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

10.2.3 Application Curves

Table 10-3 Table of Graphs
FIGURE
ηEfficiencyLoad Current, VOUT = 1.2 V, Auto PFM and PWM Mode, Linear ScaleFigure 10-3
Load Current, VOUT = 1.8 V, Auto PFM and PWM Mode, Linear ScaleFigure 10-4
Load Current, VOUT = 3.3 V, PFM and PWM Mode, Linear ScaleFigure 10-5
Load Current, VOUT = 1.8 V, Auto PFM and PWM Mode vs. Forced PWM Mode, Logarithmic ScaleFigure 10-6
Output Voltage AccuracyLoad Current, VOUT = 1.8 V, Auto PFM and PWM ModeFigure 10-7
Load Current, VOUT = 1.8 V, Forced PWM ModeFigure 10-8
Typical OperationPWM Mode, VIN = 3.6 V, VOUT = 1.8 V, 500 mA, L = 1.2 μH, COUT = 10 μFFigure 10-9
PFM Mode, VIN = 3.6 V, VOUT = 1.8 V, 20 mA, L = 1.2 μH, COUT = 10 μFFigure 10-10
Load TransientPWM Mode, VIN = 3.6 V, VOUT = 1.2 V, 0.2 mA to 1 AFigure 10-11
PFM Mode, VIN = 3.6 V, VOUT = 1.2 V, 20 mA to 250 mAFigure 10-12
VIN = 3.6 V, VOUT = 1.8 V, 200 mA to 1500 mAFigure 10-13
Line TransientPWM Mode, VIN = 3.6 V to 4.2 V, VOUT = 1.8 V, 500 mAFigure 10-14
PFM Mode, VIN = 3.6 V to 4.2 V, VOUT = 1.8 V, 500 mAFigure 10-15
Start-Up into LoadVIN = 3.6 V, VOUT = 1.8 V, Load = 2.2 ΩFigure 10-16
Start-Up TPS62067-Q1Into 2.2-Ω Load with Power GoodFigure 10-17
Output DischargeVIN = 3.6 V, VOUT = 1.8 V, No LoadFigure 10-18
Shutdown TPS62067-Q1VIN = 4.2 V, VOUT = 3.3 V, No Load, PG Pullup Resistor 10 kΩFigure 10-19
GUID-B41D12FE-9165-47CD-B022-BE1398DE5B10-low.gif
VOUT = 1.2 VLinear Scale
L = 1.2 µH (NRG4026T 1R2)COUT = 10 µF (0603 size)
Figure 10-3 Efficiency vs Load Current Auto PFM and PWM MODE
GUID-5A50B467-91CE-483A-A3DD-6274C581656B-low.gif
VOUT = 3.3 VLinear Scale
L = 1.2 µH (NRG4026T 1R2)COUT = 22 µF (0603 size)
Figure 10-5 Efficiency vs Load Current Auto PFM and PWM MODE
GUID-28255B8C-E976-4973-84DC-E531046E2DE7-low.gif
L = 1 µHVOUT = 1.8 VCOUT = 10 µF
Figure 10-7 Output Voltage Accuracy vs Load Current Auto PFM and PWM MODE
GUID-06DAE8B7-453B-4FAA-8997-AEFA57298603-low.gif
VIN = 3.6 VVOUT = 1.8 VMODE = GND
COUT = 10 µFL = 1.2 µHIOUT = 500 mA
Figure 10-9 Typical Operation (PWM Mode)
GUID-02BF049C-5C77-4EBC-88E6-995118A2DE7A-low.gif
VIN = 3.6 VVOUT = 1.2 VIOUT = 0.2 to 1 A
Figure 10-11 Load Transient Response, MODE = VIN PWM Mode 0.2 A to 1 A
GUID-C34A5433-848F-4665-9472-A7CFC2786290-low.gif
VIN = 3.6 VVOUT = 1.8 VL = 1.2 µH
COUT = 10 µF
Figure 10-13 Load Transient Response 200 mA To 1500 mA
GUID-722A6F74-7502-4A67-992E-CCC1070528C0-low.gif
VIN = 3.6 to 4.2 VVOUT = 1.8 VIOUT = 50 mA
COUT = 10 µFL = 1.2 µH
Figure 10-15 Line Transient PFM Mode
GUID-76E10F6D-8FE3-4CDD-99D7-33AA2919179C-low.gif
VIN = 4.2 VVOUT = 3.3 VLoad = 2R2
PG Pullup resistor 10 kΩ
Figure 10-17 Start-Up TPS62067-Q1 into 2.2-Ω Load With Power Good
GUID-FA9C335B-8606-44BB-8874-EA7DDD96D8FE-low.gif
VIN = 4.2 VVOUT = 3.3 VNo load
PG pullup resistor, 10 kΩ
Figure 10-19 Shutdown TPS62067-Q1
GUID-95F0F7F1-627F-4569-912F-FE7D2DC4C0F9-low.gif
VOUT = 1.8 VLinear Scale
L = 1.2 µH (NRG4026T 1R2)COUT = 10 µF (0603 size)
Figure 10-4 Efficiency vs Load Current PFM and PWM MODE
GUID-5E9102B6-F5A6-475B-89AD-3007113AFFA4-low.gif
VOUT = 1.8 VLogarithmic Scale
COUT = 10 µF (0603 size)L = 1.2 µH (NRG4026T 1R2)
Figure 10-6 Efficiency vs Load Current Auto PFM and PWM Mode vs. Forced PWM Mode
GUID-BEF414E4-AF00-4241-B216-3D1724E6CD79-low.gif
L = 1 µHVOUT = 1.8 VCOUT = 10 µF
Figure 10-8 Output Voltage Accuracy vs Load Current Forced PWM MODE
GUID-FC2FAFE9-5BB0-4770-BE61-2525023945DD-low.gif
VIN = 3.6 VVOUT = 1.8 VMODE = GND
COUT = 10 µFL = 1.2 µHIOUT = 20 mA
Figure 10-10 Typical Operation (PFM Mode)
GUID-F4111B3F-FF19-4AA3-8441-B4D52D4FB9F4-low.gif
VIN = 3.6 VVOUT = 1.8 VIOUT = 20 to 750 mA
Figure 10-12 Load Transient PFM Mode 20 mA to 750 mA
GUID-8C9CF368-FBC2-443E-AD7F-DC7131C1DCB3-low.gif
VIN = 3.6 to 4.2 VVOUT = 1.8 VIOUT = 500 mA
COUT = 10 µFL = 1.2 µH
Figure 10-14 Line Transient Response PWM Mode
GUID-97EF4078-69E1-42F1-9182-FE2A65A6E142-low.gif
VIN = 3.6 VVOUT = 1.8 VLoad = 2R2
COUT = 10 µFL = 1.2 µH
Figure 10-16 Start-Up Into Load
GUID-454E3C82-D2FD-48EA-86F7-B7471E746000-low.gif
VIN = 3.6 VVOUT = 1.8 VNo load
COUT = 1.8 µF
Figure 10-18 Output Discharge