SBVS304B June   2017  – October 2021 TPS7A83A

PRODUCTION DATA  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
  4. 4 Revision History
  5. 5 Description (continued)
  6. 6 Pin Configuration and Functions
  7. 7 Specifications
    1. 7.1 Absolute Maximum Ratings
    2. 7.2 ESD Ratings
    3. 7.3 Recommended Operating Conditions
    4. 7.4 Thermal Information
    5. 7.5 Electrical Characteristics: General
    6. 7.6 Electrical Characteristics: TPS7A8300A
    7. 7.7 Electrical Characteristics: TPS7A8301A
    8. 7.8 Typical Characteristics: TPS7A8300A
    9. 7.9 Typical Characteristics: TPS7A8301A
  8. 8 Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
      1. 8.3.1 Voltage Regulation Features
        1. 8.3.1.1 DC Regulation
        2. 8.3.1.2 AC and Transient Response
      2. 8.3.2 System Start-Up Features
        1. 8.3.2.1 Programmable Soft-Start (NR/SS)
        2. 8.3.2.2 Internal Sequencing
          1. 8.3.2.2.1 Enable (EN)
          2. 8.3.2.2.2 Undervoltage Lockout (UVLO) Control
          3. 8.3.2.2.3 Active Discharge
        3. 8.3.2.3 Power-Good Output (PG)
      3. 8.3.3 Internal Protection Features
        1. 8.3.3.1 Foldback Current Limit (ICL)
        2. 8.3.3.2 Thermal Protection (Tsd)
    4. 8.4 Device Functional Modes
      1. 8.4.1 Regulation
      2. 8.4.2 Disabled
  9. 9 Application and Implementation
    1. 9.1 Application Information
      1. 9.1.1 External Component Selection
        1. 9.1.1.1 Adjustable Operation
        2. 9.1.1.2 ANY-OUT Programmable Output Voltage
        3. 9.1.1.3 ANY-OUT Operation
        4. 9.1.1.4 Increasing ANY-OUT Resolution for LILO Conditions
        5. 9.1.1.5 Recommended Capacitor Types
        6. 9.1.1.6 Input and Output Capacitor Requirements (CIN and COUT)
        7. 9.1.1.7 Feed-Forward Capacitor (CFF)
        8. 9.1.1.8 Noise-Reduction and Soft-Start Capacitor (CNR/SS)
      2. 9.1.2 Start Up
        1. 9.1.2.1 Soft-Start (NR/SS)
          1. 9.1.2.1.1 Inrush Current
        2. 9.1.2.2 Undervoltage Lockout (UVLO)
        3. 9.1.2.3 Power-Good (PG) Function
      3. 9.1.3 AC and Transient Performance
        1. 9.1.3.1 Power-Supply Rejection Ratio (PSRR)
        2. 9.1.3.2 Output Voltage Noise
        3. 9.1.3.3 Optimizing Noise and PSRR
          1. 9.1.3.3.1 Charge Pump Noise
        4. 9.1.3.4 Load Transient Response
      4. 9.1.4 DC Performance
        1. 9.1.4.1 Output Voltage Accuracy (VOUT)
        2. 9.1.4.2 Dropout Voltage (VDO)
          1. 9.1.4.2.1 Behavior When Transitioning From Dropout Into Regulation
      5. 9.1.5 Sequencing Requirements
      6. 9.1.6 Negatively Biased Output
      7. 9.1.7 Reverse Current
      8. 9.1.8 Power Dissipation (PD)
        1. 9.1.8.1 Estimating Junction Temperature
        2. 9.1.8.2 Recommended Area for Continuous Operation (RACO)
    2. 9.2 Typical Application
      1. 9.2.1 Design Requirements
      2. 9.2.2 Detailed Design Procedure
      3. 9.2.3 Application Curves
  10. 10Power Supply Recommendations
  11. 11Layout
    1. 11.1 Layout Guidelines
    2. 11.2 Layout Example
  12. 12Device and Documentation Support
    1. 12.1 Device Support
      1. 12.1.1 Development Support
        1. 12.1.1.1 Evaluation Models
        2. 12.1.1.2 Spice Models
      2. 12.1.2 Device Nomenclature
    2. 12.2 Documentation Support
      1. 12.2.1 Related Documentation
    3. 12.3 Receiving Notification of Documentation Updates
    4. 12.4 Support Resources
    5. 12.5 Trademarks
    6. 12.6 Electrostatic Discharge Caution
    7. 12.7 Glossary
  13. 13Mechanical, Packaging, and Orderable Information

Package Options

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

7.8 Typical Characteristics: TPS7A8300A

at TA = 25°C, VIN = 1.4 V or VIN = VOUT(nom) + 0.3 V (whichever is greater), VBIAS = open, VOUT(nom) = 0.8 V, VEN = 1.1 V, CIN = 10 μF, COUT = 22 μF, CNR/SS = 0 nF, CFF = 0 nF, and PG pin pulled up to VIN with 100 kΩ (unless otherwise noted)

GUID-07CE0A94-F97C-4C7A-B839-56046D4A9222-low.gif
VIN = 1.1 V, VBIAS = 5 V, COUT = 22 μF, CNR/SS = 10 nF,
CFF = 10 nF
Figure 7-1 PSRR vs Frequency and IOUT
GUID-0916200D-37B8-4A6A-9D64-F0D731F30D2B-low.gif
VIN = 1.4 V, IOUT = 1 A, COUT = 22 μF, CNR/SS = 10 nF,
CFF = 10 nF
Figure 7-3 PSRR vs Frequency and VBIAS
GUID-B4F4A7A4-B541-4117-B8C2-282F6FEF9051-low.gif
VIN = VOUT + 0.3 V, VBIAS = 5 V, IOUT = 2 A, COUT = 22 μF,
CNR/SS = 10 nF, CFF = 10 nF
Figure 7-5 PSRR vs Frequency and VOUT With BIAS
GUID-0158CE74-CE2C-49E8-9076-8BA5A2E37BE0-low.gif
VIN = VOUT + 0.3 V, VOUT = 1 V, VBIAS = 5 V, IOUT = 2 A,
CNR/SS = 10 nF, CFF = 10 nF
Figure 7-7 PSRR vs Frequency and COUT
GUID-25A64DE7-DB03-486F-9177-CADF532974B5-low.gif
VIN = VOUT + 0.3 V and VBIAS = 5 V for VOUT ≤ 2.2 V,
COUT = 22 μF, CBIAS = 10 μF, CNR/SS = 10 nF, CFF = 10 nF, RMS noise BW = 10 Hz to 100 kHz
Figure 7-9 Output Voltage Noise vs Output Voltage
GUID-20B377A9-55CD-4302-A93F-B74659F41CD0-low.gif
IOUT = 2 A, COUT = 22 μF, CNR/SS = 10 nF, CFF = 10 nF,
RMS noise BW = 10 Hz to 100 kHz
 
Figure 7-11 Output Noise vs Frequency and Input Voltage
GUID-064F32B7-B29E-47E8-A08F-F3F6A42468CB-low.gif
VIN = 5.3 V, VOUT = 5 V, VBIAS = 5 V, IOUT = 2 A, COUT = 22 μF,
CBIAS = 10 μF, CNR/SS = 10 nF,
RMS noise BW = 10 Hz to 100 kHz
Figure 7-13 Output Noise vs Frequency and CFF
GUID-465D7404-60E6-46AA-8E8D-8F80A0F080A1-low.gif
VIN = 1.2 V, VOUT = 0.9 V, VBIAS = 5 V, IOUT = 2 A,
COUT = 22 μF, CBIAS = 10 μF, CFF = 10 nF
Figure 7-15 Start-Up Waveform vs Time and CNR/SS
GUID-824A81CD-312C-4559-9F9E-B6470FA291FC-low.gif
IOUT, DC = 100 mA, COUT = 22 μF, CNR/SS = CFF = 10 nF,
slew rate = 1 A/μs
Figure 7-17 Load Transient vs Time for VOUT = 5 V
GUID-7CD6A73C-DFDA-48EE-A3F9-D284E86E3C4C-low.gif
VIN = 5.3 V, VBIAS = 5 V, COUT = 22 μF, CBIAS = 10 μF,
VOUT = 5 V, CNR/SS = CFF = 10 nF, slew rate = 1 A/μs
Figure 7-19 Load Transient vs Time and DC Load
GUID-7E2977D5-2CF7-42F8-A434-973C9D806ADB-low.gif
IOUT = 2 A, VBIAS = 6.5 V
Figure 7-21 Dropout Voltage vs Input Voltage With BIAS
GUID-2412B56F-6DD9-4D78-9E60-DAA5B2EECD70-low.gif
VIN = 1.1 V, VBIAS = 3 V
Figure 7-23 Dropout Voltage vs Output Current With BIAS
GUID-8093B789-EADA-41CA-8D57-E4F374885379-low.gif
IOUT = 100 mA to 2 A
Figure 7-25 Load Regulation vs Output Voltage
GUID-5F065A52-D09C-40CD-87E2-3BC4F899D6E5-low.gif
VIN = 3.8 V
Figure 7-27 Load Regulation (3.3-V Output)
GUID-E8C76F51-B4BE-4CC9-9CE0-005C5476C848-low.gif
VOUT = 0.8 V, IOUT = 5 mA
Figure 7-29 Line Regulation
GUID-04E5FD24-D935-4B89-B8A1-564552ABB964-low.gif
IOUT = 5 mA
Figure 7-31 Line Regulation (5-V Output)
GUID-208903F6-8F41-4404-A4F0-5B0B95B3EAC8-low.gif
VIN = 1.1 V, IOUT = 5 mA
Figure 7-33 BIAS Pin Current vs Bias Voltage
GUID-617BF807-1D3A-49AF-92BF-AC04EAC02741-low.gif
VIN = 1.1 V
Figure 7-35 Shutdown Current vs Bias Voltage
GUID-4DB277B3-EC72-47EC-9FB3-D35ACA2282C8-low.gif
 
Figure 7-37 VIN UVLO vs Temperature
GUID-D018BA10-B298-4969-BFD6-0675FFC96CEA-low.gif
VIN = 1.4 V, 6.5 V
Figure 7-39 Enable Threshold vs Temperature
GUID-647FE270-A912-4DC6-B1A6-68C8D7E675B8-low.gif
VIN = 6.5 V
Figure 7-41 PG Voltage vs PG Current Sink
GUID-9E9533ED-11C1-480C-B354-55C0B02F128A-low.gif
IOUT = 2 A, VBIAS = 5 V, COUT = 22 μF, CNR/SS = 10 nF,
CFF = 10 nF
Figure 7-2 PSRR vs Frequency and VIN With BIAS
GUID-A247C152-5940-4956-B91F-D75D7B6836E5-low.gif
IOUT = 1 A, COUT = 22 μF, CNR/SS = 10 nF, CFF = 10 nF
 
Figure 7-4 PSRR vs Frequency and VIN
GUID-6F28FBD7-CD88-41E0-AB9B-CE6862785F27-low.gif
IOUT = 2 A, COUT = 22 μF, CNR/SS = 10 nF, CFF = 10 nF
 
Figure 7-6 PSRR vs Frequency and VIN for VOUT = 3.3 V
GUID-8F8EA0D8-BC98-48B5-9E2C-84ECB76D647B-low.gif
VIN = VOUT + 0.3 V, VOUT = 1 V, IOUT = 2 A,
COUT = 47 μF || 10 μF || 10 μF, CNR/SS = 10 nF, CFF = 10 nF
Figure 7-8 VBIAS PSRR vs Frequency
GUID-F499BC9A-BB3F-4479-AF41-ECFCEFE2C217-low.gif
VIN = VOUT + 0.3 V and VBIAS = 5 V for VOUT ≤ 2.2 V,
IOUT = 2 A, COUT = 22 μF, CBIAS = 10 μF, CNR/SS = 10 nF,
CFF = 10 nF, RMS noise BW = 10 Hz to 100 kHz
Figure 7-10 Output Noise vs Frequency and Output Voltage
GUID-3CC499B0-8704-4C53-AD0D-507E62ED466E-low.gif
VIN = 1.1 V, VOUT = 0.8 V, VBIAS = 5 V, IOUT = 2 A,
COUT = 22 μF, CBIAS = 10 μF, CFF = 10 nF,
RMS noise BW = 10 Hz to 100 kHz
Figure 7-12 Output Noise vs Frequency and CNR/SS
GUID-41D0EEFD-26F7-46EC-939C-98709715C56F-low.gif
IOUT = 2 A, COUT = 22 μF, CFF = 10 nF,
RMS noise BW = 10 Hz to 100 kHz
 
Figure 7-14 Output Noise at 5-V Output
GUID-FB7F99E5-0BCD-4659-90D9-62FACAF1C0BF-low.gif
IOUT, DC = 100 mA, slew rate = 1 A/μs, CNR/SS = 10 nF,
COUT = 22 μF, CBIAS = 10 μF
Figure 7-16 Load Transient vs Time for VOUT = 0.8 V
GUID-77A3701C-1105-49E3-BDB7-BDC08E85FF07-low.gif
VOUT = 5 V, IOUT, DC = 100 mA, IOUT = 100 mA to 2 A,
COUT = 22 μF, CNR/SS = CFF = 10 nF
Figure 7-18 Load Transient vs Time and Slew Rate
GUID-74AE3BD8-7EF4-4F81-94B8-DC9232D75A8C-low.gif
IOUT = 2 A
 
Figure 7-20 Dropout Voltage vs Input Voltage Without BIAS
GUID-3F5F3A23-6436-4534-9250-DB1694270ED3-low.gif
VIN = 1.4 V
Figure 7-22 Dropout Voltage vs Output Current Without BIAS
GUID-A2FDCEC9-FFCD-4595-893C-34C8EC1B6E2B-low.gif
VIN = 5.5 V
Figure 7-24 Dropout Voltage vs Output Current (High VIN)
GUID-04FC387F-5425-413B-BA90-557BD326A98B-low.gif
VIN = 1.4 V
Figure 7-26 Load Regulation
GUID-FBB4882F-4995-456C-A872-38ADE8445793-low.gif
VIN = 5.5 V
Figure 7-28 Load Regulation (5-V Output)
GUID-D4509822-0DC2-445F-BD3D-655517FFCAA9-low.gif
VOUT = 0.8 V, VIN = 1.1 V, IOUT = 5 mA, VBIAS = 5 V
Figure 7-30 Line Regulation With BIAS
GUID-D90F40C0-72AC-41FD-B5A6-A90D209A7AAC-low.gif
VBIAS = 0 V, IOUT = 5 mA
Figure 7-32 Ground Pin Current vs Input Voltage
GUID-CE6AF4C1-E449-49BA-9574-0FD18487472D-low.gif
VBIAS = 0 V
Figure 7-34 Shutdown Current vs Input Voltage
GUID-B83ED9B7-DB0C-4890-90B4-D8F31F9F38FB-low.gif
VBIAS = 0 V
Figure 7-36 INR/SS Current vs Input Voltage
GUID-92461A0E-9034-47CE-A53F-2A85207A6C9D-low.gif
VIN = 1.1 V
Figure 7-38 VBIAS UVLO vs Temperature
GUID-34A93A7E-AD55-41BB-8AC9-643B86B41E8A-low.gif
 
Figure 7-40 PG Voltage vs PG Current Sink
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Figure 7-42 PG Threshold vs Temperature