A7986A中文资料3 A步降电压开关稳压器，用于汽车应用数据手册ST规格书

描述 Description

The A7986A is a step-down switching regulator with a 3.7 A (min.) current limited embedded power MOSFET, so it is able to deliver up to 3 A current to the load depending on the application conditions.

The input voltage can range from 4.5 V to 38 V, while the output voltage can be set starting from 0.6 V to VIN.

Requiring a minimum set of external components, the device includes an internal 250 kHz switching frequency oscillator that can be externally adjusted up to 1 MHz.

The HSOP8 package with exposed pad allows the reduction of Rth(JA) down to 40 °C/W.

特性 Features

• AEC-Q100 qualified
• 3 A DC output current
• 4.5 V to 38 V input voltage
• Output voltage adjustable from 0.6 V
• 250 kHz switching frequency, programmable up to 1 MHz
• Internal soft-start and enable
• Low dropout operation: 100% duty cycle
• Voltage feed-forward
• Zero load current operation
• Overcurrent and thermal protection
• HSOP8 package

简介

A7986A属于集成电路（IC）的稳压器-DC-DC开关稳压器。由ST制造生产的A7986A稳压器 - DC-DC 开关稳压器DC-DC 开关稳压器 PMIC（电源管理集成电路）产品族中的产品是元器件级设备，用于需要稳定 DC 输入电压和/或将其转换为不同幅度的输出电压的应用。这些器件与称为“控制器”PMIC 的类似产品的区别在于集成了主开关元件，设备提供的电力会通过该元件。