JAJSFM8B June   2018  – May 2019 LMZM33606

PRODUCTION DATA.  

  1. 1 特長
  2. 2 アプリケーション
    1.     概略回路図
  3. 3 概要
    1.     最小のソリューション・サイズ
    2.     標準的な効率(自動モード)
  4. 4 改訂履歴
  5. 5 Pin Configuration and Functions
    1.     Pin 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
    6. 6.6 Switching Characteristics
    7. 6.7 Typical Characteristics (VIN = 12 V)
    8. 6.8 Typical Characteristics (VIN = 24 V)
    9. 6.9 Typical Characteristics (VIN = 36 V)
  7. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1  Adjusting the Output Voltage
      2. 7.3.2  Input Capacitor Selection
      3. 7.3.3  Output Capacitor Selection
      4. 7.3.4  Transient Response
      5. 7.3.5  Feed-Forward Capacitor
      6. 7.3.6  Switching Frequency (RT)
      7. 7.3.7  Synchronization (SYNC/MODE)
      8. 7.3.8  Output Enable (EN)
      9. 7.3.9  Programmable System UVLO (EN)
      10. 7.3.10 Internal LDO and BIAS_SEL
      11. 7.3.11 Power Good (PGOOD) and Power Good Pull-Up (PGOOD_PU)
      12. 7.3.12 Mode Select (Auto or FPWM)
      13. 7.3.13 Soft Start and Voltage Tracking
      14. 7.3.14 Voltage Dropout
      15. 7.3.15 Overcurrent Protection (OCP)
      16. 7.3.16 Thermal Shutdown
    4. 7.4 Device Functional Modes
      1. 7.4.1 Active Mode
      2. 7.4.2 Auto Mode
      3. 7.4.3 FPWM Mode
      4. 7.4.4 Shutdown Mode
  8. 8 Application and Implementation
    1. 8.1 Application Information
    2. 8.2 Typical Application
      1. 8.2.1 Design Requirements
      2. 8.2.2 Detailed Design Procedure
        1. 8.2.2.1 Output Voltage Setpoint
        2. 8.2.2.2 Setting the Switching Frequency
        3. 8.2.2.3 Input Capacitors
        4. 8.2.2.4 Output Capacitor Selection
        5. 8.2.2.5 Feed-Forward Capacitor (CFF)
        6. 8.2.2.6 Application Curves
  9. 9 Power Supply Recommendations
  10. 10Layout
    1. 10.1 Layout Guidelines
    2. 10.2 Layout Example
    3. 10.3 Theta JA vs PCB Area
    4. 10.4 Package Specifications
    5. 10.5 EMI
      1. 10.5.1 EMI Plots
  11. 11デバイスおよびドキュメントのサポート
    1. 11.1 デバイス・サポート
      1. 11.1.1 デベロッパー・ネットワークの製品に関する免責事項
    2. 11.2 ドキュメントの更新通知を受け取る方法
    3. 11.3 コミュニティ・リソース
    4. 11.4 商標
    5. 11.5 静電気放電に関する注意事項
    6. 11.6 Glossary
  12. 12メカニカル、パッケージ、および注文情報
    1. 12.1 Tape and Reel Information

6.7 Typical Characteristics (VIN = 12 V)

The typical characteristic data has been developed from actual products tested at 25°C. This data is considered typical for the device.
LMZM33606 D014_12VeffFPWMLin2.gif
FPWM Mode Linear Scale
Figure 1. Efficiency vs Output Current
LMZM33606 D015_12VeffFPWMLog3.gif
FPWM Mode Log Scale
Figure 3. Efficiency vs Output Current
LMZM33606 D017_12VRippleFPWM2.gif
FPWM Mode COUT = 4 × 47 µF ceramic
Figure 5. Voltage Ripple vs Output Current
LMZM33606 D018_12VPdis2.gif
Figure 7. Power Dissipation vs Output Current
LMZM33606 D021_12Vto33VSOA.gif
VOUT = 3.3 V fSW = 500 kHz
PCB = 75 mm × 75 mm, 4-layer, 2 oz. copper
Figure 9. Safe Operating Area
LMZM33606 D012_12VeffAutoLin2.gif
Auto Mode Linear Scale
Figure 2. Efficiency vs Output Current
LMZM33606 D013_12VeffAutoLog2.gif
Auto Mode Log Scale
Figure 4. Efficiency vs Output Current
LMZM33606 D016_12VRippleAuto2.gif
Auto Mode COUT = 4 × 47 µF ceramic
Figure 6. Voltage Ripple vs Output Current
LMZM33606 D022_12Vto18VSOA.gif
VOUT = 1.8 V fSW = 400 kHz
PCB = 75 mm × 75 mm, 4-layer, 2 oz. copper
Figure 8. Safe Operating Area
LMZM33606 D020_12Vto5VSOA.gif
VOUT = 5 V fSW = 500 kHz
PCB = 75 mm × 75 mm, 4-layer, 2 oz. copper
Figure 10. Safe Operating Area