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RENESAS ISL85415FRZ-T ISL85415FRZ
Configuration
1 options
Configuration
22+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- RENESAS ISL85415FRZ-T
- Type
- DFN-12(4X3)
- Minimum package
- 6000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- RENESAS
- Electronic Component
- ISL85415FRZ-T
- Electronic Component
- 1
- Package
- DFN-12(4x3)
- Electronic Component
- DC-DC Power Supply IC
- Electronic Component
- 0.001g
- Electronic Component
- 1
- Type
- Electronic Component
- Synchronous
- Electronic Component
- Electronic Component
- BM0264858903
- Operating Temperature
- 40℃~+125℃@(TJ)
- Operating Voltage
- 3V~36V
- Switching Frequency
- 2MHz；500kHz
- Electronic Component
- Electronic Component
- Output Voltage
- 600mV~34V
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
ISL85415FRZ-T 产品概述
一、简介
ISL85415FRZ-T（瑞萨 Renesas）是一款高集成度降压型开关稳压器IC，单通道降压拓扑，内置开关管并采用同步整流设计，输出可调，反馈参考电压为0.6V。器件适用于输入电压范围宽、需高密度电源设计的场合，封装为DFN-12（4×3）/12‑VFDFN 并带裸露焊盘，便于散热与PCB接地处理。
二、主要电气参数
- 功能类型：降压型（Buck）
- 工作电压：3V ～ 36V
- 输出电压：可调 0.6V ～ 34V
- 输出电流：最高 500mA
- 开关频率：支持 500kHz 与 2MHz（可选/配置）
- 同步整流：是（内置同步功率管）
- 工作温度：-40℃ ～ +125℃（结温 TJ）
- 输出通道数：1；内部开关：内置
三、优势与适用场景
- 高集成度：内置开关管与同步整流，外部器件数量少，适合空间受限的板级电源设计。
- 宽输入范围：可直接用于多种电源环境（例如电池组、24V 工业母线或12V 系统降压）。
- 高频操作：2MHz 工作频率可显著缩小电感与输出电容体积，便于高密度布局；500kHz 运行则有利于提高效率、降低热耗。
- 工业级温度范围：适合工业、通信与嵌入式设备等对宽温度要求的应用。
四、设计要点与建议
- 频率选择：若目标最小化体积优先，选 2MHz 可减小被动件；若效率与热量控制优先，选 500kHz 更合适。
- 电感与电容选型：选用能承受峰值电流的电感，并结合低ESR输出电容以保证输出纹波与稳定性。根据目标频率与电流进行电感电流/饱和电流裕量设计。
- 反馈网络：利用0.6V基准通过外部分压电阻设定输出电压，注意布线和滤波以抑制噪声影响调节回路稳定性。
- 布局与散热：裸露焊盘应与大面积接地铜箔良好焊接以增强散热；输入电容置于器件附近以缩短信号回路，开关节点走线尽量短且与敏感信号分离。
五、典型应用
- 便携式与电池供电设备的中低功率降压
- 工业控制与测控终端的局部电源
- 通信设备、点位电源以及对体积与热管理有严格要求的嵌入式系统
总结：ISL85415FRZ-T 提供了宽输入、可调输出和同步整流的高集成降压方案，适用于需要在有限空间内实现高密度、可靠降压转换的设计。选型时关注开关频率与被动件配合及良好的PCB散热布局，可获得最佳性能与可靠性。
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