SBVS439 April   2024 TPS7B91

PRODUCTION DATA  

  1.   1
  2. 1 Features
  3. 2 Applications
  4. 3 Description
  5. 4 Pin Configuration and Functions
  6. 5 Specifications
    1. 5.1 Absolute Maximum Ratings
    2. 5.2 ESD Ratings
    3. 5.3 Recommended Operating Conditions
    4. 5.4 Thermal Information
    5. 5.5 Electrical Characteristics
    6. 5.6 Typical Characteristics
  7. 6 Detailed Description
    1. 6.1 Overview
    2. 6.2 Functional Block Diagrams
    3. 6.3 Feature Description
      1. 6.3.1 Wide Supply Range
      2. 6.3.2 Low Quiescent Current
      3. 6.3.3 Dropout Voltage (VDO)
      4. 6.3.4 Current Limit
      5. 6.3.5 Leakage Null Control Circuit
    4. 6.4 Device Functional Modes
      1. 6.4.1 Normal Operation
      2. 6.4.2 Dropout Operation
  8. 7 Application and Implementation
    1. 7.1 Application Information
    2. 7.2 Typical Application
      1. 7.2.1 Design Requirements
      2. 7.2.2 Detailed Design Procedure
        1. 7.2.2.1 Setting VOUT for the TPS7B9101 Adjustable LDO
        2. 7.2.2.2 External Capacitor Requirements
        3. 7.2.2.3 Input and Output Capacitor Requirements
        4. 7.2.2.4 Reverse Current
        5. 7.2.2.5 Feed-Forward Capacitor (CFF)
        6. 7.2.2.6 Power Dissipation (PD)
        7. 7.2.2.7 Estimating Junction Temperature
      3. 7.2.3 Application Curves
    3. 7.3 Best Design Practices
    4. 7.4 Power Supply Recommendations
    5. 7.5 Layout
      1. 7.5.1 Layout Guidelines
        1. 7.5.1.1 Power Dissipation
      2. 7.5.2 Layout Example
  9. 8 Device and Documentation Support
    1. 8.1 Device Support
      1. 8.1.1 Development Support
        1. 8.1.1.1 Evaluation Module
        2. 8.1.1.2 Spice Models
      2. 8.1.2 Device Nomenclature
    2. 8.2 Documentation Support
      1. 8.2.1 Related Documentation
    3. 8.3 Receiving Notification of Documentation Updates
    4. 8.4 Support Resources
    5. 8.5 Trademarks
    6. 8.6 Electrostatic Discharge Caution
    7. 8.7 Glossary
  10. 9 Revision History
  11. 10Mechanical, Packaging, and Orderable Information

Package Options

Mechanical Data (Package|Pins)
Thermal pad, mechanical data (Package|Pins)
Orderable Information

7.2.3 Application Curves

at operating temperature TJ = 25°C, VIN = VOUT(NOM) + 0.5V or 2.5V (whichever is greater), IOUT = 1mA, CIN = 1µF, and COUT = 1µF (unless otherwise noted)

GUID-20240223-SS0I-SLTJ-GPP9-DNHTD7P3LNVC-low.svg
VOUT = 5.0V, IOUT = 1mA, dVIN/dt = 1V/μs
Figure 7-5 VIN Line Transient (7V to 10V)
GUID-20240223-SS0I-SCRW-DLL2-GTVZWSM2XDHB-low.svg
VOUT = 5.0V, IOUT = 1mA, dVIN/dt = 1V/μs
Figure 7-7 VIN Line Transient (7V to 40V)
GUID-20240223-SS0I-WQ3N-V5V3-JJKPNBD54RW0-low.svg
VOUT = 5.0V, IOUT = 1mA, dVIN/dt = 1V/μs
Figure 7-9 VIN Line Transient (8.8V to 10V)
GUID-20240223-SS0I-VRWW-R4LQ-PVQXLRS2WFWV-low.svg
VIN = 7.0V, VOUT = 5.0V, dIOUT/dt = 0.1A/μs
Figure 7-11 Load Transient (1mA to 150mA)
GUID-20240223-SS0I-85M4-WB5J-PKSKFK4ZQHJT-low.svg
VOUT = 5.0V, IOUT = 1mA, dVIN/dt = 1V/μs
Figure 7-13 Brownout Transient (40V to 1.7V)
GUID-20240223-SS0I-LWFQ-GQ0F-F8CX1ZMPBM9K-low.svg
VIN = 5.5V, VOUT = 5.0V, IOUT = 1mA, ROUT = 5kΩ
Figure 7-15 Start-Up
GUID-20240223-SS0I-Z7PT-GHFS-GJTNFH95H79C-low.svg
VOUT = 5.0V, IOUT = 150mA, dVIN/dt = 1V/μs
Figure 7-6 VIN Line Transient (7V to 10V)
GUID-20240223-SS0I-QTQ4-6KZ2-HCN7V6GKZMCD-low.svg
VOUT = 5.0V, IOUT = 150mA, dVIN/dt = 1V/μs
Figure 7-8 VIN Line Transient (7V to 40V)
GUID-20240223-SS0I-700V-HPLX-ZS36SDB3LJNH-low.svg
VOUT = 5.0V, IOUT = 1mA, dVIN/dt = 1V/μs
Figure 7-10 VIN Line Transient (8.8V to 40V)
GUID-20240223-SS0I-SZQQ-RZMG-MCW4RTZX1NDW-low.svg
VIN = 7.0V, VOUT = 5.0V, dIOUT/dt = 1A/μs
Figure 7-12 Load Transient (1mA to 150mA)
GUID-20240223-SS0I-80RC-XQW2-PCLHJZ1QVPWJ-low.svg
VOUT = 5.0V, IOUT = 1mA, dVIN/dt = 1V/μs
Figure 7-14 Brownout Transient (40V to 2.1V)
GUID-20240223-SS0I-9R86-7FMD-JQPSMLTQN1NK-low.svg
VIN = 5.5V, VOUT = 5.0V
Figure 7-16 Inrush Current vs Output Capacitor