MAX1954CEUB+

Frequency - Switching:	300kHz
Base Part Number:	MAX1954
Supplier Device Package:	10-uMAX
Package / Case:	10-TFSOP, 10-MSOP (0.118", 3.00mm Width)
Operating Temperature:	-40°C ~ 85°C (TA)
Control Features:	Current Limit
Serial Interfaces:	--
Clock Sync:	No
Synchronous Rectifier:	Yes
Duty Cycle (Max):	89%
Series:	--
Voltage - Supply (Vcc/Vdd):	3 V ~ 5.5 V
Output Phases:	1
Number of Outputs:	1
Topology:	Buck
Output Configuration:	Positive
Function:	Step-Down
Output Type:	Transistor Driver
Part Status:	Obsolete
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

MAX1954CEUB+ Introduction

The MAX1954CEUB+ is one of the most reliable DC-DC switching controllers available to meet your power management needs. This state-of-the-art controller, manufactured by Maxim Integrated, is an all-in-one, multi-topology, all-purpose controller designed to operate, monitor and control a wide range of DC-DC applications.The MAX1954CEUB+ is designed to meet all the demanding requirements of applications in the industrial, automotive, defense and communications industries. This controller is designed to provide superior system power performance and reliability, while saving time with an integrated feature set.

MAX1954CEUB+ Application Field

The MAX1954CEUB+ is suitable for switching converters running from 5 V to 28 V and a wide range of output voltages. It is also suitable for any type of buck, boost, buck-boost, SEPIC and flyback topologies. With its wide range of features and excellent current capability, the controller is perfect for a number of applications such as DC-DC converters, motor control, battery chargers and embedded power systems.The controller can be used to design and implement high-efficiency power converters with a variety of features such as selectable operating frequencies, adjustable voltage limits, programmable current limits and adjustable soft-start functions. It also offers zero-current sensing and no current-limit recovery issues. This controller is designed with a wide array of protection features like over-temperature detection, short circuit protection, over/under voltage lockout and fault status reporting.

MAX1954CEUB+ Working Principle

The MAX1954CEUB+ functions as a switch mode DC-DC controller by utilizing a fixed-off time (FOT) control architecture. The MAX1954CEUB+ is designed to switch its output quickly between two different states; on and off. When it is on, the device allows current to flow through the load and when it is off, current is diverted away from the load. The device is also capable of producing a moderate current waveform by using an inductor.The MAX1954CEUB+ uses an oscillator circuit to generate an internally generated pulse width modulation (PWM) signal. This signal is used by the device to control the switching of the main output transistor ON and OFF. When the voltage reaches the predetermined level, the device then turns ON, allowing the current to flow through the load. The device also features a clock divider circuit, which is responsible for adjusting the number of switching cycles to adjust the voltage output or input. This feature can be used to optimize system performance or help increase efficiency.The MAX1954CEUB+ also has an adjustable soft-start feature, which can be set to eliminate inrush current during startup and minimize output voltage overshoot. This device also has temperature sensing and current sensing capabilities, which can be used to proactively respond and protect to system conditions.The MAX1954CEUB+ is an invaluable tool in a power system designer\'s toolkit. Its ability to provide excellent system performance, wide range of features and reliable protection makes it an ideal choice for any power system design.

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

Part Number	Manufacturer	Price	Quantity	Description