JAJS821Q April   2000  – November 2023 LP2980-N

PRODUCTION DATA  

  1.   1
  2. 特長
  3. アプリケーション
  4. 概要
  5. Pin Configuration and Functions
  6. 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. Detailed Description
    1. 6.1 Overview
    2. 6.2 Functional Block Diagram
    3. 6.3 Feature Description
      1. 6.3.1 Output Enable
      2. 6.3.2 Dropout Voltage
      3. 6.3.3 Current Limit
      4. 6.3.4 Undervoltage Lockout (UVLO)
      5. 6.3.5 Output Pulldown
      6. 6.3.6 Thermal Shutdown
    4. 6.4 Device Functional Modes
      1. 6.4.1 Normal Operation
      2. 6.4.2 Dropout Operation
      3. 6.4.3 Disabled
  8. Application and Implementation
    1. 7.1 Application Information
      1. 7.1.1 Recommended Capacitor Types
        1. 7.1.1.1 Recommended Capacitors for the Legacy Chip
        2. 7.1.1.2 Recommended Capacitors for the New Chip
      2. 7.1.2 Input and Output Capacitor Requirements
      3. 7.1.3 Estimating Junction Temperature
      4. 7.1.4 Power Dissipation (PD)
      5. 7.1.5 Reverse Current
    2. 7.2 Typical Application
      1. 7.2.1 Design Requirements
      2. 7.2.2 Detailed Design Procedure
        1. 7.2.2.1 ON/OFF Input Operation
      3. 7.2.3 Application Curves
    3. 7.3 Power Supply Recommendations
    4. 7.4 Layout
      1. 7.4.1 Layout Guidelines
      2. 7.4.2 Layout Example
  9. Device and Documentation Support
    1. 8.1 Device Support
      1. 8.1.1 サード・パーティ製品に関する免責事項
    2. 8.2 Device Nomenclature
    3. 8.3 ドキュメントの更新通知を受け取る方法
    4. 8.4 サポート・リソース
    5. 8.5 Trademarks
    6. 8.6 静電気放電に関する注意事項
    7. 8.7 用語集
  10. Revision History
  11. 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, VIN = VOUT(NOM) + 1.0 V or 2.5 V (whichever is greater), IOUT = 1 mA, ON/OFF pin tied to VIN, CIN = 1.0 µF, COUT = 2.2 µF for the legacy chip, and COUT = 4.7 µF for the new chip (unless otherwise noted)

GUID-AA07B5F3-DF3D-4704-943B-8FAFBA2108E1-low.png
 
Figure 5-1 Output Voltage vs Temperature (Legacy Chip)
GUID-64498FFE-B1E8-4E43-ACAA-03AAE151A899-low.png
 
Figure 5-3 Output Voltage vs VIN (Legacy Chip)
GUID-20230619-SS0I-XDN2-JFC3-PZRDGV9XFPKG-low.svg
 
Figure 5-5 Dropout Voltage vs VIN (New Chip)
GUID-67C23699-4A20-4FFF-BC81-0DF684BBA7AD-low.png
 
Figure 5-7 Dropout Voltage vs Temperature (Legacy Chip)
GUID-DB45815E-7FD9-4ADC-B087-AE3BA75919C8-low.png
 
Figure 5-9 Dropout Voltage vs Load Current (Legacy Chip)
GUID-EE1491DA-888B-476C-9444-B024C8935BCA-low.png
 
Figure 5-11 Ground Pin Current vs Temperature (Legacy Chip)
GUID-FB797528-04E0-49F8-B678-6CD6720DDCFC-low.png
 
Figure 5-13 Ground Pin Current vs Load Current (Legacy Chip)
GUID-564310F3-31A4-4691-A05A-FEE4F46C4B40-low.png
 
Figure 5-15 Input Current vs VIN (Legacy Chip)
GUID-BA71B46A-0498-4953-B3FB-001FEFA122F7-low.png
 
Figure 5-17 Short-Circuit Current vs Time (Legacy Chip)
GUID-5987B810-611A-449A-A5FA-86111A4D27AB-low.png
 
Figure 5-19 Short-Circuit Current vs Temperature (Legacy Chip)
GUID-89E8EEC3-0901-4AFD-9545-B25057747519-low.png
 
Figure 5-21 Short-Circuit Current vs Time (Legacy Chip)
GUID-F6C4F471-AF03-4591-82C8-3F50209DA561-low.png
 
Figure 5-23 Output Impedance vs Frequency (Legacy Chip)
GUID-74395960-102B-431A-941F-3446B63F3354-low.png
 
Figure 5-25 Output Noise Density (Legacy Chip)
GUID-20231003-SS0I-2VCT-P62R-KWWQHQ5L2JN7-low.svg
VOUT = 3.3 V, COUT = 2.2 μF
Figure 5-27 Output Noise Density vs IOUT (New Chip)
GUID-20231003-SS0I-RHPC-BK44-QBQWLGCD4FRC-low.svg
VOUT = 3.3 V, IOUT = 50 mA
Figure 5-29 Ripple Rejection vs COUT (New Chip)
GUID-B5E6E60B-6C95-4B7C-A42B-282A7FDD671A-low.png
 
Figure 5-31 Input to Output Leakage vs Temperature (Legacy Chip)
GUID-20231003-SS0I-TTMN-GMJN-PGWNJPW4CT9X-low.svg
 
Figure 5-33 Output Reverse Leakage vs Temperature (New Chip)
GUID-20230912-SS0I-XWQQ-TDK9-6QR0S8KPQ8NW-low.svg
VOUT = 3.3 V, IOUT = 50 mA
Figure 5-35 Turn-On Waveform (New Chip)
GUID-20231010-SS0I-FJM4-9QQC-T3ST4C9ZTP5C-low.svg
VOUT = 3.3 V, IOUT = 50 mA
Figure 5-37 Turnoff Waveform (New Chip)
GUID-20231005-SS0I-1MMR-FPJK-VG1FCJBSSZDK-low.svg
VIN = 16 V
Figure 5-39 ON/OFF Pin Current vs VON/OFF (New Chip)
GUID-20231024-SS0I-RXQJ-R6R9-HF8WJKJRNGDH-low.svg
VIN = 4.3 V, VOUT = 3.3 V
Figure 5-2 Output Voltage vs Temperature (New Chip)
GUID-54880B10-7EB3-4AC0-A0DC-A226E32AB7B1-low.svg
 
Figure 5-4 Output Voltage vs VIN (New Chip)
GUID-20230619-SS0I-983P-LSGC-HNNFLL0W80LF-low.svg
 
Figure 5-6 Dropout Voltage vs VIN and Temperature (New Chip)
GUID-20230828-SS0I-VK3F-XSSQ-JCJFN7CVHS92-low.svg
 
Figure 5-8 Dropout Voltage vs Temperature (New Chip)
GUID-20230619-SS0I-NPS9-WFCP-FTP6QCSMHTTB-low.svg
 
Figure 5-10 Dropout Voltage vs Load Current (New Chip)
GUID-20230824-SS0I-QVRZ-2KFZ-HLWDCW1QD4B5-low.svg
 
Figure 5-12 Ground Pin Current vs Temperature (New Chip)
GUID-20230824-SS0I-VKF8-ZWGB-DXMNSBPQTSFR-low.svg
 
Figure 5-14 Ground Pin Current vs Load Current (New Chip)
GUID-20231024-SS0I-BBVT-CSHJ-VH1PQZSGMQRW-low.svg
 
Figure 5-16 Input Current vs Input Voltage (New Chip)
GUID-20230622-SS0I-3BM2-0CDJ-BJ4PT6DMG7TH-low.svg
VIN = 6 V
Figure 5-18 Short-Circuit Current vs Time (New Chip)
GUID-20230622-SS0I-1X2H-LHF4-DKJST0K9TDJT-low.svg
 
Figure 5-20 Short-Circuit Current vs Temperature (New Chip)
GUID-20230622-SS0I-11RH-5LGZ-MNV9TJX2PSKS-low.svg
 
Figure 5-22 Short-Circuit Current vs Time (New Chip)
GUID-E9CDB744-2AC3-4B46-9178-953EAF1D0993-low.png
 
Figure 5-24 Output Impedance vs Frequency (Legacy Chip)
GUID-20231003-SS0I-1WZC-KDMW-1VVF5LFGMVBV-low.svg
VOUT = 3.3 V, IOUT = 50 mA
Figure 5-26 Output Noise Density vs COUT (New Chip)
GUID-DADC7643-0D58-4919-A9EA-C3A32F874930-low.png
 
Figure 5-28 Ripple Rejection (Legacy Chip)
GUID-20231003-SS0I-DNFG-LDT6-T2555QN88GPC-low.svg
VOUT = 3.3 V, COUT = 2.2 μF
Figure 5-30 Ripple Rejection vs IOUT (New Chip)
GUID-02B629CF-ED06-48A3-8C8C-AC8EC80EFF54-low.png
 
Figure 5-32 Output Reverse Leakage vs Temperature (Legacy Chip)
GUID-6B7218AC-F3E6-4D80-8C1D-41047BCBF26B-low.png
 
Figure 5-34 Turn-On Waveform (Legacy Chip)
GUID-8891DB64-6C15-4EC7-9FD2-5D4EF0639913-low.png
 
Figure 5-36 Turnoff Waveform (Legacy Chip)
GUID-CA870864-3758-4075-A14B-FCA97E77DFB9-low.png
 
Figure 5-38 ON/OFF Pin Current vs VON/OFF (Legacy Chip)
GUID-20231010-SS0I-BCBK-RDXB-KPSD6CHNCDPD-low.svg
VIN = 4.3 V
Figure 5-40 ON/OFF Pin Current vs VON/OFF (New Chip)