Datasheet ADP1822 (Analog Devices) - 10

制造商Analog Devices
描述PWM, Step-Down DC-to-DC Controller with Margining and Tracking
页数 / 页24 / 10 — ADP1822. Data Sheet. OUTPUT VOLTAGE. (1V/DIV). (50mV/DIV). SHDN (5V/DIV). …
修订版D
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文件语言英语

ADP1822. Data Sheet. OUTPUT VOLTAGE. (1V/DIV). (50mV/DIV). SHDN (5V/DIV). INPUT VOLTAGE. PWGD (5V/DIV). (5V/DIV)

ADP1822 Data Sheet OUTPUT VOLTAGE (1V/DIV) (50mV/DIV) SHDN (5V/DIV) INPUT VOLTAGE PWGD (5V/DIV) (5V/DIV)

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文件文字版本

ADP1822 Data Sheet OUTPUT VOLTAGE (1V/DIV) OUTPUT VOLTAGE (50mV/DIV) SHDN (5V/DIV) INPUT VOLTAGE PWGD (5V/DIV) (5V/DIV)
05311-012 05311-015 Figure 11. Power-On Response Figure 14. Line Transient Response, 10 V to 16 V
OUTPUT VOLTAGE (1V/DIV) OUTPUT VOLTAGE (100mV/DIV) SHDN (5V/DIV) MAR VOLTAGE (5V/DIV) PWGD (5V/DIV)
05311-013 05311-016 Figure 12. Power-On Response, Prebiased Output Figure 15. Output Voltage Margin-Down Response
OUTPUT VOLTAGE (100mV/DIV) OUTPUT VOLTAGE (1V/DIV) LOAD CURRENT (10A/DIV) MAR VOLTAGE (5V/DIV)
05311-014 05311-017 Figure 13. Output Short-Circuit Response and Recovery Figure 16. Output Voltage Margin-Up Response Rev. D | Page 10 of 24 Document Outline Features Applications General Description Revision History Specifications Absolute Maximum Ratings ESD Caution Simplified Block Diagram Pin Configuration and Function Descriptions Typical Performance Characteristics Theory of Operation Current-Limit Scheme Output Voltage Margining Output Voltage Tracking Soft Start High-Side Driver (BST and DH) Low-Side Driver (DL) Input Voltage Range Setting the Output Voltage Switching Frequency Control Compensation Power-Good Indicator Shutdown Control Application Information Selecting the Input Capacitor Output LC Filter Selecting the MOSFETS Setting the Current Limit Feedback Voltage Divider Setting the Voltage Margin Compensating the Regulator Compensation Using the ESR Zero Compensation Using Feed-Forward Compensation Using Both the ESR and Feed-Forward Zeros Setting the Soft Start Period Synchronizing the Converter Setting the Output Voltage Tracking Application Circuits Outline Dimensions Ordering Guide