SBVS372C December   2018  – December 2022 TPS7A25

PRODUCTION DATA  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
  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
  7. 7 Typical Characteristics
  8. 8 Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagrams
    3. 8.3 Feature Description
      1. 8.3.1 Output Enable
      2. 8.3.2 Dropout Voltage
      3. 8.3.3 Current Limit
      4. 8.3.4 Undervoltage Lockout (UVLO)
      5. 8.3.5 Thermal Shutdown
      6. 8.3.6 Power Good
      7. 8.3.7 Active Overshoot Pulldown Circuitry
    4. 8.4 Device Functional Modes
      1. 8.4.1 Device Functional Mode Comparison
      2. 8.4.2 Normal Operation
      3. 8.4.3 Dropout Operation
      4. 8.4.4 Disabled
        1.       Application and Implementation
          1. 9.1 Application Information
            1. 9.1.1 Adjustable Device Feedback Resistors
            2. 9.1.2 Recommended Capacitor Types
            3. 9.1.3 Input and Output Capacitor Requirements
            4. 9.1.4 Reverse Current
            5. 9.1.5 Feed-Forward Capacitor (CFF)
            6. 9.1.6 Power Dissipation (PD)
            7. 9.1.7 Estimating Junction Temperature
            8. 9.1.8 Special Consideration for Line Transients
          2. 9.2 Typical Application
            1. 9.2.1 Design Requirements
            2. 9.2.2 Detailed Design Procedure
              1. 9.2.2.1 Transient Response
              2. 9.2.2.2 Selecting Feedback Divider Resistors
              3. 9.2.2.3 Thermal Dissipation
            3. 9.2.3 Application Curve
          3. 9.3 Power Supply Recommendations
          4. 9.4 Layout
            1. 9.4.1 Layout Guidelines
            2. 9.4.2 Layout Examples
  9. 9 Device and Documentation Support
    1. 9.1 Device Support
      1. 9.1.1 Device Nomenclature
    2. 9.2 Documentation Support
      1. 9.2.1 Related Documentation
    3. 9.3 Receiving Notification of Documentation Updates
    4. 9.4 Support Resources
    5. 9.5 Trademarks
    6. 9.6 Electrostatic Discharge Caution
    7. 9.7 Glossary
  10. 10Mechanical, Packaging, and Orderable Information
    1. 10.1 Mechanical Data

Package Options

Refer to the PDF data sheet for device specific package drawings

Mechanical Data (Package|Pins)
  • DRV|6
Thermal pad, mechanical data (Package|Pins)
Orderable Information

7 Typical Characteristics

at operating temperature TJ = 25°C, IOUT = 1 mA, VEN = 0.9 V, CIN = 2.2 μF, COUT = 2.2 μF, and VIN = VOUT(typ) + 0.5 V or 2.4 V (whichever is greater), unless otherwise noted; typical values are at TJ = 25°C

GUID-0BCECA59-7CEA-4D86-B45E-D94CF2053364-low.gif
IOUT = 1 mA
Figure 7-1 Line Regulation vs VIN
GUID-CC7DB5BB-037F-41ED-88CE-4BC91F3216FA-low.gif
IOUT = 100 mA
Figure 7-3 Dropout Voltage vs VIN
GUID-65C69F63-D46F-4189-9E5D-C374CB7CBD87-low.gif
IOUT = 300 mA
Figure 7-5 Dropout Voltage vs VIN
GUID-D6366136-4034-49B4-A85F-7498A058D841-low.gif
VIN = 18 V
Figure 7-7 Dropout Voltage vs IOUT
GUID-398A9A35-50CE-469C-A5F9-55A0B3FEADBD-low.gif
VOUT = 1.24 V, IOUT = 1 mA
Figure 7-9 IGND vs VIN
GUID-4024D701-874F-44A7-9B0A-1DE466613D0B-low.gif
VOUT = 1.24 V, IOUT = 0 A
Figure 7-11 IQ vs VIN
GUID-19714C63-1776-4928-9307-7F439B2C5EFA-low.gif
VOUT = 1.24 V
Figure 7-13 Shutdown Current vs VIN
GUID-B42DBE4F-7D32-4065-902E-513EA0F683E7-low.gif
VOUT = 1.24 V, IOUT = 1 mA
Figure 7-15 UVLO Thresholds vs Temperature
GUID-161ACCB1-215E-49C5-850B-6D7BBB1337D3-low.gif
VOUT = 1.24 V
Figure 7-17 PG Leakage Current vs Temperature
GUID-0F70E40B-AD77-407E-BEBE-0A2C9E39CB55-low.gif
VOUT = 3.3 V, VIN = 4.3 V, CIN = 0 μF, COUT = 1 μF,
CFF = 10 nF
Figure 7-19 PSRR vs Frequency and IOUT
GUID-69DD30FA-6775-47D0-A141-252E300089AA-low.gif
VOUT = 3.3 V, VIN = 4.3 V, IOUT = 0.3 A, CIN = 0 μF,
CFF = 10 nF
Figure 7-21 PSRR vs Frequency and COUT
GUID-2CFC2F86-8F8C-4B6E-9D71-A7F32FB1389B-low.gif
VIN = VOUT + 1 V or 2.4 V (whichever is greater), IOUT = 0.3 A, CIN = 0 μF, COUT = 1 μF, CFF = 10 nF
 
Figure 7-23 PSRR vs Frequency and VOUT
GUID-716B4C3D-33EE-4C24-B5A6-E06F5C634BFB-low.gif
VOUT = 1.24 V, CIN = 1 μF, COUT = 1 μF, CFF = 10 nF,
VRMS BW = 10 Hz to 100 kHz
Figure 7-25 Output Noise (Vn) vs Frequency and IOUT
GUID-4457B533-3FF8-44D2-8DB3-0E4B00C105E2-low.gif
VOUT = 3.3 V, VIN = 4.3 V, IOUT = 0.3 A, CIN = 1 μF,
COUT = 1 μF, VRMS BW = 10 Hz to 100 kHz
Figure 7-27 Output Noise (Vn) vs Frequency and CFF
GUID-754A5301-38E8-48EE-8758-40452ADF58BB-low.gif
IOUT = 0.3 A to 0.001 mA, slew rate = 0.5 A/μs, VOUT = 3.3 V, VIN = 4.3 V, CIN = 1 μF, COUT = 1 μF
Figure 7-29 Load Transient
GUID-4DCBA263-3E90-49E7-BCDC-189923B373BC-low.gif
VIN = 4.3 V to 5.3 V, slew rate = 0.5 V/μs, VOUT = 3.3 V,
IOUT = 0.5 A, CIN = 1 μF, COUT = 1 μF
Figure 7-31 Line Transient
GUID-11C30FD6-624D-401A-8F50-496928DB42C2-low.gif
VIN = 0 V to 5 V, VEN = VIN, VOUT = 3.3 V, IOUT = 0.3 A,
CIN = 1 μF, COUT = 1 μF
Figure 7-33 Start-Up With Enable Pin Tied to Input
GUID-F1F2100C-7901-4272-BD6C-C45895DA27C4-low.gif
VOUT = 1.24 V
Figure 7-2 Load Regulation vs IOUT
GUID-D5FB185B-4101-4451-A490-6B2A8178E5D2-low.gif
IOUT = 250 mA
Figure 7-4 Dropout Voltage vs VIN
GUID-C122EEB1-6872-45B5-AA40-ACC20975E66A-low.gif
VIN = 2.4 V
Figure 7-6 Dropout Voltage vs IIN
GUID-B55FA510-4E07-470E-AFB0-5EF3DEF64D3D-low.gif
 
Figure 7-8 Current Limit vs VIN
GUID-73AB3BC7-572A-4AAA-B973-6061C71AFF0F-low.gif
VOUT = 1.24 V, IOUT = 0 A
Figure 7-10 IQ vs VIN
GUID-1F9EA30A-7172-435F-82C3-3F76A9AFD019-low.gif
VOUT = 1.24 V
Figure 7-12 IGND vs IOUT
GUID-BFC289A5-EB71-4D77-B675-886D128CCD04-low.gif
VOUT = 1.24 V, 2.4 V ≤ VIN ≤ 18 V
Figure 7-14 VEN Thresholds vs Temperature
GUID-F80E7D7A-2C90-49B7-ACDA-7476B8485BAC-low.gif
VOUT = 1.24 V
Figure 7-16 PG Thresholds vs Temperature
GUID-A2421190-3013-4EC3-A40F-77BE3F8CFF65-low.gif
VOUT = 1.24 V, CIN = 0 μF, COUT = 1 μF, CFF = 10 nF
Figure 7-18 PSRR vs Frequency and IOUT
GUID-61587E98-9CFE-4ECE-937A-B58A0F6E4DB3-low.gif
VOUT = 3.3 V, IOUT = 0.3 A, CIN = 0 μF, COUT = 1 μF,
CFF = 10 nF
Figure 7-20 PSRR vs Frequency and VIN
GUID-E1B84152-F3D5-4677-B263-819952AB269C-low.gif
VOUT = 3.3 V, VIN = 4.3 V, IOUT = 0.3 A, CIN = 0 μF,
COUT = 1 μF
Figure 7-22 PSRR vs Frequency and CFF
GUID-478468E2-4285-40AD-AA60-CF3DCE696B55-low.gif
VIN = VOUT + 1 V or 2.4 V (whichever is greater), IOUT = 0.3 A, CIN = 1 μF, COUT = 1 μF, CFF = 10 nF, VRMS BW = 10 Hz to 100 kHz
Figure 7-24 Output Noise (Vn) vs Frequency and VOUT
GUID-D47EF69C-DF8C-4310-A50D-2222F0D87907-low.gif
VOUT = 1.24 V, VIN = 2.4 V, IOUT = 0.3 A, CIN = 1 μF,
CFF = 10 nF, VRMS BW = 10 Hz to 100 kHz
Figure 7-26 Output Noise (Vn) vs Frequency and COUT
GUID-6FE94E2F-820D-4BC2-89D2-FD36740D6822-low.gif
IOUT = 0.001 A to 0.3 A, slew rate = 0.5 A/μs, VOUT = 3.3 V, VIN = 4.3 V, CIN = 1 μF, COUT = 1 μF
Figure 7-28 Load Transient
GUID-92099A8F-1956-4B7B-ADA7-D3CB08D8C2FA-low.gif
VIN = 5.3 V to 4.3 V, slew rate = 0.5 V/μs, VOUT = 3.3 V,
IOUT = 0.5 A, CIN = 1 μF, COUT = 1 μF
Figure 7-30 Line Transient
GUID-08A4CBFD-38BA-4280-8F65-D8B7CC4B3E03-low.gif
VIN = 5 V, VEN = 0 V to 2 V, VOUT = 3.3 V, IOUT = 0.3 A,
CIN = 1 μF, COUT = 1 μF
Figure 7-32 Start-Up With Enable