S-8358F27MC-MKMT2G

Voltage - Supply (Vcc/Vdd):	0.9 V ~ 10 V
Supplier Device Package:	SOT-23-5
Package / Case:	SC-74A, SOT-753
Operating Temperature:	-40°C ~ 85°C (TA)
Control Features:	Enable
Serial Interfaces:	--
Clock Sync:	No
Synchronous Rectifier:	No
Duty Cycle (Max):	78%
Frequency - Switching:	300kHz
Series:	--
Output Phases:	1
Number of Outputs:	1
Topology:	Boost
Output Configuration:	Positive
Function:	Step-Up
Output Type:	Transistor Driver
Part Status:	Not For New Designs
Packaging:	Tape & Reel (TR)

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S-8358F27MC-MKMT2G Application Field and Working PrincipleS-8358F27MC-MKMT2G is a DC/DC controller from S-8358 series, manufactured by Seiko Instruments Inc. It is designed for a wide range of application fields and is used in various industries, from automotive and industrial to medical, aerospace, healthcare and consumer electronics. It is designed with a wide range of features that enable it to operate in a broad range of applications. It can provide output current up to 2.5A and adjustable current limit up to 3A. It offers current mode (CM) control, pulse width modulation (PWM) control, and synchronous rectification (SR). It also features an adjustable operating frequency up to 2.2 MHz and integrates the undervoltage lockout and current protection features. Its operational range of input voltage is 4.0 to 20V and output voltage range is 1.2 to 15V. The S-8358F27MC-MKMT2G is a PWM and current mode DC/DC buck converter with synchronous rectification.Features The S-8358F27MC-MKMT2G features a wide range of features that allow it to operate in a broad range of applications. It can provide an output current up to 2.5A, adjustable current limit up to 3A, and an adjustable operating frequency up to 2.2MHz. It also integrates the undervoltage lockout and current protection features. The operational range of input voltage is 4.0 to 20V and output voltage range is 1.2 to 15V. It also supports many kinds of applications such as low-output-pin convert-up, high-output-pin convert-down, over voltage protection, short circuit protection, and overheat protection.Working Principle The S-8358F27MC-MKMT2G works on a DC/DC buck converter with synchronous rectification. The buck converter reduces a DC voltage to a lower level by using PWM and current mode control technique. In this mechanism, the input voltage is first converted into a high frequency alternating signal. This alternating signal is filtered before it is fed to the primary side of the converter. On the secondary side, a synchronous rectification is used to convert it back to direct current (DC) by conducting current in one direction only with the help of a diode and switching FET.The key element of the S-8358F27MC-MKMT2G DC/DC controller is its control/energize circuits. These control/energize circuits sense the current and regulate the output voltage by using a closed-loop control that adjusts the switching or modulation frequency based on the input voltage left after rectification. This makes the S-8358F27MC-MKMT2G suitable for a variety of application areas. ConclusionThe S-8358F27MC-MKMT2G is a high performance DC/DC controller proven to deliver excellent results in a broad range of applications, from automotive and industrial to medical, aerospace, healthcare and consumer electronics. It can provide output current up to 2.5A, adjustable current limit up to 3A, and adjustable operating frequency up to 2.2 MHz. It also offers current mode (CM) control and pulse width modulation (PWM) control with synchronous rectification (SR) for improved efficiency. Its operational range of input voltage is 4.0 to 20V and output voltage range is 1.2 to 15V. Due to its wide range of features and versatile application ends, the S-8358F27MC-MKMT2G DC/DC controller is a valuable choice for many DC/DC related projects.

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