MAX636AESA+T

Voltage - Output (Min/Fixed):	-1.31V (-12V)
Base Part Number:	MAX636
Supplier Device Package:	8-SOIC
Package / Case:	8-SOIC (0.154", 3.90mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C (TA)
Synchronous Rectifier:	No
Frequency - Switching:	50kHz
Current - Output:	200mA
Voltage - Output (Max):	-12V
Series:	--
Voltage - Input (Max):	16.5V
Voltage - Input (Min):	2.3V
Number of Outputs:	1
Output Type:	Adjustable (Fixed)
Topology:	Buck
Output Configuration:	Negative
Function:	Step-Up, Step-Down
Part Status:	Active
Packaging:	Tape & Reel (TR)

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MAX636AESA+T Application Field and Working Principle

MAX636AESA+T is one of the DC/DC switching regulators developed by Maxim Integrated. It is a monolithic, adjustable voltage regulator with internal switches designed to provide up to 600mA of output current. The MAX636AESA+T is designed to regulate whether the input supply is greater or less than the output voltage. Its accurate and differential output voltage, ranging from 0.8V to 5V, can meet various engineering requirements. Its features include low voltage operation, low quiescent current, a shutdown mode, low cost and a small package. The MAX636AESA+T is easy to use, stable and versatile, making it ideal for a variety of applications including consumer electronics products, computers, peripherals and communication systems.The main idea behind DC/DC switching regulators is to take the input power and convert it into the desired voltage, current, frequency and phase. By rapidly switching on and off transistors, it generates a voltage output that is independent of the input voltage. The switch is controlled by an internal control circuit. This control circuit adjusts the switch-on time and the switch-off time to control the output voltage and current. This process is called Pulse Width Modulation (PWM). The MAX636AESA+T implements a PWM controller with a power switch circuit and an integrated voltage feedback voltage.The MAX636AESA+T is built on a microprocessor-like architecture. It contains a 8-bit RISC CPU and an internal memory for storing configurations, codes and other parameters. This microprocessor architecture allows it to control the output power and current in real time. It also includes a low cost and efficient pulse width control system that offers good line/load regulation and fast transient response. The MAX636AESA+T also features programmable voltage/current limit and fault protection, as well as a thermal warning output.The MAX636AESA+T is designed to meet the latest ESD, ripple, on-board heat and component emissions standards. Its external components consist of the input capacitor, output capacitor, output inductor, Schottky diode, freewheeling transistor and compensation capacitor. The external component parts must be selected to ensure compatibility with the MAX636AESA+T.In summary, the MAX636AESA+T is a versatile, low cost DC/DC switching regulator designed to deliver up to 600mA of output current. Its microprocessor architecture and integrated voltage feedback voltage ensure accurate and stable voltage regulation. Its low voltage operation and low quiescent current make it suitable for a wide range of applications. In addition, its programmable voltage/current limit and fault protection further extend its functionality. All these features make the MAX636AESA+T an excellent choice for any project.

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