NCP167AMX350TBG

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NCP167AMX350TBG (hereafter referred to as NCP167) is a three-terminal current limited regulator, with up to 350 mA output current as its main feature, and it is in the Linear category of PMIC voltage regulators. NCP167 is a 3-pin medium power regulator delivering up to 350mA of output current. Its primary applications are in:

• Portable Equipment
• Mobile Phones
• SOCs and Multi-Functional Devices

NCP167 belongs to a family of components, the xxx series, which is the main focus of NCP167\'s design. The xxx series provides maximum output current up to 350 mA and comprises a variety of devices with different pinouts, and a wide input voltage range.

NCP167 offers various benefits and features such as EMC compliance, wide input voltage range, quick response to load transients, low output noise, good line regulation, and thermal shutdown. NCP167 operates from an input voltage range of 2.0V to 30V and can withstand transients over that same range for short periods of time.

NCP167 has a current-limiting feature that protects other components and reduces power dissipation when an output voltage spike or a short circuit occurs. The current limit is fixed at 1A, which reduces the transient voltages on the sense pin below 100mV. This feature helps maintain a stable output voltage as output loads, input voltage, and/or temperature changes.

NCP167 has various features that ensure it is a reliable and efficient regulator. Its protection features include protection against overcurrent, overvoltage, and thermal shutdown. These features ensure that the NCP167 regulator is able to sustain a stable and reliable output over a wide range of operating conditions. NCP167 also offers:

• An adjustable voltage dropout of 1.5V to 4.2V
• Excellent line/load transient response
• Low output noise
• EMI protection for telecommunication applications
• Adaptive dual-mode control with both fixed-current limiting and peak-current limiting

NCP167\'s operating principle is based on a current-feedback control circuit. This circuit converts the regulated output voltage to a predetermined level regardless of changes in load and temperature. A sense pin is used to provide the feedback voltage for the current-feedback control circuit. The voltage across the sense pin is proportional to the output current of the regulator. This allows the current-feedback control circuit to adjust its output current in a very precise manner and provides the current limit protection.

The NCP167 can be used as an ideal regulator for: computers, home/industrial equipment, portable devices, mobile phones, and other application-specific integrated circuits that use an adjustable linear regulator. It is designed to provide robust voltage regulation and excellent transient response with a minimum amount of external components.

In summary, the NCP167 is a three-terminal current limited regulator primarily used in portable and mobile equipment, providing up to 350mA of output current, and is suitable for applications requiring robust voltage regulation and excellent transient response. Its unique features such as overvoltage protection, overcurrent protection, and thermal shutdown offer the reliability needed to protect against unexpected conditions. With its current-feedback control circuit,the NCP167 is able to quickly and precisely respond to load transients and ensure stable output voltage over wide range of environmental conditions.

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