ZHCSIG5E July   2018  – August 2021 TPS63805 , TPS63806 , TPS63807

PRODUCTION DATA  

  1. 1 特性
  2. 2 应用
  3. 3 说明
  4. 4 Revision History
  5. 5 说明（续）
  6. 6 Device Comparison Table
  7. 7 Pin Configuration and Functions
  8. 8 Specifications
    1. 8.1 Absolute Maximum Ratings
    2. 8.2 ESD Ratings
    3. 8.3 Recommended Operating Conditions
    4. 8.4 Thermal Information
    5. 8.5 Electrical Characteristics
    6. 8.6 Typical Characteristics
  9. 9 Detailed Description
    1. 9.1 Overview
    2. 9.2 Functional Block Diagram
    3. 9.3 Feature Description
      1. 9.3.1  Control Loop Description
      2. 9.3.2  Precise Device Enable: Threshold- or Delayed Enable
      3. 9.3.3  Mode Selection (PFM/PWM)
      4. 9.3.4  Undervoltage Lockout (UVLO)
      5. 9.3.5  Soft Start
      6. 9.3.6  Adjustable Output Voltage
      7. 9.3.7  Overtemperature Protection - Thermal Shutdown
      8. 9.3.8  Input Overvoltage - Reverse-Boost Protection (IVP)
      9. 9.3.9  Output Overvoltage Protection (OVP)
      10. 9.3.10 Power-Good Indicator
    4. 9.4 Device Functional Modes
      1. 9.4.1 Peak-Current Mode Architecture
        1. 9.4.1.1 Reverse Current Operation, Negative Current
        2. 9.4.1.2 Boost Operation
        3. 9.4.1.3 Buck-Boost Operation
        4. 9.4.1.4 Buck Operation
      2. 9.4.2 Power Save Mode Operation
        1. 9.4.2.1 Current Limit Operation
  10. 10Application and Implementation
    1. 10.1 Application Information
    2. 10.2 Typical Application
      1. 10.2.1 Design Requirements
      2. 10.2.2 Detailed Design Procedure
        1. 10.2.2.1 Custom Design With WEBENCH® Tools
        2. 10.2.2.2 Inductor Selection
        3. 10.2.2.3 Output Capacitor Selection
        4. 10.2.2.4 Input Capacitor Selection
        5. 10.2.2.5 Setting The Output Voltage
      3. 10.2.3 Application Curves
  11. 11Power Supply Recommendations
  12. 12Layout
    1. 12.1 Layout Guidelines
    2. 12.2 Layout Example
  13. 13Device and Documentation Support
    1. 13.1 Device Support
      1. 13.1.1 第三方米6体育平台手机版_好二三四免责声明
      2. 13.1.2 Development Support
        1. 13.1.2.1 Custom Design With WEBENCH® Tools
    2. 13.2 接收文档更新通知
    3. 13.3 支持资源
    4. 13.4 Trademarks
    5. 13.5 Electrostatic Discharge Caution
    6. 13.6 术语表
  14. 14Mechanical, Packaging, and Orderable Information

8.5 Electrical Characteristics

VIN= 1.8 V to 5.5 V, VOUT = 1.8 V to 5.2 V , TJ= –40°C to +125°C, typical values are at VIN= 3.6 V, VOUT = 3.3 V and TJ= 25°C (unless otherwise noted)
PARAMETERTEST CONDITIONSMINTYPMAXUNIT
SUPPLY
VIN;LOADMinimum input voltage for full load, once startedIOUT = 2 A, VOUT = 3.3 V, TJ = 25°C2.3V
IQ;VINQuiescent current into VINTPS63805/TPS63807; TJ = 25°C, EN = VIN = 3.6 V, VOUT = 3.3 V, not switching11μA
IQ;VINQuiescent current into VINTPS63806; TJ = 25°C, EN = VIN = 3.6 V, VOUT = 3.3 V, not switching13μA
ISDShutdown current into VINEN = low, -40°C ≤ TJ ≤ 85°C, VIN = 3.6 V, VOUT = 0 V45600nA
UVLOUndervoltage lockout thresholdVIN falling, VOUT ≥ 1.8 V, once started1.21.251.29V
Undervoltage lockout thresholdVIN rising1.61.71.79V
TSDThermal shutdownTemperature rising150°C
TSD;HYSTThermal shutdown hysteresis20°C
SOFT-START, POWER GOOD
Tramp Soft-start, Current limit ramp timeTPS63805/TPS63806 TJ = 25°C, VIN = 3.6 V, VOUT = 3.3 V, IO = 3.5 A, time from first switching to power good224µs
TPS63807 TJ = 25°C, VIN = 3.6 V, VOUT = 3.3 V, IO = 3.5 A, time from first switching to power good

480

µs
Tdelay Delay from EN-edge until rising VOUTTJ = 25°C, VIN = 3.6 V, VOUT = 3.3 V, Delay from EN-edge until rising first switching321µs
LOGIC SIGNALS EN, MODE
VTHR;ENThreshold Voltage rising for EN-Pin1.071.11.13V
VTHF;ENThreshold Voltage falling for EN-Pin0.9711.03V
VIHHigh-level input voltage1.2V
VILLow-level input voltage0.4V
VPG;risingPower Good threshold voltageVOUT rising, referenced to VOUT nominal95%
VPG;fallingVOUT falling, referenced to VOUT nominal90%
VPG;LowPower Good low-level output voltageISINK = 1 mA0.4V
tPG;delay Power Good delay timeVFB falling14µs
IlkgInput leakage current0.010.2µA
OUTPUT
ISDShutdown current into VOUTTPS63805/TPS63806 EN = low, -40°C ≤ TJ ≤ 85°C, VIN = 3.6 V, VOUT = 3.3 V±0.5±600nA
VFBFeedback Regulation Voltage500mV
VFBFeedback Voltage accuracyPWM mode–11%
Overvoltage Protection Threshold VOUT rising 5.55.75.9V
VIN rising 5.55.75.9V
IPWM/PFMPeak Inductor Current to enter PFM-ModeVIN = 3.6 V; VOUT = 3.3 V1.06A
IFBFeedback Input Bias CurrentVFB = 500 mV5100nA
IPKPeak Current Limit, Boost ModeTPS63805/TPS63807; VIN ≥ 2.5 V455.75A
Peak Current Limit, Buck-Boost Mode5A
Peak Current Limit, Buck Mode3.8A
IPKPeak Current Limit, Boost ModeTPS63806; VIN ≥ 2.5V4.45.56.25A
Peak Current Limit, Buck-Boost Mode5.5A
Peak Current Limit, Buck Mode4A
IPK;ReversePeak Current Limit for Reverse OperationVI = 5 V, VO = 3.3 V–0.9A
Buck RDS;ON High-side FET on-resistanceVIN = 3 V, VOUT = 3.3 V; I(L2) = 0.19 AVIN = 3 V, VOUT = 3.3 V; IO = 0.5 A47mΩ
Low-side FET on-resistanceVIN = 3 V, VOUT = 3.3 V; I(L2) = 0.19 AVIN = 3 V, VOUT = 3.3 V; IO = 0.5 A30mΩ
Boost RDS;ONHigh-side FET on-resistanceVIN = 3 V, VOUT = 3.3 V; I(L1) = 0.19 AVIN = 3 V, VOUT = 3.3 V; IO = 0.5 A43mΩ
Low-side FET on-resistanceVIN = 3 V, VOUT = 3.3 V; I(L1) = 0.19 AVIN = 3 V, VOUT = 3.3 V; IO = 0.5 A18mΩ
fSW Inductor Switching Frequency, Boost ModeVIN = 2.3V, VOUT = 3.3V, no Load, MODE = HIGH, TJ = 25°C2.1MHz
Inductor Switching Frequency, Buck-Boost ModeVIN = 3.3V, VOUT = 3.3V, no Load, MODE = HIGH, TJ = 25°C1.4MHz
Inductor Switching Frequency, Buck ModeVIN = 4.3, VOUT = 3.3V, no Load, MODE = HIGH, TJ = 25°C1.6MHz
Line regulationVIN = 2.4 V to 5.5 V, VOUT = 3.3V, IOUT = 2 A0.3%
Load regulationVIN= 3.6 V, VOUT = 3.3V, IOUT = 0 A to 2 A, forced-PWM mode0.1%
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