Datasheet > EN2390QI

EN2390QI

更新时间： 2022-05-05 08:45:03

品牌	Logo	应用领域
ENPIRION		/
页数	文件大小	规格书
21页	791K
描述
9A Voltage Mode Synchronous Buck PWM

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EN2390QI 数据手册

EN2390QI

Functional Block Diagram

Figure 4: Functional Block Diagram

Functional Description

small size input and output capacitors, as well as a

wide loop bandwidth within a small foot print.

Synchronous Buck Converter

The EN2390QI is a highly integrated synchronous,

buck converter with integrated controller, power

MOSFET switches and integrated inductor. The

nominal input voltage (PVIN) range is 4.5V to 14V

and can support up to 9A of continuous output

current. The output voltage is programmed using

an external resistor divider network. The control

loop utilizes a Type IV Voltage-Mode compensation

network and maximizes on a low-noise PWM

topology. Much of the compensation circuitry is

internal to the device. However, a phase lead

capacitor is required along with the output voltage

feedback resistor divider to complete the Type IV

compensation network.. The high switching

frequency of the EN2390QI enables the use of

Protection Features:

The power supply has the following protection

features:

•

Programmable Over-Current Protection

Thermal Shutdown with Hysteresis.

Under-Voltage Lockout Protection

Additional Features:

•

Switching Frequency Synchronization.

Programmable Soft-Start

Power OK Output Monitoring

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