NJU7662M

Series:	--
Packaging:	Tube
Part Status:	Active
Function:	Ratiometric
Output Configuration:	Positive or Negative
Topology:	Charge Pump
Output Type:	Fixed
Number of Outputs:	1
Voltage - Input (Min):	4.5V
Voltage - Input (Max):	20V
Voltage - Output (Min/Fixed):	-Vin, 2Vin
Voltage - Output (Max):	--
Current - Output:	--
Frequency - Switching:	10kHz
Synchronous Rectifier:	No
Operating Temperature:	-20°C ~ 70°C (TA)
Mounting Type:	Surface Mount
Package / Case:	8-SOIC (0.209", 5.30mm Width)
Supplier Device Package:	8-DMP

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NJU7662M Application Field and Working Principle

NJU7662M is a power management integrated circuit (PMIC) belonging to a class of DC DC switching regulators. It is a switching regulator with a high degree of integration and a wide range of input and output voltages. It is suitable for portable computers, mobile phones, digital cameras, and other battery-powered applications.NJU7662M features a high-efficiency synchronous step-down switching regulator, a low-noise linear regulator, and built-in power-on and power-down reset control circuits. The synchronous step-down switching regulator allows for the optimal combination of high efficiency and low output noise. The built-in power-on and power-down reset control circuits operate to maintain system stability.The NJU7662M operates by using the principle of pulse width modulation (PWM) corresponding to a fixed frequency switching scheme. The fixed frequency DC voltage converter uses pulse width modulation (PWM) to control the power supply. The output voltage is regulated by varying the duty cycle of the PWM signal. The NJU7662M is unique in that it also features a bypass control signal, which allows the switching regulator to reduce output noise by conducting cycles with low duty ratios.The NJU7662M has wide input voltage range, allowing devices to be powered over a range of 2.6 V to 5.5 V. The typical switching frequency is adjustable between 1.25MHz and 4MHz, allowing the regulator to be adapted to different circuit requirements. The maximum output current can reach up to 2A and the output voltage can be adjusted to a minimum of 0.8V.NJU7662M also has a special low-power mode. In this mode, the device is able to enter a sleep mode where lower power consumption and longer battery life can be achieved. In addition, the built-in protection functions include over-voltage protection, over-current protection, under-voltage protection, over-temperature protection, and auto-restart protection.Overall, the NJU7662M is an ideal choice for portable and battery-powered applications. It is an efficient, high-performance, and low-noise switching regulator for applications that require high integration and low power consumption. It provides the necessary power management functions in a compact package, making it an ideal choice for applications where space and performance are critical considerations.

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