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| 型号： | SP7663ER-L/TR |
| 厂商： | Exar Corporation |
| 文件页数： | 1/18页 |
| 文件大小： | 0K |
| 描述： | IC REG BUCK SYNC ADJ 6A 26DFN |
| 标准包装： | 3,000 |
| 系列： | Power Blox™ |
| 类型： | 降压（降压） |
| 输出类型： | 可调式 |
| 输出数： | 1 |
| 输出电压： | 可调至 0.8V |
| 输入电压： | 5 V ~ 22 V |
| PWM 型： | 电压模式 |
| 频率 - 开关： | 600kHz |
| 电流 - 输出： | 6A |
| 同步整流器： | 是 |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 26-VFDFN 裸露焊盘 |
| 包装： | 带卷 (TR) |
| 供应商设备封装： | 26-DFN（7x4） |
S P 7 6 6 3
P o w e r b l o x T M
6 A 6 0 0 K H z S y n c h r o n o u s S t e p D o w n R e g u l a t o r
August 2012
GENERAL DESCRIPTION
The SP7663 is a synchronous voltage mode
PWM step down (buck) regulator capable of a
constant output current up to 6 Amps. A wide
5V to 22V single input voltage range allows for
single supply operations from industry
standard 5V, 12V and 18V power rails.
Operations down to 3V are supported with an
additional biasing voltage.
With a 600kHz constant operating frequency
and integrated high and low side switch, the
SP7663 reduces the overall component count
and solution footprint. In addition to a 1%
output setpoint accuracy, this device provides
high efficiency, low ripple and excellent line
and load regulation. An enable function and
soft start feature allow for controlled power up
sequencing implementation.
Built-in current limiting, UVLO, output short-
circuit and over temperature protection insure
safe operation under abnormal operating
conditions.
The SP7663 is offered in a RoHS compliant,
lead free 26-pin 7mmx4mm DFN package.
Rev. 2.2.0
APPLICATIONS
? Distributed Power Architectures
? Point of Load Converters
? Power Supply Modules
? FPGAs, DSPs and Processors Supplies
FEATURES
? 6A Continuous Current
? 5V-22V Single Input Voltage Rail
? 3V-22V Input Voltage with 5V Bias
? PWM Voltage Mode Control
? 600kHz Fixed Synchronous Operations
? Low RDSON Power Switches
? 0.8V Min. Output Voltage – 1% Accuracy
? Type II & III Compensations Support
? Programmable Soft Start
? Over Temperature & Short Circuit
Protection/Auto-Restart
? Current Limiting
? RoHS Compliant Lead Free 26-Pin DFN
? US Patent #6,922,041
TYPICAL APPLICATION DIAGRAM
Fig. 1: SP7663 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 |
|---|---|
| SP7663ER-TR | 制造商:EXAR 制造商全称:EXAR 功能描述:6A 600KHz Synchronous Step Down Regulator |
| SP7680 | 制造商:SIPEX 制造商全称:Sipex Corporation 功能描述:Evaluation Board Manual |
| SP7680_07 | 制造商:SIPEX 制造商全称:Sipex Corporation 功能描述:Evaluation Board Manual |
| SP7680EB | 功能描述:LED 照明开发工具 Complete Backlight Solution RoHS:否 制造商:Fairchild Semiconductor 产品:Evaluation Kits 用于:FL7732 核心: 电源电压:120V 系列: 封装: |
| SP7680ER1 | 制造商:SIPEX 制造商全称:Sipex Corporation 功能描述:Evaluation Board Manual |
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