LTM4612

所属类别：稳压器
产品名称：符合 EN55022B 规格的 36Vin、15Vout、5A、DC/DC μModule 稳压器
厂商：LT
生产批号：11+
封装：LGA
库存状态：有库存
库存量：2000
最低订购量：1
详细资料：

Product Introduction

LTM4612 EN55022B-compliant 36Vin, 15Vout, 5A, DC/DC μModule regulators

peculiarity

完整的低 EMI 开关模式电源
符合 EN55022 Class B 规格
宽输入电压范围：5V 至 36V
3.3V 至 15V 输出电压范围
5A DC，7A 峰值输出电流
低输入和输出参考噪声
输出电压跟踪和裕度
电源良好跟踪和裕度调节
PLL 频率同步
±1.5% 调整点准确度
电流折返保护功能 (在启动时停用)
并联 / 均流
超快瞬态响应
电流模式控制
可编程软起动
输出过压保护
-55°C 至 125ºC 工作温度范围 (LTM4612MPV)
小占板面积、扁平 (15mm x 15mm x 2.8mm) 表面贴装型 LGA 封装

description

LTM^®4612 是一款符合 EN55022 Class B 规格的高电压输入和输出、5A 开关模式 DC/DC 电源。封装中内置了开关控制器、功率 FET、电感器和所有的支持元件。LTM4612 的工作输入电压范围为 5V 至 36V，可支持一个 3.3V 至 15V 的输出电压范围 (由单个外部电阻器来设定)。仅需采用大容量的输入和输出电容器便可完成设计。

由于采用了高开关频率和一种自适应接通时间电流模式架构，因而实现了针对电压和负载变化的快速瞬态响应，且并未牺牲稳定性。

内置的输入滤波器和噪声抵消电路实现了低噪声耦合，从而有效地降低了电磁干扰 (EMI) —— 见图 4 和 8。此外，还可以使该 DC/DC μModule^® 与一个外部时钟相同步，以减少无用的频率谐波，并允许执行 PolyPhase^® 操作，用于提供高负载电流。

LTM4612 采用节省空间的耐热性能增强型 15mm x 15mm x 2.8mm LGA 封装，因而可以利用 PC 板底部上的未用空间，以实现高密度负载点调节。LTM4612 是无铅型器件，并符合 RoHS 标准。

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RF 系统

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