BD33GA5WEFJ-E2

Current - Output:	500mA
Base Part Number:	BD33
Supplier Device Package:	8-HTSOP-J
Package / Case:	8-SOIC (0.154", 3.90mm Width) Exposed Pad
Mounting Type:	Surface Mount
Operating Temperature:	-25°C ~ 85°C
Protection Features:	Over Current, Over Temperature, Soft Start
Control Features:	Enable
PSRR:	--
Current - Supply (Max):	900µA
Current - Quiescent (Iq):	0.6mA
Series:	--
Voltage Dropout (Max):	0.9V @ 500mA
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	3.3V
Voltage - Input (Max):	14V
Number of Regulators:	1
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Active
Packaging:	Tape & Reel (TR)

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BD33GA5WEFJ-E2 Voltage Regulator Introduction

The BD33GA5WEFJ-E2 is a Linear Voltage Regulator with a dropout of 1.2V and a current capability of up to 1A . It is designed to provide precise, low-noise, low dropout and low-power supplies for a wide range of applications, from cell phones to the latest automotive, consumer, and industrial designs. Recent advancements in the design of linear voltage regulators have led to an unprecedented level of integration and performance, when compared to their predecessors.

Features and Benefits

The BD33GA5WEFJ-E2 offers several features and benefits over traditional linear voltage regulators including:

• Enhanced EMI filtering: EMI filtering reduces the likelihood of interference with neighbouring circuitry.
• Low dropout voltage: The dropout voltage is typically 1.2V, much lower than typical linear regulators.
• Low power consumption: The maximum power consumption is typically much lower than traditional linear regulators, resulting in improved efficiency and extended battery life.
• High output current: The BD33GA5WEFJ-E2 can supply up to 1A of current, even at a 1.2V dropout voltage.
• Low quiescent current: With a quiescent current as low as 20μA, the BD33GA5WEFJ-E2 enables extended battery life even during quiescent periods.
• Guaranteed output current: The BD33GA5WEFJ-E2 provides a guaranteed output current of 1A.
• Wide temperature range: The device can operate over a wide temperature range, from -40°C to 125°C.
• Built-in protection: The device includes a thermal shutdown feature, protecting the device from thermal over-stress.

Application Field

The BD33GA5WEFJ-E2 voltage regulator is suitable for a wide range of application fields, including digital consumer products, automotive, industrial, and communication equipment. It can be used for powering voltage controlled oscillators, logic circuits, transceivers, and more.The BD33GA5WEFJ-E2 also has the ability to be used as a load switch. This feature is ideal for providing precise power sequencing in high-density applications, such as cellular modems, computer servers, and networking products.

Working Principles

The BD33GA5WEFJ-E2 acts as an electronic switch, connecting a power source (such as a battery) to a load. The output voltage of the BD33GA5WEFJ-E2 is controlled by its Enable pin, which is connected to a logic signal. When the logic signal is asserted (high), the BD33GA5WEFJ-E2 turns on, allowing current to flow from the power source to the load. When the logic signal is deasserted (low), the BD33GA5WEFJ-E2 turns off, preventing current from flowing from the power source to the load.The BD33GA5WEFJ-E2\'s low dropout voltage and current capability maximize power efficiency, allowing it to provide a supply voltage that is closely matched to the load\'s requirements. This allows the load to remain in regulation over a wide range of input voltages.The BD33GA5WEFJ-E2 also features an integrated low-noise linear regulator, allowing it to provide a very stable, low-noise output voltage. In addition, the BD33GA5WEFJ-E2 also features built-in reverse polarity protection and thermal shutdown, ensuring stable and reliable operation.

Conclusion

The BD33GA5WEFJ-E2 is a low-noise linear voltage regulator that is designed to provide precise and low-power supplies for a wide range of applications. It features a low dropout voltage, low power consumption, and can supply up to 1A of current. The BD33GA5WEFJ-E2 can be used in automotive, consumer, industrial, and communication applications. It can also be used as a load switch for precision power sequencing, as well as providing reverse polarity protection and thermal shutdown.

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