ZHCSEL5D December   2015  – September 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 Prebiased 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
    1. 10.1 Tape and Reel 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

5.5 Electrical Characteristics

TJ = –40°C to 125°C, V = 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 = 0.9 V TPS562201 120 200 µA
TPS562208 350 500
IVINSDN Shutdown supply current VIN current, EN = 0 V

8

 20 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 = 1.5 V

600

 1500 2400 kΩ
IEN

EN pulldown current

 VEN = 1.5 V

1

 µA
VFB VOLTAGE AND DISCHARGE RESISTANCE
VFBTH VFB threshold voltage (1) VO = 1.05 V, IO = 10 mA, Eco-mode operation 774 mV
VFB threshold voltage VO = 1.05 V, continuous mode operation 749 768 787 mV
IVFB VFB input current VFB = 0.8 V 0 ±0.1 µA
MOSFET
RDS(on)h High-side switch resistance TA = 25°C, VBST – SW = 5 V 140 mΩ
RDS(on)l Low-side switch resistance TA = 25°C 84 mΩ
CURRENT LIMIT
Iocl Current limit DC current, VOUT = 1.05 V, L1 = 2.2 µH 2.4 3.2 4.0 A
THERMAL SHUTDOWN
TSDN Thermal shutdown threshold(1) Shutdown temperature 160 °C
Hysteresis 25
ON-TIME TIMER CONTROL
tOFF(MIN) Minimum off time VFB = 0.5 V 220 310 ns
SOFT START
tss Soft-start time Internal soft-start time 1.0 ms
Frequency
Fsw Switching frequency VIN = 12 V, VO = 3.3 V, IO = 1 A 580 kHz
OUTPUT UNDERVOLTAGE AND OVERVOLTAGE PROTECTION
VUVP Output UVP threshold Hiccup detect (H > L) 65%
THICCUP_WAIT Hiccup wait time 1.2 ms
THICCUP_RE Hiccup time before restart 10 ms
UVLO
UVLO UVLO threshold Wake up VIN voltage

3.8

 4.3 V
Shut down VIN voltage 3.3 3.4
Hysteresis VIN voltage 0.4
(1) Not production tested
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