MAX876BESA+

Noise - 0.1Hz to 10Hz:	18µVp-p
Base Part Number:	MAX876
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)
Current - Supply:	700µA
Voltage - Input:	12 V ~ 18 V
Noise - 10Hz to 10kHz:	29µVrms
Series:	--
Temperature Coefficient:	20ppm/°C
Tolerance:	±0.05%
Current - Output:	10mA
Voltage - Output (Min/Fixed):	10V
Output Type:	Fixed
Reference Type:	Series
Part Status:	Active
Packaging:	Tube

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PMIC - Voltage Reference

The MAX876BESA+ is an ultra-small, low-dropout (LDO) regulator and LDO supervisor that embeds an advanced error amplifier in a small 4 mm x 4 mm laser-trimmed Thin Quad Flat No Lead (TQFN) package.The MAX876BESA+ meets the low-dropout voltage and the fast transient performance required of power supplies in today\'s applications. It offers a wide input voltage range (2.2 V to 5.5V), which makes it suitable for a variety of power management configurations. The MAX876BESA+\'s output voltage can be adjusted from 1.238V to 26V, depending on the configuration.The MAX876BESA+ features an internal 1A low-resistance P-channel MOSFET to enable low quiescent current, output noise, and fast transient response. The device also features protection features such as thermal shutdown, over-current protection, and foldback current limiting. The device also features a push-pull or open-drain output power good signal, a power-OK delay circuit, and an on-board voltage reference. The voltage reference can be preset to 1.23V or 2.5V.The MAX876BEA+ is ideal for providing regulated outputs in a variety of electronic system applications, such as medical, consumer, communications, networking, and computing products, as well as automotive, military, and aerospace systems.

Application Field

The MAX876BESA+ can be used in many different applications, and some of the more common application areas that can benefit from the device are:

• Electric Vehicle Charging Systems
• Automotive Applications
• Solar Panel Battery Charging
• Cellular Base Stations
• Industrial Robots
• Industrial Motors
• Medical Equipment
• Low Voltage Power Supplies
• Consumer Electronics

Working Principle

The MAX876BESA+ works on the principle of a low-dropout (LDO) regulator. The LDO regulator is a type of power supply circuit, which enables current to flow in a well-regulated and insulated environment. The LDO regulator also provides low noise operation, fast load transient response and low power consumption, making it suitable for powering modern electronics.The LDO regulator circuit works on the principle of a voltage reference, a power transistor, and an input voltage. The voltage reference sets an output voltage reference at the output side, while the power transistor, driven by the difference between the reference voltage and the input voltage, makes sure that the output voltage is same as the reference voltage.The voltage reference in the MAX876BESA+ is low-noise and rail-to-rail programmable from 1.23V to 26V. The MAX876BESA+ also features a push-pull or open-drain output power good signal, a power-OK delay circuit, and an on-board voltage reference.The power transistor used in the MAX876BESA+ is a 1A low resistance P-channel MOSFET, which helps in providing low quiescent current, output noise, and fast transient response. The device also features protection features such as thermal shutdown, over-current protection, and foldback current limiting. The MAX876BESA+ is ideal for providing regulated outputs in a variety of electronic system applications.

Conclusion

The MAX876BESA+ is an excellent device for providing regulated voltages in a variety of electronic system applications. Its wide range of features and advantages, including a low-dropout voltage regulator, fast transient response, low noise operation, and low power consumption, make it ideal for powering a wide range of electronic devices in many different applications. Additionally, the device also includes protection features such as thermal shutdown, over-current protection, and foldback current limiting, making it a safe and cost-effective solution.

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