LM2830ZMFX/NOPB

Voltage - Output (Min/Fixed):	0.6V
Base Part Number:	LM2830
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:	3MHz
Current - Output:	1A
Voltage - Output (Max):	4.5V
Series:	--
Voltage - Input (Max):	5.5V
Voltage - Input (Min):	3V
Number of Outputs:	1
Output Type:	Adjustable
Topology:	Buck
Output Configuration:	Positive
Function:	Step-Down
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction

The LM2830ZMFX/NOPB is an advanced synchronous DC-DC point-of-load voltage regulator. This device is designed to ensure reliable operation for loads up to 30A. The device supports a wide range of output voltages including positive, adjustable, and negative. The LM2830ZMFX/NOPB simplifies the design by providing confidence that the system can be powered up reliably and quickly, without the risk of catastrophic failure due to over current during start up or external voltage transients.

Application Field

The LM2830ZMFX/NOPB is an ideal solution for a wide variety of applications including computing, industrial, communications, automotive, defense and printing. It is especially useful for applications requiring low voltage and high current outputs such as server CPUs, FPGAs, multicore microprocessors, power amplifiers, high-speed signal processing and automotive data-logging systems.The LM2830ZMFX/NOPB can be used to power systems from 6V to 12V DC inputs with output voltages ranging from 0.8V to 5.0V. This regulator is capable of delivering up to 30A of load current, is AEC-Q100 Grade 1 qualified and has integrated protection features, including over-voltage, under-voltage, short-circuit and over-temperature protection.

Working Principle

The LM2830ZMFX/NOPB is a monolithic synchronous buck regulator that incorporates an internal high-side and low-side power switch. It operates in a fixed frequency, current mode control providing fast transient response and excellent current accuracy.The device utilizes an external voltage reference to set the output voltage. The voltage reference can be connected directly to the output or can be buffered with an external buffer amplifier to eliminate the effect of load capacitance on the output voltage. External frequency synchronization is also supported. The device includes logic-level control of the Enable pin and a Power Good signal with a delay time of gate thresholds.It has programmable UVLO (Under Voltage Lockout), overtemperature and over current limits.

Conclusion

The LM2830ZMFX/NOPB is a versatile, high-performance DC-DC buck regulator. It is capable of providing reliable and stable power for up to 30A loads from 6V to 12V input. It has comprehensive protection features such as over-voltage, under-voltage, short-circuit and over-temperature protection. Furthermore, it can be used for applications requiring low voltage and high current output such as server CPUs, FPGAs, multicore microprocessors, power amplifiers, high-speed signal processing and automotive data-logging systems.

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