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参数资料
| 型号： | XRP7665EVB |
| 厂商： | Exar Corporation |
| 文件页数： | 1/12页 |
| 文件大小： | 0K |
| 描述： | BOARD EVAL STEP-DOWN XRP7665 |
| 标准包装： | 1 |
| 主要目的： | DC/DC，步降 |
| 输出及类型： | 1，非隔离 |
| 输出电压： | 0.925 V ~ 16 V |
| 电流 - 输出： | 3A |
| 输入电压： | 4.75 V ~ 18 V |
| 稳压器拓扑结构： | 降压 |
| 频率 - 开关： | 340kHz |
| 板类型： | 完全填充 |
| 已供物品： | 板 |
| 已用 IC / 零件： | XRP7665 |
| 其它名称： | 1016-1754 |
X R P 7 6 6 5
3 A 1 8 V S y n c h r o n o u s S t e p - D o w n C o n v e r t e r
March 2013
GENERAL DESCRIPTION
The XRP7665 is a synchronous current-mode
PWM step down (buck) regulator capable of a
constant output current up to 3 Amps. A wide
4.50V to 18V input voltage range allows for
single supply operations from industry
standard 5V and 12V power rails.
With a 340kHz constant operating frequency
and integrated high and low side
10 0m?/ 9 0m? MOSFETs , the XRP7665 reduces
the overall component count and solution
footprint. Current-mode control provides fast
transient response and cycle-by-cycle current
limit. An adjustable soft-start prevents inrush
current at turn-on, and in shutdown mode the
supply current drops to 0.1μA.
Built-in output over voltage (open load), over
temperature, cycle-by-cycle over current and
under voltage lockout (UVLO) protections
insure safe operations under abnormal
operating conditions.
The XRP7665 is a pin and function compatible
device to MP1484 and a 3A pin to pin upgrade
to XRP7664.
The XRP7665 is offered in a RoHS compliant,
“green”/halogen free 8 -pin exposed pad SOIC
package.
Rev. 2.0.1
APPLICATIONS
? Distributed Power Architectures
? Point of Load Converters
? Audio-Video Equipments
? Medical & Industrial Equipments
FEATURES
? Pin/Function Compatible to MP1484
? 3A Continuous Output Current
? 4.50V to 18V Wide Input Voltage
? PWM Current Mode Control
? 340kHz Constant Operations
? Up to 93% Efficiency
? Adjustable Output Voltage
? 0.925V to 16V Range
? 2.0% Accuracy
? Programmable Soft-Start and Enable
Function
? Built-in Thermal, Over Current, UVLO
and Output Over Voltage Protections
? RoHS Compliant “Green”/Halogen Free
8-Pin Exposed Pad SOIC Package
TYPICAL APPLICATION DIAGRAM
Fig. 1: XRP7665 Application Diagram
Exar Corporation
48720 Kato Road, Fremont CA 94538, USA
www.exar.com
Tel. +1 510 668-7000 – Fax. +1 510 668-7001
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相关代理商/技术参数 |
参数描述 |
|---|---|
| XRP7665IDBTR-F | 功能描述:电流型 PWM 控制器 3A 18V Synchronous Step Down Regulator RoHS:否 制造商:Texas Instruments 开关频率:27 KHz 上升时间: 下降时间: 工作电源电压:6 V to 15 V 工作电源电流:1.5 mA 输出端数量:1 最大工作温度:+ 105 C 安装风格:SMD/SMT 封装 / 箱体:TSSOP-14 |
| XRP7674 | 制造商:EXAR 制造商全称:EXAR 功能描述:2A 18V Synchronous PFM/PWM Step-Down Regulator |
| XRP7674EVB | 功能描述:电源管理IC开发工具 2A 18V PFM/PWM EVAL Board RoHS:否 制造商:Maxim Integrated 产品:Evaluation Kits 类型:Battery Management 工具用于评估:MAX17710GB 输入电压: 输出电压:1.8 V |
| XRP7674IDTR-F | 功能描述:直流/直流开关调节器 2A 18V PFM/PWM Step-Down Regulator RoHS:否 制造商:International Rectifier 最大输入电压:21 V 开关频率:1.5 MHz 输出电压:0.5 V to 0.86 V 输出电流:4 A 输出端数量: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:PQFN 4 x 5 |
| XRP7675 | 制造商:EXAR 制造商全称:EXAR 功能描述:3A 18V Synchronous PFM/PWM Step-Down Regulator |
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