XR79115EL-F

• 發(fā)布時(shí)間：2018/5/31 10:46:31
• 所屬類別：開關(guān) » 其它開關(guān)
• 公    司：深圳市燁弘軒電子有限公司

XR79115EL-F屬性

XR79115EL-F描述

XR79115EL-F制造商: Exar
產(chǎn)品種類: 開關(guān)穩(wěn)壓器
安裝風(fēng)格: SMD/SMT
封裝 / 箱體: QFN-68
輸出電壓: 600 mV to 5.5 V
輸出電流: 15 A
輸出端數(shù)量: 1 Output
最大輸入電壓: 22 V
拓?fù)浣Y(jié)構(gòu): Buck
最小輸入電壓: 5 V
開關(guān)頻率: 400 kHz to 600 kHz
最小工作溫度: - 40 C
最大工作溫度: + 125 C
系列: XR79115
封裝: Tray
輸入電壓: 5 V to 22 V
工作溫度范圍: - 40 C to + 125 C
靜態(tài)電流: 0.7 mA
類型: Synchronous Step Down COT Power Module
商標(biāo): Exar
關(guān)閉: Shutdown
開發(fā)套件: XR79115EVB
負(fù)載調(diào)節(jié): 0.35%
工作電源電流: 700 uA
產(chǎn)品類型: Switching Voltage Regulators
工廠包裝數(shù)量: 168
子類別: PMIC - Power Management ICs
電源電壓-最小: 4.5 V
單位重量: 810 mg
he XR79115 is a synchronous step-down controller for point-of load supplies up to 15A. 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 XR79115 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 XR79115 is available in RoHS compliant, green/halogen free space saving 12x12mm QFN package.
技術(shù)特性
15A Capable Step Down Module
Wide 5.0V to 22V Input Voltage Range
4.5V to 5.5V Low VIN Operation
≥0.6V Adjustable Output Voltage
Wide 5.0V to 22V Input Voltage Range
4.5V to 5.5V Low VIN Operation
≥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
12x12mmx4mm QFN package

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