ZHCSOY3L January   2005  – February 2022 TPS799

PRODUCTION DATA  

  1. 特性
  2. 应用
  3. 描述
  4. Revision History
  5. Pin Configuration and Functions
  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. Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagrams
    3. 7.3 Feature Description
      1. 7.3.1 Internal Current Limit
      2. 7.3.2 Shutdown
      3. 7.3.3 Start Up
      4. 7.3.4 Undervoltage Lockout (UVLO)
    4. 7.4 Device Functional Modes
  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 Input and Output Capacitor Requirements
        2. 8.2.2.2 Output Noise
        3. 8.2.2.3 Dropout Voltage
        4. 8.2.2.4 Transient Response
        5. 8.2.2.5 Minimum Load
        6. 8.2.2.6 Feedback Capacitor Requirements (TPS79901 Only)
      3. 8.2.3 Application Curve
    3. 8.3 What To Do and What Not To Do
  9. Power Supply Recommendations
  10. 10Layout
    1. 10.1 Layout Guidelines
      1. 10.1.1 Board Layout Recommendations to Improve PSRR and Noise Performance
      2. 10.1.2 Thermal Information
        1. 10.1.2.1 Thermal Protection
        2. 10.1.2.2 Power Dissipation
        3. 10.1.2.3 Package Mounting
    2. 10.2 Layout Example
  11. 11Device and Documentation Support
    1. 11.1 Device Support
      1. 11.1.1 Development Support
        1. 11.1.1.1 Evaluation Modules
        2. 11.1.1.2 Spice Models
      2. 11.1.2 Device Nomenclature
    2. 11.2 Documentation Support
      1. 11.2.1 Related Documentation
    3. 11.3 接收文档更新通知
    4. 11.4 支持资源
    5. 11.5 Trademarks
    6. 11.6 Electrostatic Discharge Caution
    7. 11.7 术语表
  12. 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

Typical Characteristics

at TJ= –40°C to +125°C, VIN = VOUT(nom) + 0.3 V or 2.7 V (whichever is greater), IOUT = 1 mA, VEN = VIN, COUT = 2.2 μF, and CNR = 0.01 μF (unless otherwise noted); for TPS79901, VOUT = 3.0 V; typical values are at TJ  = 25°C

GUID-C8C0C2D8-9F55-4878-BD74-8B5F278CC139-low.gif
 
Figure 6-1 Load Regulation
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Figure 6-3 Output Voltage vs Junction Temperature
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Figure 6-5 TPS799285 Dropout Voltage vs Junction Temperature
GUID-4E5DE4B2-0C34-4B0D-AFA6-F71CECB2451D-low.gif
 
Figure 6-7 Ground Pin Current vs Input Voltage
GUID-411E98E2-2631-4854-B7BD-B97D88A1F21A-low.gif
 
Figure 6-9 Ground Pin Current (Disabled) vs Junction Temperature
GUID-3FA88F86-80BE-402C-B741-4135ACBD53E3-low.gif
VIN – VOUT = 0.5 V
Figure 6-11 TPS799285 Power-Supply Ripple Rejection vs Frequency
GUID-6054DEC6-B179-489E-B4E3-211E48715B33-low.gif
VIN – VOUT = 1.0 V
Figure 6-13 TPS799285 Power-Supply Ripple Rejection vs Frequency
GUID-8C3ABF68-CB42-4B9B-B7A9-C394ADEAB187-low.gif
VIN – VOUT = 1.0 V
Figure 6-15 TPS799285 Power-Supply Ripple Rejection vs Frequency
GUID-9B5E33EA-0820-4802-99A9-1F06E97CC795-low.gif
IOUT = 100 mA
Figure 6-17 Power-Supply Ripple Rejection vs VIN – VOUT
GUID-57E06E95-739E-4ACF-8340-2F45AE72E3D3-low.gif
 
Figure 6-19 TPS799285 Total Noise vs CNR
GUID-99B0FE44-E053-479F-B69F-477C73F3E3EF-low.gif
 
Figure 6-21 TPS799285 Line Transient Response
GUID-94CE4A01-4327-4B46-9EF3-8A3BF091F967-low.gif
VEN = VIN
Figure 6-23 TPS799285 Turn-On Response
GUID-ED45C983-DDB8-4DF2-BACA-5D48019C9BE7-low.gif
 
Figure 6-25 TPS799285 Power-Up and Power-Down
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Figure 6-2 Line Regulation
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Figure 6-4 TPS799285 Dropout Voltage vs Output Current
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Figure 6-6 TPS79901 Dropout vs Input Voltage
GUID-8B4EDDE9-1AD0-4C80-A2D4-3AE72CC6D14C-low.gif
 
Figure 6-8 TPS799285 Ground Pin Current vs Junction Temperature
GUID-8D145B98-E437-4BAD-91E2-8A8535A32F30-low.gif
VIN – VOUT = 1.0 V
Figure 6-10 TPS799285 Power-Supply Ripple Rejection vs Frequency
GUID-145151A7-66E0-4EF4-AF29-31D4850154EE-low.gif
VIN – VOUT = 0.25 V
Figure 6-12 TPS799285 Power-Supply Ripple Rejection vs Frequency
GUID-E4C3C7A8-0B08-45A0-9B7A-9A46FD88608E-low.gif
VIN – VOUT = 0.25 V
Figure 6-14 TPS799285 Power-Supply Ripple Rejection vs Frequency
GUID-F27E34DE-A4E7-4328-ADD9-7D3953EC6638-low.gif
IOUT = 1 mA
Figure 6-16 Power-Supply Ripple Rejection vs VIN – VOUT
GUID-9F0F4B8E-D57C-4676-814B-A8C0888DEACC-low.gif
IOUT = 200 mA
Figure 6-18 Power-Supply Ripple Rejection vs VIN – VOUT
GUID-53983CCF-716F-4240-9422-EAE3680D2B3A-low.gif
 
Figure 6-20 TPS799285 Total Noise vs COUT
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Figure 6-22 TPS799285 Load Transient Response
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Figure 6-24 TPS799285 Enable Response