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LTM4619

Category:converter
Product Name:Dual, 26Vin, 4A DC/DC μModule converter
Manufacturers:LT
Production Batch Number:11+
Encapsulation:LGA
Stock Status:There is stock
Stock Quantity:2000
Minimum order quantity: 1
Details:

Product introduction

LTM4619双通道、26Vin、4A DC/DC μModule 转换器

peculiarity

完整的独立型电源
宽输入电压范围：4.5V 至 26.5V (在 V_IN≤ 5. 5V 时可使用 EXTV_CC)
180° 异相pair输出，每个通道可提供 4A DC (典型值)、5A 峰值输出电流
具有 0.8V 至 5V V_OUT范围的双输出
输出电压跟踪
±1.5% 总 DC 输出误差
电流模式控制 / 快速瞬态响应
电源良好
可锁相固定频率：250kHz 至 780kHz
内置频率同步
并联均流
可选的突发模式 (Burst Mode^®) 操作
Output overvoltage protection
占板面积小巧的表面贴装型、扁平 (15mm x 15mm x 2.8mm) LGA 封装

description

LTM^®4619 是一款完整的双通道、4A 降压型开关模式 DC/DC 电源。封装中内置了开关控制器、功率 MOSFET、电感器、以及所有的支持元件。LTM4619 可在一个 4.5V 至 26.5V 的输入电压范围内运作，支持两个电压范围为 0.8V 至 5V 的输出 (各由单个外部电阻器来设定)。其高效率设计可为每个输出提供 4A 的连续电流 (峰值为 5A)。

高开关频率和一种电流模式架构的运用实现了针对电压和负载变化的快速瞬态响应，而并未牺牲稳定性。使两个输出的相位相差 180°，以最大限度地降低纹波噪声并减少 I/O 电容器。该器件支持频率同步和用于电源轨排序的输出电压跟踪功能。在轻负载条件下，可选择执行突发模式操作或脉冲跳跃模式。

故障保护功能包括过压保护、过流保护和用于提供短路保护的折返电流限制。

扁平封装 (高度仅 2.8mm) 使得能够利用 PC 板底部上的未用空间，以实现高密度负载点调节。该电源模块采用节省空间和耐热性能增强型 15mm x 15mm x 2.8mm LGA 封装。LTM4619 是无铅型器件，并符合 RoHS 标准。

apply

电信和网络设备
server
存储卡
ATCA 卡
Industrial equipment
负载点调节

andLTM4619Related ICs are:

Model	Manufacturers	lot number	encapsulation	illustrate
LTM4619	LT	11+	LGA	Dual, 26Vin, 4A DC/DC μModule converter
2946191	Phoenix	10+	N/A	全新原装进口，香港现货
MAX4619EPE	MAXIM	05+	DIP-16	Brand new original
MAX4619EEE	MAXIM	05+	SSOP-16	Brand new original
MAX4619EUE	MAXIM	00+	SSOP-16	Brand new original
MAX4619CSE	MAXIM	05+	SOIC	Brand new original
MAX4619CPE	MAXIM	05+	DIP-16	Brand new original
MSP430FG4619	TI	10+	SOP	16-bit ultra-low-power MCU, 120KB flash, 4KB RAM, 12-bit ADC, dual DAC, DMA, 3 OPAMPs, and 160-segment LCD

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