MP2491CGQB集成电路（IC）的稳压器-DC-DC开关稳压器规格书PDF中文资料

MP2491CGQB属于集成电路（IC）的稳压器-DC-DC开关稳压器。由美国芯源系统有限公司制造生产的MP2491CGQB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。

DESCRIPTION

The MP2491C is a fully integrated, high-voltage,

step-down converter. The MP2491C can

achieve 6A of continuous output current with

excellent load and line regulation over a wide

input supply range.

Constant-on-time (COT) control operation

provides very fast transient response, easy loop

design, and very tight output regulation.

Full protection features include over-current

protection (OCP), hiccup current limiting, output

over-voltage protection (OVP), and thermal

shutdown.

The MP2491C requires a minimal number of

readily available, standard, external

components and is available in a QFN-13

(2.5mmx3mm) package.

FEATURES

 Wide 4.0V to 32V Operating Input Range

 0.5V to 30V Output Voltage Range

 6A Output Current

 Constant-on-Time (COT) Control

 Two Dedicate Voltage Scaling Control Pins

 Slew Rate Control during DVS

 Low Dropout Mode Operation

 33mΩ/22mΩ Internal MOSFET Switches

 450µA IQ

 Fixed 490kHz Switching Frequency

 Output Line Drop Compensation when VFB =

0.5V

 EN Shutdown Discharge

 Output Over-Voltage Protection (OVP)

 Adjustable Auto-PFM/PWM Mode or Forced

PWM Mode

 Adjustable Current Limit

 Power Good (PG) Indication

 Available in a QFN-13 (2.5mmx3mm)

Package

APPLICATIONS

 TVs, Monitors

 MFP Power Supplies

 USB Power Supplies with PD

 Automotive Cigarette Lighter Adapters