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The XR79110 is a synchronous step-down controller for point-of load supplies up to 10A. A wide 5.0V to 22V input voltage range allows for single supply operation from industry standard 5V, 12V, and 19.6V rails.
With a proprietary emulated current mode Constant On-Time (COT) control scheme, the XR79110 provides extremely fast line and load transient response using ceramic output capacitors. It requires no loop compensation hence simplifying circuit implementation and reducing overall component count. The control loop also provides exceptional load and line regulation and maintains constant operating frequency. A selectable power saving mode allows the user to operate in discontinuous mode (DCM) at light current loads thereby significantly increasing the converter efficiency.
A host of protection features, including over-current, over-temperature, short-circuit and UVLO, help achieve safe operation under abnormal operating conditions.
The XR79110 is available in RoHS compliant, green/halogen free space saving 10x10mm QFN package.
技術特性
10A Capable Step Down Module
Wide 5.0V to 22V Input Voltage Range
4.5V to 5.5V Low VIN Operation
Integrated High Current 2A/3A Drivers
≥0.6V Adjustable Output Voltage
Wide 5.0V to 22V Input Voltage Range
4.5V to 5.5V Low VIN Operation
Integrated High Current 2A/3A Drivers
≥0.6V Adjustable Output Voltage
Controller, drivers, bootstrap diode and capacitor, MOSFETs, Inductor, CIN and COUT integrated in one package
Proprietary Constant On-Time Control
No Loop Compensation Required
Stable Ceramic Output Capacitor Operation
Programmable 200ns to 2?s On-Time
Constant 400kHz to 600kHz Frequency
Selectable CCM or CCM/DCM Operation
No Loop Compensation Required
Stable Ceramic Output Capacitor Operation
Programmable 200ns to 2?s On-Time
Constant 400kHz to 600kHz Frequency
Selectable CCM or CCM/DCM Operation
Programmable Hiccup Current Limit with Thermal Compensation
Precision Enable and Power Good flag
Programmable Soft-start
10x10mmx4mm QFN package
數據手冊S
XR79110 Datasheet
說明書
Evaluation Board Manual
Product Flyer
產品應用
Networking and Communications
Fast Transient Point-of-Loads
Industrial and Medical Equipment
Embedded High Power FPGA
Repeaters and base stations Datasheet
規格 參數
Iout (A) 10
最低輸入電壓(V) 4.5
最高輸入電壓(V) 22
靜態電流(μA) 700
最低輸出電壓(V) 0.6
最高輸出電壓(V) 18
頻率 400-600
效率(%) 94
輸出電流(mA) 10,000
訂購型號
器件型號 封裝編碼 最低溫度 最高溫度 狀態
XR79110EL-F QFN 10x10x4mm -40 125 Active
XR79110ELTR-F QFN 10x10x4mm -40 125 Active
XR79110EVB Board
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