LM2733YMF/NOPB

Voltage - Output (Min/Fixed):	2.7V
Base Part Number:	LM2733
Supplier Device Package:	SOT-23-5
Package / Case:	SC-74A, SOT-753
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C (TJ)
Synchronous Rectifier:	No
Frequency - Switching:	600kHz
Current - Output:	1A (Switch)
Voltage - Output (Max):	40V (Switch)
Series:	--
Voltage - Input (Max):	14V
Voltage - Input (Min):	2.7V
Number of Outputs:	1
Output Type:	Adjustable
Topology:	Boost
Output Configuration:	Positive
Function:	Step-Up
Part Status:	Active
Packaging:	Tape & Reel (TR)

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LM2733YMF/NOPB – DC DC Switching Regulators

The LM2733YMF/NOPB is a DC DC switching regulator, designed to convert a wide input voltage range up to 48V to deliver a regulated output voltage of between 6V and 22V with a maximum of 15A current. The device belongs to the Power Management IC family, which provides an isolated and regulated output supply, as well as precise control of the output in response to changes in the output load current.The LM2733YMF/NOPB is designed to minimize the number of external components, reduce board area and allow for low cost designs. It has a low operating temperature range of −40°C to + 150°C, and is sold in 10-pin MSOP and 16-pin SOIC packages.The LM2733YMF/NOPB offers a wide array of features, making it suitable for a wide range of applications. It integrates a high-efficiency synchronous Rectified Buck Controller (BUCK), a high-speed oscillator, a voltage error amplifier, a gate driver, a gate output stage and a low-output ripple Voltage Error Amplifier (VEA). The LM2733YMF/NOPB is a high-efficiency DC DC switching regulator with a wide input voltage range of up to 48V, a wide output voltage range of 6.0 to 22V, and a maximum output current capability of 15A. Its wide range of features and flexibility makes it suitable for a wide range of applications, including (but not limited to) automotive, consumer, industrial and medical applications.

Applications

The LM2733YMF/NOPB is a high-efficiency DC DC switching regulator that is suitable for a wide range of applications, including (but not limited to):

• Automotive – used as power supplies for sensors, controls, instrumentation, infotainment systems and more.
• Consumer – used in consumer devices such as battery chargers, DVD players, game consoles, digital cameras, etc.
• Industrial – used in industrial equipment and controls including robotics, automation systems, factory automation, etc.
• Medical – used in medical equipment and controls, including infusion pumps, imaging systems, monitors, etc.

Working Principle

The LM2733YMF/NOPB is a high-efficiency DC DC switching regulator with a synchronous rectified Buck Controller (BUCK). It operates using pulse width modulation (PWM) or pulse frequency modulation (PFM). The controller is configured to provide either current- or voltage-mode operation.In voltage-mode operation, the controller uses the output voltage error amplifier, which compares the output voltage to a fixed reference voltage. The maximum power point is kept near the set point by adjusting the duty cycle of the PWM signal.In current mode, the controller uses the current sense amplifier that monitors the output current and increases the PWM signal duty cycle in order to maintain a constant output current.The LM2733YMF/NOPB is designed to minimize external component count and board area while maintaining high efficiency. It has an integrated oscillator, voltage error amplifier, gate driver, and output stage. The oscillator allows the device to operate at high switching frequencies with low ripple and minimal load disturbance. The integrated voltage error amplifier and output stage enable the device to respond quickly and accurately to changing output loads. The integrated gate driver allows for low switching losses and fast response time.

Conclusion

The LM2733YMF/NOPB is a DC-DC switching regulator that is suitable for a wide range of application, including automotive, consumer, industrial and medical. It integrates a high-efficiency synchronous Rectified Buck Controller (BUCK), a high-speed oscillator, a voltage error amplifier, a gate driver and a low-output ripple Voltage Error Amplifier (VEA). Its wide range of features and flexibility make the LM2733YMF/NOPB a great choice for a wide range of applications.

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