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特性
- 高效率：12mΩ NMOS, 34mΩ PMOS
- 峰值电流模式控制
- 27ns 最低开启时间
- 宽带宽，快速瞬态响应
- 低纹波 Burst Mode® 运行，IQ 为 80μA
- 工作频率达 6 MHz
- 安全承受过载电感饱和
- VIN 范围：2.25V 至 5.5V
- 固定 VOUT 范围：0.5V 至 3.65V，出厂设置为 50mV 步进
- VOUT 精度：过温度范围内的精度为 ±1%
- 精密 400 mV 启用阈值
- 关断电流：1μA
- 电源正常、内部补偿和软启动
- 耐热性能增强型、12 引脚、2mm × 2mm 倒装芯片 (FCQFN) 封装，侧面可润湿侧翼
- AEC-Q100 适用于汽车应用
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LTC3303是一款非常小巧、高效率、低噪声、单片同步4A降压型DC/DC转换器，采用2.25V至5.5V输入电源。该稳压器采用恒定频率、峰值电流模式控制，以较小的外部组件实现快速瞬态响应。
LTC3303可在强制连续或脉冲跳跃模式下工作，以实现低噪声，或在低纹波突发模式下工作，从而在轻负载条件下实现高效率，适用于电池供电系统。该IC可将输出电压调节到最低500mV。可调版本具有两个额外的外部电阻，工作电压为500mV至VIN。其他特性包括输出过压保护、短路保护、热关断、时钟同步以及高达100%占空比运行以实现低压差。
该器件采用扁平2mm × 2mm FCQFN封装，并具有裸露焊盘和可润湿侧翼。
应用
- 光网络、服务器、电信
- 汽车、工业、通信
- 分布式直流电源系统(POL)
- FPGA、ASIC、μP内核电源
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在下面提交您的问题，我们将从 ADI 的知识库中给出最佳答案:
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LTC3303
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产品技术资料帮助
ADI公司所提供的资料均视为准确、可靠。但本公司不为用户在应用过程中侵犯任何专利权或第三方权利承担任何责任。技术指标的修改不再另行通知。本公司既没有含蓄的允许，也不允许借用ADI公司的专利或专利权的名义。本文出现的商标和注册商标所有权分别属于相应的公司。
参考资料
ADI 始终高度重视提供符合最高质量和可靠性水平的产品。我们通过将质量和可靠性检查纳入产品和工艺设计的各个范围以及制造过程来实现这一目标。出货产品的“零缺陷”始终是我们的目标。查看我们的质量和可靠性计划和认证以了解更多信息。
| 产品型号 | 引脚/封装图-中文版 | 文档 | CAD 符号，脚注和 3D模型 |
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| LTC3303AJUCM#WTRPBF |
12-Lead Plastic Side Solderable TQFN (2mm × 2mm)
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| LTC3303AJUCM-1#WTRPBF |
12-Lead Plastic Side Solderable TQFN (2mm × 2mm)
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| LTC3303AJUCM-1.1#WTRPBF |
12-Lead Plastic Side Solderable TQFN (2mm × 2mm)
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| LTC3303AJUCM-3.5#WTRPBF |
12-Lead Plastic Side Solderable TQFN (2mm × 2mm)
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| LTC3303ARUCM#TRPBF |
12-Lead Plastic Side Solderable TQFN (2mm × 2mm)
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12-Lead Plastic Side Solderable TQFN (2mm × 2mm)
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12-Lead Plastic Side Solderable TQFN (2mm × 2mm)
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- LTC3303AJUCM#WTRPBF
- 引脚/封装图-中文版
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12-Lead Plastic Side Solderable TQFN (2mm × 2mm)
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HTML
Material Declaration
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HTML
Reliablity Data
- CAD 符号，脚注和 3D模型
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Ultra Librarian
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SamacSys
- LTC3303AJUCM-1#WTRPBF
- 引脚/封装图-中文版
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12-Lead Plastic Side Solderable TQFN (2mm × 2mm)
- 文档
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HTML
Material Declaration
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HTML
Reliablity Data
- CAD 符号，脚注和 3D模型
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Ultra Librarian
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SamacSys
- LTC3303AJUCM-1.1#WTRPBF
- 引脚/封装图-中文版
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12-Lead Plastic Side Solderable TQFN (2mm × 2mm)
- 文档
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HTML
Material Declaration
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HTML
Reliablity Data
- CAD 符号，脚注和 3D模型
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Ultra Librarian
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SamacSys
- LTC3303AJUCM-3.5#WTRPBF
- 引脚/封装图-中文版
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12-Lead Plastic Side Solderable TQFN (2mm × 2mm)
- 文档
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HTML
Material Declaration
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HTML
Reliablity Data
- CAD 符号，脚注和 3D模型
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Ultra Librarian
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SamacSys
- LTC3303ARUCM#TRPBF
- 引脚/封装图-中文版
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12-Lead Plastic Side Solderable TQFN (2mm × 2mm)
- 文档
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HTML
Material Declaration
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HTML
Reliablity Data
- CAD 符号，脚注和 3D模型
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Ultra Librarian
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SamacSys
- LTC3303CJUCM#WTRPBF
- 引脚/封装图-中文版
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12-Lead Plastic Side Solderable TQFN (2mm × 2mm)
- 文档
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HTML
Material Declaration
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HTML
Reliablity Data
- CAD 符号，脚注和 3D模型
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Ultra Librarian
-
SamacSys
- LTC3303CRUCM#TRPBF
- 引脚/封装图-中文版
-
12-Lead Plastic Side Solderable TQFN (2mm × 2mm)
- 文档
-
HTML
Material Declaration
-
HTML
Reliablity Data
- CAD 符号，脚注和 3D模型
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Ultra Librarian
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SamacSys
软件和型号相关生态系统
评估套件 3
DC3252A
评估一款采用 2mm × 2mm SWF FCQFN 封装的 3.3V 至 1.2V (4A) 2MHz 同步降压型稳压器 LTC3303A
产品详情
演示电路 DC3252A 采用 LTC3303A 5V、4A 同步降压型 Silent Switcher，作为 2MHz 3.3V 至 1.2V、4A 降压稳压器工作。LTC3303A 支持 0.5V 至 VIN 的可调输出电压。LTC3303A 是一款紧凑型、高效率、高速同步单片式降压型开关稳压器。凭借 27ns 的最短接通时间，能够实现高 VIN 到低 VOUT 的转换。
DC3252A 的可选工作模式包括 Burst Mode、跳跃 (PS) 或强制连续 (FC) 模式。将 JP1 设置到 SKIP 位置还允许 LTC3303A 同步到 1.6MHz 至 2.4MHz 的时钟频率。与外部时钟同步时，LTC3303A 以强制连续模式运行。DC3252A 还具有 EMI 滤波器，可降低传导 EMI。通过在 VIN EMI 端子上施加输入电压可包含该 EMI 滤波器。有关板的 EMI 性能，请参阅“EMI 测试结果”部分。EMI 性能图中的红线表示传导型和辐射型发射测试的 CISPR25 5 级峰值限值。
LTC3303A 数据手册提供了完整的套件、运行和应用信息说明。LTC3303A 的完整规格可在 ADI 公司提供的 LTC3303A 数据手册中找到，使用 DC3252A 评估板时，必须结合用户指南进行查阅。LTC3303A 采用 2mm × 2mm FCQFN 封装，具有支持目视焊接检测的可润湿侧翼 (SWF)。数据手册的“低 EMI PCB 布局”部分中提供了用于实现低 EMI 运行和最大热性能的布局建议。
资料
AD-GMSL2ETH-SL
FPGA-based 8x GMSL to 10 Gb Ethernet Adapter
特性和优点
- Edge compute platform for machine vision and real-time sensor fusion for autonomous robots and vehicles applications
- 8 x GMSL2 camera interfaces with up to 6 Gbps/channel
- 10 Gbps SFP+ Ethernet interface
- IEEE 1588 Precision Time Protocol for synchronization with host systems and other edge devices
- Advanced embedded processing capabilities
- ROS2 compliant
- Advanced camera triggering functions and control features
- Open-source software stack and FPGA design to enable custom applications development
产品详情
The AD-GMSL2ETH-SL is an edge compute platform enabling low-latency data transfer from eight Gigabit Multimedia Serial Link™ (GMSL) interfaces on to a 10 Gb Ethernet link. The target applications include autonomous robots and vehicles where machine vision and real-time sensor fusion is critical.
The system includes two MAX96724 Quad Tunneling GMSL2/1 to CSI-2 Deserializers, enabling connectivity to eight GMSL cameras. The video data from the cameras is transferred from the MAX96724 deserializers via MIPI CSI2 interfaces to an AMD KV26 System on Module which implements the logic to aggregate the video data from all the GMSL cameras into a 10 Gb Ethernet link, so that it can be sent to a central processing unit.
The IEEE 1588 Precision Time Protocol (PTP) with hardware timestamping is supported, enabling accurate synchronization with host systems and other edge devices. The AD9545 Quad Input, 10-Output, Dual DPLL/IEEE 1588, 1 pps Synchronizer and Jitter Cleaner is used to generate the required clocks for the 10 Gb Ethernet interface and the PTP logic.
A software networking stack can be used to realize the communication over the 10 Gb Ethernet link. Since the system runs Linux tools like gstreamer can be used to send the video data to a host and remote connection into the system is possible via ssh. The software network stack has limitations in terms of the maximum achievable transfer rate, and for this reason there is also the option to have an FPGA accelerated UDP or TCP implementation with Real Time Transfer (RTP) protocol for data packetization, which can get up to the maximum achievable data rate on the 10 Gb ethernet interface.
Accurate camera triggering control is achieved through dedicated FPGA logic, with configurable frequency and phase as well as selecting the trigger source between the internal logic and external signals.
Sixteen (16) general purpose I/O pins are available with software configurable functionality, operating at 3.3 V voltage level. A RS232 dedicated interface can be used to connect UART peripherals such as GNSS devices.
The design is accompanied by an open-source software stack and FPGA design, and reference applications, enabling custom software development to start from a proven implementation.
APPLICATIONS
- Autonomous robots and vehicles
资料
AD-GMSL522-SL
GMSL Carrier Board
特性和优点
- GMSL2 prototyping system supporting the NVIDIA Jetson™ SoCs
- On-board MAX96724 that allows 4x GMSL2/1 camera inputs that allows for camera module bring-up, debug, and video streaming
- On-board MAX96717 that can be used for camera emulation and head-unit debug
- Enables development of GMSL applications with NVIDIA Jetson™ SoC
- SAMTEC connector that allows connection of any GMSL DPHY EV Kit to the NVIDIA Jetson™
- Additional inputs: USB, Ethernet, PCIe, and microSD card
产品详情
The AD-GMSL522-SL is a GMSL-enabled NVIDIA Jetson Xavier™ NX-based carrier board and software solution that allows for simple camera to display conversion. This solution creates a scalable, user friendly, GMSL platform for receiving and transmitting data over a gigabit multimedia serial link (GMSL). The platform enables demonstrations and ecosystem development by serving as a hardware platform for software development.
The AD-GMSL522-SL supports two forms of camera input -- either straight CSI data coming through a SAMTEC connector, or via camera modules using GMSL2 or GMSL1 technology to connect to the on-board MAX96724 via COAX connectors. GMSL evaluation kits or any camera utilizing the standard 15- or 22-pin Raspberry Pi connector can be connected here using the AD-GMSLCAMRPI-SL adapter board.
The AD-GMSL522-SL package includes software tools to enable customers in their development of GMSL applications. Among these tools are modified L4T kernels that support certain camera modules and documentation that allows any user to update these kernels for their specific hardware needs.
The design incorporates the MAX96724GTN/VY+ Quad tunneling GMSL2/1 to CSI-2 deserializer and MAX96717GTJ/VY+ CSI-2 to GMSL2 serializer and provides a reliable platform to evaluate high-bandwidth GMSL.
APPLICATIONS
- ADAS Camera Solutions
- Sensor Fusion ECU
- Driver and Occupant Monitoring
- In-cabin Infotainment
资料
Lt Spice