LT1765ES8

所属类别：开关稳压器
产品名称：单片式 3A、1.25MHz 降压型开关稳压器
厂商：LINEAR
生产批号：09+
封装：SOIC-8
库存状态：有库存
库存量：8000
最低订购量：1
详细资料：

Product Introduction

LT1765ES8 Monolithic 3A, 1.25MHz step-down switching regulator

peculiarity

采用耐热增强型 16 引脚 TSSOP 或 8 引脚 SO 封装的 3A 开关
1.25MHz 恒定开关频率
宽工作电压范围：3V 至 25V
高效率 0.09Ω 开关
1.2V 反馈基准电压
采用扁平的表面贴装型元件
低停机电流：15μA
可同步至 2MHz
电流模式环路控制
在所有占空比条件下保持了恒定的最大额定开关电流
采用 8 引脚 SO 和 16 引脚耐热增强型 TSSOP 封装

description

LT^®1765 是一款 1.25MHz 单片式降压型开关稳压器。一个高效率 3A、0.09Ω 开关与所需的全部控制电路一起集成在芯片上，旨在构成一款高频、电流模式开关稳压器。电流模式控制实现了快速瞬态响应和超卓的环路稳定性。

新型设计方法在高开关频率条件下实现了高效率 (在一个宽工作电压范围内)。一个低压差内部稳压器在宽输入范围内 (从 24V 系统到锂离子电池) 保持了一致的性能。1mA 的工作电源电流改善了效率，特别是在较低输出电流target条件下。停机模式将静态电流减小至 15μA。最大开关电流在所有占空比条件下保持恒定。同步电路允许一个外部逻辑电平信号把内部振荡器频率提高至 1.6MHz~2MHz。

该器件提供了完整的逐周期电流控制和热停机功能。由于执行了高频操作，因而可以减少输入和输出滤波元件，并允许采用片式电感器。

LT1765ES8-related ICs include:

Model	Manufacturers	lot number	encapsulation	illustrate
LT1765ES8	LINEAR	09+	SOIC-8	Monolithic 3A, 1.25MHz step-down switching regulator

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