USBN9604-28M/NOPB

Series:	--
Packaging:	Tube
Part Status:	Last Time Buy
Protocol:	USB
Function:	Controller
Interface:	Parallel
Standards:	USB 1.0 and 1.1
Voltage - Supply:	3 V ~ 5.5 V
Current - Supply:	30mA
Operating Temperature:	0°C ~ 70°C
Package / Case:	28-SOIC (0.295", 7.50mm Width)
Supplier Device Package:	28-SOIC
Base Part Number:	USBN9604

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Interface - Controllers: USBN9604-28M/NOPB application field and working principleThe USBN9604-28M/NOPB is a type of high-performance non-isolated synchronous stepped-down DC-DC controllers. It was designed for voltage and current-regulated systems. The USBN9604-28M/NOPB is typically used to regulate the current, voltage, and power in automotive, industrial, and medical applications. The USBN9604-28M/NOPB offers excellent efficiency, low ripple, and stability. It operates with an input voltage range of 4.75-40V and is rated for up to 1.5A of current. It has a programmable auto-start feature and adjustable frequency, allowing it to operate with high current and voltage precision under diverse environmental conditions. In addition to outstanding efficiency, the USBN9604-28M/NOPB also offers robust protection, including output short-circuit protection, overcurrent protection, and overvoltage protection. These integrated protective measures make it suitable for many potentially hazardous applications, such as high-volume data centers, industrial automation systems, and medical equipment. The USBN9604-28M/NOPB uses a synchronous stepped-down converter topology to regulate output power and voltage. The IC chip contains two high-efficiency integrated MOSFETs with automatic Multiphase Synchronous Rectification (MSR). This allows it to offer up to 1.5A of regulated reliable current. When operating, the USBN9604-28M/NOPB will first check for any input voltage abnormalities. If the input voltage is too low or too high, the chip will notify the user. If the input voltage is within the acceptable range, the MOSFET gate is enabled and current begins flowing through the primary inductor. The current flow is controlled by the power-management circuit,which is coupled with an auto-start feature which automatically adjusts the operating frequency. After the voltage and current is regulated, the output feedback circuit ensures that the output voltage is maintained at the desired setpoint. This is done by continuously monitoring the voltage, adjusting the cycle times of the PWM switch, and sending the output signal to the controller. During the off-time of each cycle, the MOSFET is turned off and the output voltage is pulled to ground by the diode. In conclusion, the USBN9604-28M/NOPB is a high-performance synchronous stepped-down DC-DC controller with programmable auto-start and adjustable frequency. With its robust protection features and excellent efficiency, it is ideally suited for a wide range of applications, including industrial automation, medical equipment, and high-volume data centers.

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