JAJSN03A june   2022  – august 2023 TPS7B4255-Q1

PRODUCTION DATA  

  1.   1
  2. 特長
  3. アプリケーション
  4. 概要
  5. Revision History
  6. Pin Configuration and Functions
  7. 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 Timing Characteristics
    7. 6.7 Typical Characteristics
  8. Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1 Tracker Output Voltage (VOUT)
        1. 7.3.1.1 Output Voltage Equal to the Reference Voltage
        2. 7.3.1.2 Output Voltage Less Than the Reference Voltage
      2. 7.3.2 Reverse Current Protection
      3. 7.3.3 Undervoltage Lockout
      4. 7.3.4 Thermal Protection
      5. 7.3.5 Current Limit
      6. 7.3.6 Output Short to Battery
      7. 7.3.7 Tracking Regulator With an Enable Circuit
    4. 7.4 Device Functional Modes
      1. 7.4.1 Normal Operation
      2. 7.4.2 Dropout Operation
      3. 7.4.3 Operation With VIN < 3 V
      4. 7.4.4 Disable With ADJ/EN Control
  9. Application and Implementation
    1. 8.1 Application Information
      1. 8.1.1 Dropout Voltage
      2. 8.1.2 Reverse Current
    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 Selection
      3. 8.2.3 Application Curves
    3. 8.3 Power Supply Recommendations
    4. 8.4 Layout
      1. 8.4.1 Layout Guidelines
        1. 8.4.1.1 Package Mounting
        2. 8.4.1.2 Board Layout Recommendations to Improve PSRR and Noise Performance
        3. 8.4.1.3 Power Dissipation and Thermal Considerations
        4. 8.4.1.4 Thermal Performance Versus Copper Area
      2. 8.4.2 Layout Examples
  10. Device and Documentation Support
    1. 9.1 Device Support
      1. 9.1.1 Device Nomenclature
    2. 9.2 ドキュメントの更新通知を受け取る方法
    3. 9.3 サポート・リソース
    4. 9.4 Trademarks
    5. 9.5 静電気放電に関する注意事項
    6. 9.6 用語集
  11. 10Mechanical, Packaging, and Orderable Information
    1. 10.1 Mechanical Data

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

GUID-20230720-SS0I-ZDLR-5VBV-2FGZHJHVHQZB-low.svg
VIN = 13.5 V, VADJ = 5 V
Figure 6-1 Tracking Error vs Ambient Temperature
GUID-20230808-SS0I-KNM0-B7CT-LZX7L7P30XZN-low.svg
VADJ = 5 V, TAMB = 25°C
Figure 6-3 Line Regulation
GUID-20230808-SS0I-BXTQ-HT3H-D9BTCKSCS6TR-low.svg
VADJ = 5 V, IOUT = 10 mA
Figure 6-5 Output Voltage vs Input Voltage
GUID-20230720-SS0I-KNVD-KPJL-PWNVW9J1DC7M-low.svg
VIN = 5 V, VADJ = 5 V
Figure 6-7 Dropout Voltage vs Ambient Temperature
GUID-20230808-SS0I-QZLJ-WBL1-9RJ6L9QDTZGN-low.svg
VIN = 13.5 V, VADJ = 5 V
Figure 6-9 Ground Current vs Output Current
GUID-20230808-SS0I-KXZL-5CJ9-7NF9NFQHLMBB-low.svg
VADJ = 5 V, IOUT = 50 mA
Figure 6-11 Ground Current vs Input Voltage
GUID-20230815-SS0I-ZBHZ-6DN6-77B5NKXNMCVV-low.svg
VIN = 13.5 V, VADJ = 5 V
Figure 6-13 Current Limit Profile vs. Output Voltage
GUID-20230808-SS0I-5H3D-QS2H-0RSJGWJ0Z0FB-low.svg
VIN = 0 V, VADJ = 5 V
Figure 6-15 Reverse Current vs Output Voltage
GUID-20230720-SS0I-XXD0-TLZC-NZRWCQX2BCCB-low.svg
VIN = 13.5 V, VADJ = 5 V, COUT = 10 μF, TAMB = 25°C
 
Figure 6-17 Power-Supply Rejection Ratio vs Frequency
GUID-20230720-SS0I-HCDX-HC0M-NRVB1ZCVXFGX-low.svg
VIN = 13.5 V, VADJ = 5 V, COUT = 10 μF, IOUT = 1 mA to 30 mA, IOUT ramp rate = 1 A/μs
Figure 6-19 Load Transient
GUID-20230816-SS0I-TCR8-Q44Q-MRCMBTZ7W39B-low.svg
1 mΩ ≤ ESR ≤ 3 Ω, 1 μF ≤ COUT ≤ 200 μF
Figure 6-21 ESR vs Load Capacitance
GUID-20230808-SS0I-CDN5-Q9VD-3GSG4VB745TT-low.svg
VIN = 13.5 V, VADJ = 5 V
Figure 6-2 Load Regulation
GUID-20230808-SS0I-LXWW-9LXV-CZ7W0ZBNNB3S-low.svg
VADJ = 5 V, IOUT = 10 mA
Figure 6-4 Line Regulation
GUID-20230808-SS0I-QZTL-BXHS-QDR5VJSWCCDT-low.svg
VIN = 13.5 V, IOUT = 10 mA
Figure 6-6 Output Voltage vs Adjustable Reference Voltage
GUID-20230808-SS0I-JTKH-DFBC-R7J8BH5TZLPH-low.svg
VIN = 5 V, VADJ = 5 V
Figure 6-8 Dropout Voltage vs Output Current
GUID-20230720-SS0I-7GJJ-JDXV-ZT2BKMHSCW35-low.svg
VIN = 13.5 V, VADJ = 5 V
Figure 6-10 Ground Current vs Ambient Temperature
GUID-20230720-SS0I-QZ3W-NX3D-CG09KB7NLPCJ-low.svg
VIN = 13.5 V, VADJ = 5 V
Figure 6-12 Current Limit vs Ambient Temperature
GUID-20230808-SS0I-D08C-KNFC-LVSVV0GZJ9NV-low.svg
VIN = 13.5 V, IOUT = 0 mA
Figure 6-14 Adjustable Pin Current vs Adjustable Pin Voltage
GUID-20230808-SS0I-CL7K-TNQH-H9S0N1RN2QWC-low.svg
VOUT = 0 V, VADJ = 5 V
Figure 6-16 Reverse Current vs Input Voltage
GUID-20230720-SS0I-XXJV-LZN5-PJRLSQGMWZTL-low.svg
VADJ = 5 V, COUT = 10 μF, VIN = 9 V to 16 V,
VIN ramp rate = 1 V/μs
Figure 6-18 Line Transient
GUID-20230720-SS0I-RHTJ-1TDN-FJRGV4KQMBXG-low.svg
VIN = 13.5 V, VADJ = 5 V, VIN rate of rise = 1 V/μs, COUT = 1 μF
Figure 6-20 Start-Up Profile