JAJSFM1B June   2018  – January 2021 TPS61372

PRODUCTION DATA  

  1. 1 特長
  2. 2 アプリケーション
  3. 3 概要
  4. 4 Revision History
  5. 5 Pin Configuration and 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 Undervoltage Lockout
      2. 7.3.2 Enable and Disable
      3. 7.3.3 Error Amplifier
      4. 7.3.4 Bootstrap Voltage (BST)
      5. 7.3.5 Load Disconnect
      6. 7.3.6 Overvoltage Protection
      7. 7.3.7 Thermal Shutdown
      8. 7.3.8 Start-Up
      9. 7.3.9 Short Protection
    4. 7.4 Device Functional Modes
      1. 7.4.1 Operation
      2. 7.4.2 Auto PFM Mode
      3. 7.4.3 Forced PWM Mode
      4. 7.4.4 Mode Selectable
  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 Setting the Output Voltage
        3. 8.2.2.3 Selecting the Inductor
        4. 8.2.2.4 Selecting the Output Capacitors
        5. 8.2.2.5 Selecting the Input Capacitors
        6. 8.2.2.6 Loop Stability and Compensation
          1. 8.2.2.6.1 Small Signal Model
        7. 8.2.2.7 Loop Compensation Design Steps
        8. 8.2.2.8 Selecting the Bootstrap Capacitor
      3. 8.2.3 Application Curves
  9. 9 Power Supply Recommendations
  10. 10Layout
    1. 10.1 Layout Guidelines
    2. 10.2 Layout Example
      1. 10.2.1 Thermal Considerations
  11. 11Device and Documentation Support
    1. 11.1 Device Support
      1. 11.1.1 Third-Party Products Disclaimer
      2. 11.1.2 Development Support
        1. 11.1.2.1 Custom Design With WEBENCH® Tools
    2. 11.2 ドキュメントの更新通知を受け取る方法
    3. 11.3 サポート・リソース
    4. 11.4 Trademarks
    5. 11.5 静電気放電に関する注意事項
    6. 11.6 用語集
  12. 12Mechanical, Packaging, and Orderable Information

パッケージ・オプション

デバイスごとのパッケージ図は、PDF版データシートをご参照ください。

メカニカル・データ（パッケージ｜ピン）
  • YKB|16
サーマルパッド・メカニカル・データ
発注情報

6.5 Electrical Characteristics

VIN = 2.5 V to 5.5 V and VOUT = 5 V to 16 V, TJ = - 40°C to 125°C , Typical values are at TJ = 25°C, unless otherwise noted.
PARAMETERTEST CONDITIONMINTYPMAXUNIT
POWER SUPPLY
VIN_UVLOInput voltage under voltage lockout (UVLO) threshold, risingVOUT = 12 V, TJ = - 40°C to 125°C2.32V
Input voltage under voltage lockout (UVLO) threshold, falling2.1V
IQQuiescent current into VIN pinIC enabled, no switching
TJ = – 40°C to 85°C		74110µA
IQQuiescent current into VOUT pinIC enabled, no switching, VIN =  2.5 V, VOUT = 5 V to 16 V,
TJ = – 40°C to 85°C		1026µA
ISDShutdown current from VIN to GNDVIN = 2.5 V to 5.5 V, VOUT = SW = 0 V, EN = 0,
TJ = - 40°C to 85°C		0.031µA
OUTPUT VOLTAGE
VREFReference voltage on FB pin0.5850.5940.603V
AUTO PFM modeVIN = 4 V, VOUT = 12 V, TJ = 25°C 1.016VREF
IFB_LKGLeakage current into FB pin  30nA
POWER SWITCHES
RDS(on)Low-side FET on resistanceVIN = 4 V, VOUT = 12 V, TJ = 25°C33mΩ
High-side + Dis connect FET on resistanceVIN = 4 V, VOUT = 12 V, TJ = 25°C104mΩ
CURRENT LIMIT
ILIMCurrent Limit (Auto PFM)VIN = 3 V to 4.5 V, VOUT = 5 V to 16 V, TJ = - 40°C to 125°C3.43.84.3A
Current Limit (Forced PWM)VIN = 3 V to 4.5 V, VOUT = 5 V to 16 V, TJ = - 40°C to 125°C3.283.64.0A
EN, MODE LOGICS
VIHEN, MODE pin high level input voltage1.2V
VILEN, MODE pin low level input voltage0.4V
VHYSEN, MODE pin Hysteresis100mV
TDEGLITCHEN, MODE deglitch time  rising / fallingVIN = 4 V, VOUT = 12 V, TJ = 25°C13µS
RPDEN, MODE pull down resistorVIN = 4 V, VOUT = 12 V, TJ = 25°C800kΩ
SWITCHING CHARACTER
fSWSwitch frequencyVIN = 3 V to 4.5 V, VOUT = 5 V to 12 V, TJ = - 40°C to 125°C1.21.7MHz
fSW_FOLDSwitch frequency foldbackVIN = 4 V, TJ = - 40°C to 125°C470535600kHz
VFSW_LOWThreshold for fsw foldback (1.5 MHz normal)VIN = 4 V, TJ = - 40°C to 125°C15%20%25%VIN
VFSW_LOW_HSYHysteresis for fsw foldbackVIN = 4 V, TJ = 25°C150mV
TIMING
tON_MINMinimum on timeVIN = 4 V, TJ =- 40°C to 125°C7595ns
tSSSoft-start timeVIN = 4 V, VOUT = 12 V, TJ = 25°C0.9ms
tHIC_ONOff time of hiccup cycleVIN = 4 V, VOUT = 12 V, TJ = 25°C74ms
tHIC_OFFOn time of hiccup cycleVIN = 4 V, VOUT = 12 V, TJ = 25°C1.9ms
ERROR AMPLIFIER
VCOMPHCOMP output high voltage Auto PFMVIN = 4 V, VOUT = 12 V, TJ = 25°C, VFB = VREF - 200mV1.4V
COMP output high voltage Forced PWMVIN = 4 V, VOUT = 12 V, TJ = 25°C, VFB = VREF - 200mV1.5V
VCOMPLCOMP output low voltage Auto PFMVIN = 4 V, V°OUT = 12 V, TJ = 25°C, VFB = VREF + 200mV0.8V
COMP output low voltage Forced PWMVIN = 4 V, VOUT = 12 V, TJ = 25°C, VFB = VREF + 200mV0.6V
GmError amplifier trans conductanceVIN = 4 V, VOUT = 12 V, TJ = 25°C175µS
ISINK_EASink current of COMPVIN = 4 V, TJ = 25°C, VFB = VREF + 200mV20µA
ISOURCE_EASource current of COMPVIN = 4 V, TJ = 25°C, VFB = VREF - 200mV20µA
PROTECTION
VOVPOutput over-voltage protection thresholdVIN = 2.5 V to 5.5 V, TJ =- 40°C to 125°C16.517.318V
VOVP_HYSOutput over-voltage protection hysteresisVIN = 4 V, VOUT = 12 V, TJ = 25°C500mV
THERMAL
TSDThermal shutdown thresholdVIN = 4 V, VOUT = 12 V140°C
TSD_HYSThermal shutdown hysteresisVIN = 4 V, VOUT = 12 V20°C