ZHCS625B DECEMBER 2011 – February 2019 TPS53219A
PRODUCTION DATA.
- 1 特性
- 2 應用
- 3 說明
- 4 修訂歷史記錄
- 5 Pin Configuration and Functions
- 6 Specifications
-
7 Detailed Description
- 7.1 Overview
- 7.2 Functional Block Diagram
- 7.3
Feature Description
- 7.3.1 Enable and Soft-Start
- 7.3.2 Adaptive ON-Time D-CAP Control and Frequency Selection
- 7.3.3 Small Signal Model
- 7.3.4 Ramp Signal
- 7.3.5 Adaptive Zero Crossing
- 7.3.6 Output Discharge Control
- 7.3.7 Low-Side Driver
- 7.3.8 High-Side Driver
- 7.3.9 Power Good
- 7.3.10 Current Sense and Overcurrent Protection
- 7.3.11 Overvoltage and Undervoltage Protection
- 7.3.12 UVLO Protection
- 7.3.13 Thermal Shutdown
- 7.4 Device Functional Modes
- 8 Application and Implementation
- 9 Power Supply Recommendations
- 10Layout
- 11器件和文檔支持
- 12機械、封裝和可訂購信息
6.6 Typical Characteristics
Figure 1. VDD Supply Current vs Temperature 
Figure 3. OVP/UVP Threshold vs Temperature 
Figure 5. Switching Frequency vs Output Current 
Figure 7. Switching Frequency vs Output Current 
Figure 9. Switching Frequency vs Output Voltage 
Figure 11. Output Voltage vs Input Voltage 
Figure 13. Start-Up Waveform 
Figure 15. Turnoff Waveform 
Figure 2. VDD Shutdown Current vs Temperature 
Figure 4. TRIP Pin Current vs Temperature 
Figure 6. Switching Frequency vs Output Current 
Figure 8. Switching Frequency vs Output Current 
Figure 10. Output Voltage vs Output Current 
Figure 12. Efficiency vs Output Current 
Figure 14. Prebias Start-Up Waveform 
Figure 16. Load Transient Response