JAJSK90B December   2020  – November 2022 TPS7A43

PRODUCTION DATA  

  1. 特長
  2. アプリケーション
  3. 概要
  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 MID_OUT Voltage Selection
      2. 7.3.2 Precision Enable
      3. 7.3.3 Dropout Voltage
      4. 7.3.4 Current Limit
      5. 7.3.5 Thermal Shutdown
      6. 7.3.6 Power Good
    4. 7.4 Device Functional Modes
      1. 7.4.1 Device Functional Mode Comparison
      2. 7.4.2 Normal Operation
      3. 7.4.3 Dropout Operation
      4. 7.4.4 Disabled
  8. Application and Implementation
    1. 8.1 Application Information
      1. 8.1.1 MID_OUT Voltage Setting
      2. 8.1.2 Adjustable Device Feedback Resistors
      3. 8.1.3 Recommended Capacitor Types
      4. 8.1.4 Input and Output Capacitor Requirements
      5. 8.1.5 Power Dissipation (PD)
      6. 8.1.6 Estimating Junction Temperature
    2. 8.2 Typical Application
      1. 8.2.1 Design Requirements
      2. 8.2.2 Detailed Design Procedure
      3. 8.2.3 Application Curves
    3. 8.3 Power Supply Recommendations
    4. 8.4 Layout
      1. 8.4.1 Layout Guidelines
      2. 8.4.2 Layout Examples
  9. Device and Documentation Support
    1. 9.1 Device Support
      1. 9.1.1 Development Support
        1. 9.1.1.1 Evaluation Modules
        2. 9.1.1.2 Spice Models
      2. 9.1.2 Device Nomenclature
    2. 9.2 Documentation Support
      1. 9.2.1 Related Documentation
    3. 9.3 Receiving Notification of Documentation Updates
    4. 9.4 サポート・リソース
    5. 9.5 Trademarks
    6. 9.6 Electrostatic Discharge Caution
    7. 9.7 Glossary
  10. 10Mechanical, Packaging, and Orderable Information

パッケージ・オプション

メカニカル・データ(パッケージ|ピン)
サーマルパッド・メカニカル・データ
発注情報

Typical Characteristics

at operating temperature TJ = 25°C, IOUT = 1 mA, IMID_OUT = 0 mA, VEN = 2 V, VMVSEL1 = 0.9 V, VMVSEL2 = 0.9 V, CIN = 1 μF, CMID_OUT = 4.7 μF, COUT = 1 μF, and VIN = VMID_OUT + 1.5 V (unless otherwise noted); typical values are at TJ = 25°C

GUID-20220316-SS0I-RFVT-BDQZ-R9TPQTMKDBPG-low.gif
VOUT = 1.24 V (adjustable)
Figure 6-1 VOUT Accuracy vs IOUT
GUID-20220316-SS0I-F52K-WNNW-MLSHN5FCG9FS-low.gif
VMID_OUT = 12 V
 
Figure 6-3 VMID_OUT Accuracy vs VIN
GUID-20220316-SS0I-73SH-BG5L-QDDQKGWH3BHX-low.gif
VMID_OUT = 12 V
Figure 6-5 VMID_OUT vs IMID_OUT
GUID-20220316-SS0I-RK4N-SJ5J-DH1VZSD0SXL4-low.gif
VIN = 16.5 V, VMID_OUT = 15 V, VMVSEL1 = VMVSEL2 = 0 V,
VOUT = 1.24 V (adjustable)
Figure 6-7 IGND vs IOUT
GUID-20220316-SS0I-C7GF-RMBP-XLSFL4Q7SLR8-low.gif
VEN = 1 V
Figure 6-9 ISHUTDOWN vs VIN
GUID-20220316-SS0I-X6TV-FPF2-V2CTX3P9TMN3-low.gif
VMID_OUT = 15 V, VMVSEL1 = VMVSEL2 = 0 V, IOUT = 0 mA
 
Figure 6-11 VDO(MID_OUT) vs IMID_OUT
GUID-20220328-SS0I-7QCH-ZBXR-RQVPNGCRTNPZ-low.gif
CIN = 0 μF, VIN ramp rate = 45 V/ms,VOUT = 3.3 V,
IOUT = 10 mA
Figure 6-13 Slow Start-Up
GUID-20220328-SS0I-JLRD-0MZ3-88WNML2DPPK7-low.gif
VIN = 15 V to 85 V, VIN ramp rate = 10 V/μs, VOUT = 3.3 V,
IOUT = 10 mA
Figure 6-15 Line Transient
GUID-20220919-SS0I-CS9X-HVSL-0M72896KWGX1-low.gif
VIN = 15 V to 85 V, VIN ramp rate = 10 V/μs, VOUT = 3.3 V,
IOUT = 50 mA
Figure 6-17 Line Transient
GUID-20220919-SS0I-TPBK-SHV8-10KB2KTKCHN3-low.gif
VIN = 4 V to 85 V, VIN ramp rate = 1 V/μs, VOUT = 3.3 V,
IOUT = 50 mA
Figure 6-19 Line Transient (VMID_OUT in Dropout)
GUID-20220919-SS0I-VV84-9GSH-GFZHGBLQVGHW-low.gif
VIN = 4 V to 85 V, VIN ramp rate = 5 V/μs, VOUT = 3.3 V,
IOUT = 50 mA
Figure 6-21 Line Transient (VMID_OUT in Dropout)
GUID-20210907-SS0I-VBXB-JC6G-JLC58FNJ307H-low.gif
VIN = 65 V, VOUT = 3.3 V, IOUT = 0 mA to 50 mA to 0 mA,
IOUT slew rate = 1 A/μs
Figure 6-23 Load Transient (Rising Edge)
GUID-20210907-SS0I-B13P-SK6V-FHCHSSC110GL-low.gif
VIN = 65 V, VOUT = 3.3 V, IOUT = 1 mA to 50 mA to 1 mA,
IOUT slew rate = 1 A/μs
Figure 6-25 Load Transient (Rising Edge)
GUID-20210907-SS0I-SHGR-QVM4-DJDXZSCPPR7D-low.gif
VIN = 65 V, VOUT = 3.3 V, IMID_OUT = 0 mA to 50 mA to 0 mA, IMID_OUT slew rate = 1 A/μs, IOUT = 0 mA
Figure 6-27 Load Transient (MID_OUT)
GUID-20210907-SS0I-BT0M-LQ6K-LCK81ZH3HNPC-low.gif
VIN = 65 V, VOUT = 3.3 V, IMID_OUT = 1 mA to 50 mA to 1 mA, IMID_OUT slew rate = 1 A/μs, IOUT = 0 mA
Figure 6-29 Load Transient (MID_OUT)
GUID-20210907-SS0I-5X0P-5LQB-LL8VLMKKWV1L-low.gif
VIN = 13 V, VOUT = 3.3 V, IOUT = 20 mA,
VRMS bandwidth = 10 Hz to 100 kHz
Figure 6-31 Spectral Noise Density vs Frequency and COUT
GUID-20210907-SS0I-V4M8-MRZG-34H49ZLRBXFV-low.gif
CIN = 0 μF,VOUT = 3.3 V, IOUT = 20 mA
Figure 6-33 OUT PSRR vs Frequency and VIN
GUID-20210907-SS0I-2G0D-58WK-HQML56QCLP7R-low.gif
VIN = 13 V, CIN = 0 μF, VOUT = 3.3 V, IOUT = 0 mA
Figure 6-35 MID_OUT PSRR vs Frequency and IMID_OUT
GUID-20210907-SS0I-SWLM-G9MB-GRNFDCQQRV4Z-low.gif
VIN = 13 V, CIN = 0 μF, VOUT = 3.3 V, IMID_OUT = 20 mA,
IOUT = 0 mA
Figure 6-37 MID_OUT PSRR vs Frequency and CMID_OUT
GUID-20220316-SS0I-R0GD-SNBN-07VLMFT4BHMP-low.gif
VOUT = 1.24 V (adjustable)
Figure 6-2 VOUT Accuracy vs VIN
GUID-20220316-SS0I-NH86-X0WM-GV9DF7WT4XT7-low.gif
VOUT = 1.24 V (adjustable)
Figure 6-4 VOUT vs ICL(OUT)
GUID-20220316-SS0I-Q3RD-N1GQ-S2PT6RJ76TGF-low.gif
VIN = 11 V, VOUT = 1.24 V (adjustable)
 
Figure 6-6 IGND vs IOUT (MID_OUT in Dropout)
GUID-20220919-SS0I-CQQZ-SWLR-ZVN709B51CD2-low.gif
IOUT = 0 mA
 
Figure 6-8 IGND vs VIN
GUID-20220316-SS0I-0SJ4-WB0F-T7ZTTD1W4XPF-low.gif
VOUT = 1.24 V (adjustable)
Figure 6-10 VDO(OUT) vs IOUT
GUID-20220328-SS0I-M3BC-XKPP-7WWDX6WBTKF0-low.gif
CIN = 0 μF, VIN ramp rate = 10 V/μs, VOUT = 3.3 V,
IOUT = 10 mA
Figure 6-12 Fast Start-Up
GUID-20220328-SS0I-3SSN-RGTR-BWMRWZ3ZCXKQ-low.gif
VIN = 15 V to 85 V, VIN ramp rate = 10 V/μs, VOUT = 3.3 V,
IOUT = 50 mA
Figure 6-14 Line Transient
GUID-20220919-SS0I-M0B0-B6JC-LBJ3F4MVNS5P-low.gif
VIN = 15 V to 85 V, VIN ramp rate = 10 V/μs, VOUT = 3.3 V,
IOUT = 50 mA
Figure 6-16 Line Transient
GUID-20220919-SS0I-GFRD-H2FZ-XKRTT3TR85FN-low.gif
VIN = 4 V to 85 V, VIN ramp rate = 1 V/μs, VOUT = 3.3 V,
IOUT = 50 mA
Figure 6-18 Line Transient (VMID_OUT in Dropout)
GUID-20220919-SS0I-7TT8-9FZC-DX5VXJF8J237-low.gif
VIN = 4 V to 85 V, VIN ramp rate = 5 V/μs, VOUT = 3.3 V,
IOUT = 50 mA
Figure 6-20 Line Transient (VMID_OUT in Dropout)
GUID-20210907-SS0I-P8MZ-MMNT-QQVBWKQZNZBK-low.gif
VIN = 65 V, VOUT = 3.3 V, IOUT = 0 mA to 50 mA to 0 mA,
IOUT slew rate = 1 A/μs
Figure 6-22 Load Transient
GUID-20210907-SS0I-T737-CLNX-HV6N71RSD1DT-low.gif
VIN = 65 V, VOUT = 3.3 V, IOUT = 1 mA to 50 mA to 1 mA,
IOUT slew rate = 1 A/μs
Figure 6-24 Load Transient
GUID-20210907-SS0I-Z1LF-8XQF-NJHZFFFJKH09-low.gif
VIN = 65 V, VMID_OUT = 12 V, IMID_OUT = 0 mA to 50 mA to 0 mA, IMID_OUT slew rate = 1 A/μs, IOUT = 0 mA
Figure 6-26 Load Transient (MID_OUT)
GUID-20210907-SS0I-KKWL-SXL6-8FNGJFGTQT54-low.gif
VIN = 65 V, VMID_OUT = 12 V, IMID_OUT = 1 mA to 50 mA to 1 mA, IMID_OUT slew rate = 1 A/μs, IOUT = 0 mA
Figure 6-28 Load Transient (MID_OUT)
GUID-20210907-SS0I-NWGV-3SZH-NNWPXBN8MZ5V-low.gif
VIN = 13 V, VOUT = 3.3 V, VRMS bandwidth = 10 Hz to 100 kHz
 
Figure 6-30 Spectral Noise Density vs Frequency and IOUT
GUID-20210907-SS0I-LJD6-T9CR-DK3PKB3FKF7J-low.gif
VIN = 13 V, CIN = 0 μF, VOUT = 3.3 V
Figure 6-32 OUT PSRR vs Frequency and IOUT
GUID-20210907-SS0I-S4RD-ZQZG-KVLMHDJZKWKS-low.gif
VIN = 13 V, CIN = 0 μF, VOUT = 3.3 V, IOUT = 20 mA
Figure 6-34 OUT PSRR vs Frequency and COUT
GUID-20210907-SS0I-VG5D-PSRL-14MWKLXDVSP0-low.gif
CIN = 0 μF, VOUT = 3.3 V, IMID_OUT = 20 mA, IOUT = 0 mA
 
Figure 6-36 MID_OUT PSRR vs Frequency and VIN