ZHCSPP1 May   2022 TPS7A16A

PRODUCTION DATA  

  1. 1 特性
  2. 2 应用
  3. 3 说明
  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 Enable (EN)
      2. 7.3.2 Regulated Output (VOUT)
      3. 7.3.3 PG Delay Timer (DELAY)
    4. 7.4 Device Functional Modes
      1. 7.4.1 Power-Good
        1. 7.4.1.1 Power-Good Delay and Delay Capacitor
  8. 8 Application and Implementation
    1. 8.1 Application Information
    2. 8.2 Typical Application
      1. 8.2.1 TPS7A16A Circuit as an Adjustable Regulator
        1. 8.2.1.1 Design Requirements
        2. 8.2.1.2 Detailed Design Procedure
          1. 8.2.1.2.1 Adjustable Voltage Operation
            1. 8.2.1.2.1.1 Resistor Selection
          2. 8.2.1.2.2 Capacitor Recommendations
          3. 8.2.1.2.3 Input and Output Capacitor Requirements
          4. 8.2.1.2.4 Feed-Forward Capacitor (Only for Adjustable Version)
          5. 8.2.1.2.5 Transient Response
        3. 8.2.1.3 Application Curves
  9. 9 Power Supply Recommendations
  10. 10Layout
    1. 10.1 Layout Guidelines
      1. 10.1.1 Additional Layout Considerations
      2. 10.1.2 Power Dissipation
      3. 10.1.3 Thermal Considerations
    2. 10.2 Layout Examples
  11. 11Device and Documentation Support
    1. 11.1 Device Support
      1. 11.1.1 Device Nomenclature
    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 Electrostatic Discharge Caution
    6. 11.6 术语表
  12. 12Mechanical, Packaging, and Orderable Information
    1. 12.1 Mechanical Data

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

5 Pin Configuration and Functions

Figure 5-1 DGN Package,8-Pin HVSSOP PowerPAD With Exposed Thermal Pad(Top View)
NC – No internal connection
Table 5-1 Pin Functions
PINI/ODESCRIPTION
NAMENO.
DELAY7ODelay pin. Connect a capacitor to GND to adjust the PG delay time; leave open if the reset function is not needed.
EN5IEnable pin. This pin turns the regulator on or off.
If VEN ≥ VEN_HI, the regulator is enabled.
If VEN ≤ VEN_LO, the regulator is disabled.
If not used, the EN pin can be connected to IN. Make sure that VEN ≤ VIN at all times.
FB/DNC2IFor the adjustable version, the feedback pin is the input to the control-loop error amplifier. This pin sets the output voltage of the device when the regulator output voltage is set by external resistors.
For the fixed-voltage versions, do not connect to this pin. Do not route this pin to any electrical net, not even to GND or IN.
GND4—Ground pin.
IN8IRegulator input supply pin. A capacitor > 0.1 µF must be tied from this pin to ground to assure stability. Connect a 10-µF ceramic capacitor from IN to GND (as close to the device as possible) to reduce circuit sensitivity to the printed-circuit-board (PCB) layout, especially when long input traces or high source impedances are encountered.
NC6—This pin can be left open or tied to any voltage between GND and IN.
OUT1ORegulator output pin. A capacitor > 2.2 µF must be tied from this pin to ground to assure stability. Connect a 10-µF ceramic capacitor from OUT to GND (as close to the device as possible) to maximize ac performance.
PG3OPower-good pin. Open-collector output; leave open or connect to GND if the power-good function is not needed.
Thermal padPad—Solder to the PCB to enhance thermal performance. Although the thermal pad can be left floating, TI highly recommends connecting the thermal pad to the GND plane.
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