ZHCSEL5C December   2015  – April 2024 TPS562201 , TPS562208

PRODUCTION DATA  

  1.   1
  2. 1 特性
  3. 2 应用
  4. 3 说明
  5. 4 Pin Configuration and Functions
  6. 5 Specifications
    1. 5.1 Absolute Maximum Ratings
    2. 5.2 ESD Ratings
    3. 5.3 Recommended Operating Conditions
    4. 5.4 Thermal Information
    5. 5.5 Electrical Characteristics
    6. 5.6 Typical Characteristics
  7. 6 Detailed Description
    1. 6.1 Overview
    2. 6.2 Functional Block Diagram
    3. 6.3 Feature Description
      1. 6.3.1 Adaptive On-Time Control and PWM Operation
      2. 6.3.2 Pulse Skip Control (TPS562201)
      3. 6.3.3 Soft Start and Pre-Biased Soft Start
      4. 6.3.4 Current Protection
      5. 6.3.5 Undervoltage Lockout (UVLO) Protection
      6. 6.3.6 Thermal Shutdown
    4. 6.4 Device Functional Modes
      1. 6.4.1 Normal Operation
      2. 6.4.2 Eco-mode Operation
      3. 6.4.3 Standby Operation
  8. 7 Application and Implementation
    1. 7.1 Application Information
    2. 7.2 Typical Application
      1. 7.2.1 Design Requirements
      2. 7.2.2 Detailed Design Procedure
        1. 7.2.2.1 Custom Design with WEBENCH® Tools
        2. 7.2.2.2 Output Voltage Resistors Selection
        3. 7.2.2.3 Output Filter Selection
        4. 7.2.2.4 Input Capacitor Selection
        5. 7.2.2.5 Bootstrap Capacitor Selection
      3. 7.2.3 Application Curves
    3. 7.3 Power Supply Recommendations
    4. 7.4 Layout
      1. 7.4.1 Layout Guidelines
      2. 7.4.2 Layout Example
  9. 8 Device and Documentation Support
    1. 8.1 Device Support
      1. 8.1.1 Development Support
        1. 8.1.1.1 Custom Design with WEBENCH® Tools
    2. 8.2 接收文档更新通知
    3. 8.3 支持资源
    4. 8.4 Trademarks
    5. 8.5 静电放电警告
    6. 8.6 术语表
  10. 9 Revision History
  11. 10Mechanical, 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)

5.5 Electrical Characteristics

TJ = –40°C to 125°C, V = 12 V (unless otherwise noted)
PARAMETERTEST CONDITIONSMINTYPMAXUNIT
SUPPLY CURRENT
IVINOperating – non-switching supply currentVIN current, EN = 5 V, VFB = 0.9 VTPS562201120200µA
TPS562208350500
IVINSDNShutdown supply currentVIN current, EN = 0 V

8

20µA
LOGIC THRESHOLD
VENHEN high-level input voltage1.6V
VENLEN low-level input voltage0.8V
RENEN pin resistance to GNDVEN = 1.5 V

600

15002400kΩ
IEN

EN pulldown current

VEN = 1.5 V

1

µA
VFB VOLTAGE AND DISCHARGE RESISTANCE
VFBTHVFB threshold voltage (1)VO = 1.05 V, IO = 10 mA, Eco-mode operation774mV
VFB threshold voltageVO = 1.05 V, continuous mode operation749768787mV
IVFBVFB input currentVFB = 0.8 V0±0.1µA
MOSFET
RDS(on)hHigh-side switch resistanceTA = 25°C, VBST – SW = 5 V140mΩ
RDS(on)lLow-side switch resistanceTA = 25°C84mΩ
CURRENT LIMIT
IoclCurrent limitDC current, VOUT = 1.05 V, L1 = 2.2 µH2.43.24.0A
THERMAL SHUTDOWN
TSDNThermal shutdown threshold(1)Shutdown temperature160°C
Hysteresis25
ON-TIME TIMER CONTROL
tOFF(MIN)Minimum off timeVFB = 0.5 V220310ns
SOFT START
tssSoft-start timeInternal soft-start time1.0ms
Frequency
FswSwitching frequencyVIN = 12 V, VO = 1.05 V, FCCM mode580kHz
OUTPUT UNDERVOLTAGE AND OVERVOLTAGE PROTECTION
VUVPOutput UVP thresholdHiccup detect (H > L)65%
THICCUP_WAITHiccup wait time1.2ms
THICCUP_REHiccup time before restart10ms
UVLO
UVLOUVLO thresholdWake up VIN voltage

3.8

4.3V
Shut down VIN voltage3.33.4
Hysteresis VIN voltage0.4
(1) Not production tested