LTC3026

所属类别：稳压器
产品名称：1.5A 低输入电压 VLDO 线性稳压器
厂商：LT
生产批号：11+
封装：DFN-10, MS-10
库存状态：有库存
库存量：2000
最低订购量：1
详细资料：

Product Introduction

LTC30261.5A low input voltage VLDO linear regulator

peculiarity

输入电压范围：
1.14V 至 3.5V (升压转换器使能)
1.14V 至 5.5V (采用外部 5V 升压)
低压差电压：100mV (在 I_OUT = 1.5A)
可调输出范围：0.4V 至 2.6V
输出电流：高达 1.5A
卓越的电源抑制性能 (即使在接近压差的条件下也不例外)
停机模式将负载从 V_IN 和 V_BST 断接
低工作电流：I_IN = 950μA (在 V_IN = 1.5V)
低停机电流：
I_INBST = 0.1μA (典型值)
在采用 10μF 或更大的陶瓷电容器时可实现稳定
短路、反向电流保护
过热保护
采用 10 引脚 MSOP 和 10 引脚 (3mm x 3mm) DFN 封装

description

The LTC®3026 is a very low dropout (VLDOTM) linear regulator that operates with input voltages as low as 1.14V. The device is capable of delivering 1.5A output current with a typical dropout voltage of only 100mV. To allow operation at low input voltages, the LTC3026 has a built-in boost converter that is responsible for providing the space necessary for the internal LDO circuitry.

The output current comes directly from the input power supply and is designed to maximize efficiency. The step-up converter requires only a small chip inductor and ceramic capacitor to perform the operation. In addition, a LTC3026 boost output voltage can provide a boost voltage for other LTC3026, so multiple LDOs only need a single inductor. A user-supplied boost voltage can be used, eliminating the need for additional inductors.

LTC3026 regulators are stable with ceramic output capacitors of 10μF or larger. The device has a low reference voltage of 0.4V for setting the output voltage through two external resistors. The device also features internal current limiting, overheat shutdown, and reverse output current protection. LTC3026 is available in a small form factor 10-pin MSOP or a low profile (only 0.75mm high) 10-pin 3mm x 3mm DFN package.

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高效率线性稳压器
用于开关电源的后置稳压器
微处理器电源

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