN = 12 V (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
SUPPLY CURRENT
IVIN Operating – non-switching supply current VIN current, EN = 5 V, VFB = 1 V 590 780 µA
IVINSDN Shutdown supply current VIN current, EN = 0 V 0.8 5 µA
LOGIC THRESHOLD
VENH EN high-level input voltage 1.6 V
VENL EN low-level input voltage 0.8 V
REN EN pin resistance to GND VEN = 12 V 120 245 400 kΩ
VFB VOLTAGE AND DISCHARGE RESISTANCE
VFBTH VFB threshold voltage 753 760 767 mV
IVFB VFB input current TA = 25°C, VFB = 0.8 V 0 ±0.1 µA
MOSFET
RDS(on)h High-side switch resistance TA = 25°C, VBST – VSW= 5.5 V 31 mΩ
RDS(on)l Low-side switch resistance TA = 25°C 16 mΩ
CURRENT LIMIT
IOCL Current limit 5.3 6.7 8 A
THERMAL SHUTDOWN
TSDN Thermal shutdown threshold(1) Shutdown temperature 172 °C
Hysteresis 38
ON-TIME TIMER CONTROL
tOFF(MIN) Minimum off time VFB = 0.61 V 236 280 ns
SOFT START
tSS Soft-start time Internal soft-start time 1.0 ms
FREQUENCY
FSW Switching frequency VIN = 12 V, VOUT = 5 V, CCM mode 500 kHz
OUTPUT UNDERVOLTAGE AND OVERVOLTAGE PROTECTION
VUVP Output UVP threshold Hiccup detect (H > L) 65 %
THICCUP_WAIT Hiccup on time 1.8 ms
THICCUP_RE Hiccup time before restart 14.9 ms
UVLO
UVLO UVLO threshold Wake up VIN voltage 4.0 4.3 V
Shutdown VIN voltage 3.3 3.6
Hysteresis VIN voltage(1) 0.4
(1) Not production tested.