ZHCSD80B january   2015  – august 2023 TPS62065-Q1 , TPS62067-Q1

PRODUCTION DATA  

  1.   1
  2. 1 特性
  3. 2 应用
  4. 3 说明
  5. 4 Revision History
  6. 5 Device Comparison Table
  7. 6 Pin Configuration and Functions
  8. 7 Specifications
    1. 7.1 Absolute Maximum Ratings
    2. 7.2 ESD Ratings
    3. 7.3 Recommended Operating Conditions
    4. 7.4 Thermal Information
    5. 7.5 Electrical Characteristics
    6.     Typical Characteristics
  9. 8 Parameter Measurement Information
  10. 9 Detailed Description
    1. 9.1 Overview
    2. 9.2 Functional Block Diagram
    3. 9.3 Feature Description
      1. 9.3.1 Mode Selection (TPS62065-Q1) and Forced PWM Mode (TPS62067A-Q1)
      2. 9.3.2 Power Good (PG, TPS62067x-Q1)
      3. 9.3.3 Enable
      4. 9.3.4 Shutdown and Output Discharge
      5. 9.3.5 Soft Start
      6. 9.3.6 Undervoltage Lockout (UVLO)
      7. 9.3.7 Internal Current Limit and Foldback Current Limit For Short-Circuit Protection
      8. 9.3.8 Clock Dithering
      9. 9.3.9 Thermal Shutdown
    4. 9.4 Device Functional Modes
      1. 9.4.1 Power Save Mode
        1. 9.4.1.1 Dynamic Voltage Positioning
        2. 9.4.1.2 100% Duty-Cycle Low-Dropout Operation
  11. 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 Output Voltage Setting
        2. 10.2.2.2 Output Filter Design (Inductor And Output Capacitor)
          1. 10.2.2.2.1 Inductor Selection
          2. 10.2.2.2.2 Output Capacitor Selection
          3. 10.2.2.2.3 Input Capacitor Selection
        3. 10.2.2.3 Checking Loop Stability
      3. 10.2.3 Application Curves
    3. 10.3 Power Supply Recommendations
    4. 10.4 Layout
      1. 10.4.1 Layout Guidelines
      2. 10.4.2 Layout Example
  12. 11Device and Documentation Support
    1. 11.1 Device Support
      1. 11.1.1 第三方产品免责声明
    2. 11.2 接收文档更新通知
    3. 11.3 支持资源
    4. 11.4 Trademarks
    5. 11.5 静电放电警告
    6. 11.6 术语表
  13. 12Mechanical, 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)
订购信息

7.5 Electrical Characteristics

Over operating junction temperature range (TJ = –40°C to 125°C), typical values are at TJ = 25°C. Unless otherwise noted, specifications apply for condition VIN = EN = 3.6 V. External components CIN = 10 μF 0603, COUT = 10 μF 0603, L = 1 μH.
PARAMETERTEST CONDITIONSMINTYPMAXUNIT
SUPPLY
VINInput voltage range2.96V
IQOperating quiescent currentIOUT = 0 mA, device operating in PFM mode
and not device not switching		18μA
ISDShutdown currentEN = GND, current into AVIN and PVIN combined0.15μA
VUVLOUndervoltage lockout thresholdFalling1.731.781.83V
Rising1.91.951.99
ENABLE, MODE
VIHHigh level input voltage2.9 V ≤ VIN ≤ 6 V16V
VILLow level input voltage2.9 V ≤ VIN ≤ 6 V00.4V
IINInput bias currentEN, Mode tied to GND or AVIN0.011μA
POWER GOOD OPEN DRAIN OUTPUT
VTHPGPower good threshold voltageRising feedback voltage93%95%98%
Falling feedback voltage87%90%92%
VOLOutput low voltageIOUT = –1 mA; must be limited by external pullup resistor (2)0.3V
ILKGLeakage current into PG pinV(PG) = 3.6 V100nA
tPGDLInternal power good delay time5µs
POWER SWITCH
RDS(on)High-side MOSFET on-resistanceVIN = 3.6 V (2)120180mΩ
VIN = 5 V(2)95150
RDS(on)Low-side MOSFET on-resistanceVIN = 3.6 V(2)90130mΩ
VIN = 5 V(2)75100
ILIMFForward current limit MOSFET high-side and low-side2.9 V ≤ VIN ≤ 6 V230027503300mA
TSDThermal shutdownIncreasing junction temperature150°C
Thermal shutdown hysteresisDecreasing junction temperature10
OSCILLATOR
fSWOscillator frequency2.9 V ≤ VIN ≤ 6 V2.633.4MHz
OUTPUT
VrefReference voltage600mV
VFB(PWM)Feedback voltage PWM ModePWM operation, MODE = VIN ,
2.9 V ≤ VIN  ≤ 6 V, 0-mA load		–1.5%0%1.5%
VFB(PFM)Feedback voltage PFM mode, Voltage Positioningdevice in PFM mode, voltage positioning active(1)1%
VFBLoad regulation–0.5%/A
Line regulation0%/V
R(Discharge)Internal discharge resistorActivated with EN = GND, 2.9 V ≤ VIN ≤ 6 V, 0.8 ≤ VOUT ≤ 3.6 V752001450Ω
tSTARTStart-up timeTime from active EN to reach 95% of VOUT500μs
(1) In PFM mode, the internal reference voltage is set to typ. 1.01 × Vref. See the parameter measurement information.
(2) Maximum value applies for TJ = 85°C