ZHCSIE3B June   2018  – May 2019 LMZM33606

PRODUCTION DATA.  

  1. 特性
  2. 应用
    1.     简化电路原理图
  3. 说明
    1.     最小解决方案尺寸
    2.     典型效率(自动模式)
  4. 修订历史记录
  5. Pin Configuration and Functions
    1.     Pin 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 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. 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. 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. 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器件和文档支持
    1. 11.1 器件支持
      1. 11.1.1 第三方米6体育平台手机版_好二三四免责声明
    2. 11.2 接收文档更新通知
    3. 11.3 社区资源
    4. 11.4 商标
    5. 11.5 静电放电警告
    6. 11.6 Glossary
  12. 12机械、封装和可订购信息
    1. 12.1 Tape and Reel Information

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