XR79110EL-F
XR79110EL-F属性
- 联系我们获得最低
- 开关稳压器
- 稳压器与电压控制器
- 市场最低
- Exar
XR79110EL-F描述
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.
技术特性
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
XR79110EL-F 制造商: Exar
产品种类: 开关稳压器
安装风格: SMD/SMT
封装 / 箱体: QFN-72
输出电压: 600 mV to 5.5 V
输出电流: 10 A
输出端数量: 1 Output
最大输入电压: 22 V
拓扑结构: Buck
最小输入电压: 4.5 V
开关频率: 400 kHz to 600 kHz
最小工作温度: - 40 C
最大工作温度: + 125 C
系列: XR79110
封装: Tray
输入电压: 4.5 V to 22 V
工作温度范围: - 40 C to + 125 C
静态电流: 0.7 mA
类型: Synchronous Step Down COT Power Module
商标: Exar
关闭: Shutdown
开发套件: XR79110EVB
负载调节: 0.35%
湿度敏感性: Yes
工作电源电流: 700 uA
产品类型: Switching Voltage Regulators
工厂包装数量: 168
子类别: PMIC - Power Management ICs
电源电压-最小: 4.5 V
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