ZHCSCO8E June 2014 – May 2019 TPS65283 , TPS65283-1
PRODUCTION DATA.
- 1 特性
- 2 應(yīng)用
- 3 說明
- 4 典型電路原理圖
- 5 修訂歷史記錄
- 6 說明 （續(xù)）
- 7 Pin Configuration and Functions
- 8 Specifications
-
9 Detailed Description
- 9.1 Overview
- 9.2 Functional Block Diagram
- 9.3
Feature Description
- 9.3.1 Power Switch Detailed Description
- 9.3.2
Buck DC-DC Converter Detailed Description
- 9.3.2.1 Output Voltage
- 9.3.2.2 Adjustable Switching Frequency
- 9.3.2.3 Synchronization
- 9.3.2.4 Error Amplifier
- 9.3.2.5 Slope Compensation
- 9.3.2.6 Enable and Adjusting UVLO
- 9.3.2.7 Internal V7V Regulator
- 9.3.2.8 Short Circuit Protection
- 9.3.2.9 Bootstrap Voltage (BST) and Low Dropout Operation
- 9.3.2.10 Output Overvoltage Protection (OVP)
- 9.3.2.11 Power Good
- 9.3.2.12 Power-Up Sequencing
- 9.3.2.13 Thermal Performance
- 9.4 Device Functional Modes
- 10Application and Implementation
- 11Power Supply Recommendations
- 12Layout
- 13器件和文檔支持
- 14機械、封裝和可訂購信息
封裝選項
機械數(shù)據(jù) (封裝 | 引腳)
- RGE|24
散熱焊盤機械數(shù)據(jù) (封裝 | 引腳)
- RGE|24
訂購信息
10.2.3 Application Curves
TJ = 25°C, Vin = 12 V, Vout1 = 1.2 V, Vout2 = 5 V, ƒSW = 500 kHz, RnFAULT1 = RnFAULT2 = 100 kΩ (unless otherwise noted)
Figure 32. Buck1 Start Up by EN1 Pin With 2-A Loading 
Figure 34. Ramp Vin to Start Up Buck1 With 2-A Loading 
Figure 36. Buck1 Shut Down by EN1 Pin With 2-A Loading 
| Iout1 = Iout2 = 0 A |
| Iout1 = Iout2 = 0.1 A |
| Iout1 = Iout2 = 0 to 1 A |
| Rout = 50 Ω, | Cout = 10 μF |
Figure 33. Buck2 Start Up by EN2 Pin With 2-A Loading 
Figure 35. Ramp Vin to Start Up Buck2 With 2-A Loading 
Figure 37. Buck2 Shut Down by EN2 Pin With 2-A Loading 
| Iout1 = Iout2 = 2.5 A |
| Iout1 = Iout2 = 0 to 1 A |
| Iout1 = 2.5 to 3.5 A, | Iout2 = 1.5 to 2.5 A |
| Rout = 50 Ω, | Cout = 10 μF |
