MIC27600中文资料36V/7A DC-DC Buck Regulator数据手册Microchip规格书

描述 Description

The MIC27600 is a constant-frequency, synchronous buck regulator featuring a unique digitally modified adaptive on-time control architecture. The MIC27600 operates over an input supply range of 4.5V to 36V and provides a regulated output of up to 7A of output current. The output voltage is adjustable down to 0.8V with a guaranteed accuracy of ±1%, and the device operates at a switching frequency of 300kHz. Hyper Speed Control™ architecture allows for ultra-fast transient response while reducing the output capacitance and also makes (High VIN)/(Low VOUT) operation possible. This digitally modified adaptive tON ripple control architecture combines the advantages of fixed-frequency operation and fast transient response in a single device.The MIC27600 offers a full suite of protection features to ensure protection of the IC during fault conditions. These include undervoltage lockout to ensure proper operation under power-sag conditions, internal soft-start to reduce inrush current, foldback current limit, \"hiccup\" mode short-circuit protection and thermal shutdown.

特性 Features

• Hyper Speed Control™ architecture enables
• High delta V operation (VIN = 36V and VOUT = 0.8V)
• Small output capacitance
• 4.5V to 36V voltage input
• Adjustable output from 0.8V to 5.5V (VHSD = 28V)
• Adjustable output from 0.8V to 3.6V (VHSD = 36V)
• ±1% FB accuracy
• Any Capacitor™ Stable - Zero-ESR to high-ESR
• 7A output current capability, up to 95% efficiency
• 300kHz switching frequency
• Internal compensation, 6ms Internal soft-start
• Foldback current-limit and \"hiccup\" mode short-circuit protection
• Thermal shutdown
• Supports safe startup into a pre-biased load
• -40°C to +125°C junction temperature range

简介

MIC27600属于集成电路（IC）的稳压器-DC-DC开关稳压器。由制造生产的MIC27600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。