ZHCSI15L June   2006  – May 2018 TPS65023 , TPS65023B

PRODUCTION DATA.  

  1. 1 特性
  2. 2 应用
  3. 3 说明
    1.     简化原理图
  4. 4 修订历史记录
  5. 5 Pin Configuration and Functions
    1.     Pin 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  Electrical Characteristics: Supply Pins VCC, VINDCDC1, VINDCDC2, VINDCDC3
    7. 6.7  Electrical Characteristics: Supply Pins VBACKUP, VSYSIN, VRTC, VINLDO
    8. 6.8  Electrical Characteristics: VDCDC1 Step-Down Converter
    9. 6.9  Electrical Characteristics: VDCDC2 Step-Down Converter
    10. 6.10 Electrical Characteristics: VDCDC3 Step-Down Converter
    11. 6.11 I2C Timing Requirements for TPS65023B
    12. 6.12 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  VRTC Output and Operation With or Without Backup Battery
      2. 7.3.2  Step-Down Converters, VDCDC1, VDCDC2, and VDCDC3
      3. 7.3.3  Power Save Mode Operation
      4. 7.3.4  Low Ripple Mode
      5. 7.3.5  Soft-Start
      6. 7.3.6  100% Duty Cycle Low Dropout Operation
      7. 7.3.7  Active Discharge When Disabled
      8. 7.3.8  Power-Good Monitoring
      9. 7.3.9  Low-Dropout Voltage Regulators
      10. 7.3.10 Undervoltage Lockout
      11. 7.3.11 Power-Up Sequencing
    4. 7.4 Device Functional Modes
    5. 7.5 Programming
      1. 7.5.1 System Reset + Control Signals
        1. 7.5.1.1 DEFLDO1 and DEFLDO2
        2. 7.5.1.2 Interrupt Management and the INT Pin
      2. 7.5.2 Serial Interface
    6. 7.6 Register Maps
      1. 7.6.1 VERSION Register Address: 00h (Read Only)
      2. 7.6.2 PGOODZ Register Address: 01h (Read Only)
      3. 7.6.3 MASK Register Address: 02h (Read and Write), Default Value: C0h
      4. 7.6.4 REG_CTRL Register Address: 03h (Read and Write), Default Value: FFh
      5. 7.6.5 CON_CTRL Register Address: 04h (Read and Write), Default Value: B1h
      6. 7.6.6 CON_CTRL2 Register Address: 05h (Read and Write), Default Value: 40h
      7. 7.6.7 DEFCORE Register Address: 06h (Read and Write), Default Value: 14h/1Eh
      8. 7.6.8 DEFSLEW Register Address: 07h (Read and Write), Default Value: 06h
      9. 7.6.9 LDO_CTRL Register Address: 08h (Read and Write), Default Value: Set with DEFLDO1 and DEFLDO2
  8. 8 Application and Implementation
    1. 8.1 Application Information
      1. 8.1.1 Input Voltage Connection
      2. 8.1.2 Unused Regulators
      3. 8.1.3 Reset Condition of DCDC1
    2. 8.2 Typical Application
      1. 8.2.1 Design Requirements
      2. 8.2.2 Detailed Design Procedure
        1. 8.2.2.1 Inductor Selection for the DC-DC Converters
        2. 8.2.2.2 Output Capacitor Selection
        3. 8.2.2.3 Input Capacitor Selection
        4. 8.2.2.4 Output Voltage Selection
        5. 8.2.2.5 VRTC Output
        6. 8.2.2.6 LDO1 and LDO2
        7. 8.2.2.7 TRESPWRON
        8. 8.2.2.8 VCC Filter
      3. 8.2.3 Application Curves
  9. 9 Power Supply Recommendations
    1. 9.1 Requirements for Supply Voltages Below 3.0 V
  10. 10Layout
    1. 10.1 Layout Guidelines
    2. 10.2 Layout Example
  11. 11器件和文档支持
    1. 11.1 器件支持
      1. 11.1.1 第三方米6体育平台手机版_好二三四免责声明
      2. 11.1.2 开发支持
    2. 11.2 文档支持
      1. 11.2.1 相关文档
    3. 11.3 相关链接
    4. 11.4 社区资源
    5. 11.5 商标
    6. 11.6 静电放电警告
    7. 11.7 术语表
  12. 12机械、封装和可订购信息

封装选项

请参考 PDF 数据表获取器件具体的封装图。

机械数据 (封装 | 引脚)
  • RSB|40
散热焊盘机械数据 (封装 | 引脚)
订购信息

6.3 Recommended Operating Conditions

over operating free-air temperature range (unless otherwise noted)
MIN NOM MAX UNIT
VCC Input voltage step-down converters
(VINDCDC1, VINDCDC2, VINDCDC3); pins need to be tied to the same voltage rail		 2.5 6 V
VO Output voltage for VDCDC1 step-down converter(1) 0.6 VINDCDC1 V
Output voltage for VDCDC2 step-down converter(1) 0.6 VINDCDC2
Output voltage for VDCDC3 step-down converter(1) 0.6 VINDCDC3
VI Input voltage for LDOs (VINLDO1, VINLDO2) 1.5 6.5 V
VO Output voltage for LDOs (VLDO1, VLDO2) 1 VINLDO1–2 V
IO(DCDC1) Output current at L1 1700 mA
Inductor at L1(2) 1.5 2.2 μH
CI(DCDC1) Input capacitor at VINDCDC1 (2) 10 μF
CO(DCDC1) Output capacitor at VDCDC1 (2) 10 22 μF
IO(DCDC2) Output current at L2 1200 mA
Inductor at L2 (2) 1.5 2.2 μH
CI(DCDC2) Input capacitor at VINDCDC2 (2) 10 μF
CO(DCDC2) Output capacitor at VDCDC2 (2) 10 22 μF
IO(DCDC3) Output current at L3 1000 mA
Inductor at L3 (2) 1.5 2.2 μH
CI(DCDC3) Input capacitor at VINDCDC3(2) 10 μF
CO(DCDC3) Output capacitor at VDCDC3 (2) 10 22 μF
CI(VCC) Input capacitor at VCC (2) 1 μF
Ci(VINLDO) Input capacitor at VINLDO (2) 1 μF
CO(VLDO1-2) Output capacitor at VLDO1, VLDO2 (2) 2.2 μF
IO(VLDO1-2) Output current at VLDO1, VLDO2 200 mA
CO(VRTC) Output capacitor at VRTC (2) 4.7 μF
TA Operating ambient temperature –40 85 °C
TJ Operating junction temperature –40 125 °C
Resistor from VINDCDC3, VINDCDC2, VINDCDC1 to VCC used for filtering(3) 1 10 Ω
(1) When using an external resistor divider at DEFDCDC3, DEFDCDC2, and DEFDCDC1
(2) See Application Information section for more information.
(3) Up to 3 mA can flow into VCC when all 3 converters are running in PWM. This resistor causes the UVLO threshold to be shifted accordingly.
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