ZHCSIT8 September   2018 LM2734-Q1

PRODUCTION DATA.  

1. 1 特性
2. 2 應用
3. 3 說明
   1.     Device Images
      1.      典型應用電路
      2.      效率與負載電流間的關系VIN = 5V，VOUT = 3.3V
4. 4 修訂歷史記錄
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 Typical Characteristics
7. 7 Detailed Description
   1. 7.1 Overview
   2. 7.2 Functional Block Diagram
   3. 7.3 Feature Description
      1. 7.3.1 Output Overvoltage Protection
      2. 7.3.2 Undervoltage Lockout
      3. 7.3.3 Current Limit
      4. 7.3.4 Thermal Shutdown
   4. 7.4 Device Functional Modes
      1. 7.4.1 Enable Pin / Shutdown Mode
      2. 7.4.2 Soft Start
8. 8 Application and Implementation
   1. 8.1 Application Information
      1. 8.1.1 Boost Function
   2. 8.2 Typical Applications
      1. 8.2.1  LM2734X (1.6 MHz) VBOOST Derived from VIN 5V to 1.5 V/1 A
         1. 8.2.1.1 Design Requirements
         2. 8.2.1.2 Detailed Design Procedure
            1. 8.2.1.2.1 Custom Design With WEBENCH® Tools
            2. 8.2.1.2.2 Inductor Selection
            3. 8.2.1.2.3 Input Capacitor
            4. 8.2.1.2.4 Output Capacitor
            5. 8.2.1.2.5 Catch Diode
            6. 8.2.1.2.6 Boost Diode
            7. 8.2.1.2.7 Boost Capacitor
            8. 8.2.1.2.8 Output Voltage
         3. 8.2.1.3 Application Curves
      2. 8.2.2  LM2734X (1.6 MHz) VBOOST Derived from VOUT 12 V to 3.3 V /1 A
         1. 8.2.2.1 Design Requirements
         2. 8.2.2.2 Detailed Design Procedure
         3. 8.2.2.3 Application Curves
      3. 8.2.3  LM2734X (1.6 MHz) VBOOST Derived from VSHUNT 18 V to 1.5 V /1 A
         1. 8.2.3.1 Design Requirements
         2. 8.2.3.2 Detailed Design Procedure
         3. 8.2.3.3 Application Curves
      4. 8.2.4  LM2734X (1.6 MHz) VBOOST Derived from Series Zener Diode (VIN) 15 V to 1.5 V / 1 A
         1. 8.2.4.1 Design Requirements
         2. 8.2.4.2 Detailed Design Procedure
         3. 8.2.4.3 Application Curves
      5. 8.2.5  LM2734X (1.6 MHz) VBOOST Derived from Series Zener Diode (VOUT) 15 V to 9 V /1 A
         1. 8.2.5.1 Design Requirements
         2. 8.2.5.2 Detailed Design Procedure
         3. 8.2.5.3 Application Curves
      6. 8.2.6  LM2734Y (550 kHz) VBOOST Derived from VIN 5 V to 1.5 V / 1 A
         1. 8.2.6.1 Design Requirements
         2. 8.2.6.2 Detailed Design Procedure
         3. 8.2.6.3 Application Curves
      7. 8.2.7  LM2734Y (550 kHz) VBOOST Derived from VOUT 12 V to 3.3 V / 1 A
         1. 8.2.7.1 Design Requirements
         2. 8.2.7.2 Detailed Design Procedure
         3. 8.2.7.3 Application Curves
      8. 8.2.8  LM2734Y (550 kHz) VBOOST Derived from VSHUNT 18 V to 1.5 V / 1 A
         1. 8.2.8.1 Design Requirements
         2. 8.2.8.2 Detailed Design Procedure
         3. 8.2.8.3 Application Curves
      9. 8.2.9  LM2734Y (550 kHz) VBOOST Derived from Series Zener Diode (VIN) 15 V to 1.5 V / 1 A
         1. 8.2.9.1 Design Requirements
         2. 8.2.9.2 Detailed Design Procedure
         3. 8.2.9.3 Application Curves
      10. 8.2.10 LM2734Y (550 kHz) VBOOST Derived from Series Zener Diode (VOUT) 15 V to 9 V / 1 A
          1. 8.2.10.1 Design Requirements
          2. 8.2.10.2 Detailed Design Procedure
          3. 8.2.10.3 Application Curves
9. 9 Power Supply Recommendations
10. 10Layout
    1. 10.1 Layout Guidelines
    2. 10.2 Layout Example
11. 11器件和文檔支持
    1. 11.1 開發支持
       1. 11.1.1 使用 WEBENCH® 工具創建定制設計
    2. 11.2 接收文檔更新通知
    3. 11.3 社區資源
    4. 11.4 第三方產品免責聲明
    5. 11.5 商標
    6. 11.6 靜電放電警告
    7. 11.7 術語表
12. 12機械、封裝和可訂購信息