UC3525BNG4

Frequency - Switching:	100Hz ~ 400kHz
Base Part Number:	UC3525B
Supplier Device Package:	16-PDIP
Package / Case:	16-DIP (0.300", 7.62mm)
Operating Temperature:	0°C ~ 70°C (TA)
Control Features:	Dead Time Control, Frequency Control, Ramp, Soft Start
Serial Interfaces:	--
Clock Sync:	Yes
Synchronous Rectifier:	Yes
Duty Cycle (Max):	49%
Series:	--
Voltage - Supply (Vcc/Vdd):	8 V ~ 35 V
Output Phases:	1
Number of Outputs:	2
Topology:	Buck, Boost, Flyback, Forward Converter, Full-Bridge, Half-Bridge, Push-Pull
Output Configuration:	Positive
Function:	Step-Up, Step-Down, Step-Up/Step-Down
Output Type:	Transistor Driver
Part Status:	Active
Packaging:	Tube

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

UC3525BNG4 - PMIC - Voltage Regulators - DC DC Switching Controllers

The UC3525BNG4 is a Pulse Width Modulation (PWM) voltage regulator chip used in a variety of consumer and industrial applications. This device is a boost-buck hybrid DC to DC controller, and the four variants currently available include 5, 10, 15 and 18V versions. Developed by Texas Instruments (TI), the UC3525BNG4 is used in many types of digital power control and management systems.

Application Field

The UC3525BNG4 is primarily designed to be used in high power applications, including automotive, consumer and industrial electronic systems. It features a wide variety of safety features built-in, making it an ideal choice for high power applications.In automotive applications, the UC3525BNG4 can be used for power conditioning and management systems, alternator current sensors, and the automotive body computer systems. The chip can also be used in computing applications, such as notebook and desktop computers, home theatre and gaming systems, and audio equipment.The UC3525BNG4 can also be used in various industrial power supplies, as well as LED drivers, and in solar power systems. In addition, this chip can be used in industrial automation systems, including controllers, power converters, and motor drives.

Working Principle

The UC3525BNG4 is a boost-buck hybrid DC/DC controller, and it works by switching a connected load on and off at a high frequency, thus controlling the output voltage. The chip consists of two oscillators and a comparator, which are all used to control the switching of the load.The first oscillator is the oscillator clock, which is used to set the switching frequency of the chip. The frequency of this clock can be set between 500 Hz and 40 kHz, allowing the output voltage to be accurately controlled. The second oscillator is the voltage reference circuit (Vref), which is used to set the output voltage.The UC3525BNG4 also includes a comparator, which is used to compare the output voltage to the Vref. When the output voltage is lower than the Vref, the comparator will trigger the switching of the load to increase the output voltage. When the output voltage is higher than the Vref, the comparator will trigger the load to switch off to decrease the voltage.The UC3525BNG4 also features several other features, such as overcurrent protection, over and under voltage protection, and temperature protection. These features ensure that the chip and the connected load are protected from excessive current, as well as from temperatures which are too high or too low.

Conclusion

The UC3525BNG4 is a Pulse Width Modulation (PWM) voltage regulator chip developed by Texas Instruments (TI) which is used in a variety of applications, including automotive, consumer and industrial electronics. It is a boost-buck hybrid DC/DC controller which works by switching the connected load on and off at a high frequency, and is capable of controlling the output voltage with great precision. The chip also includes several safety features, such as overcurrent and over and under voltage protection, and temperature protection, ensuring that the system is safe to use.

The specific data is subject to PDF, and the above content is for reference

Part Number	Manufacturer	Price	Quantity	Description