BD30HA5WEFJ-E2

Current - Output:	500mA
Base Part Number:	BD30
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):	3V
Voltage - Input (Max):	8V
Number of Regulators:	1
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction to BD30HA5WEFJ-E2

BD30HA5WEFJ-E2, developed by ROHM Semiconductor, is a high-density, multi-channel DC/DC converter, which belongs to the family of PMIC - Voltage Regulators - Linear. It is designed for monitoring and controlling currents and voltages on portable and handheld devices.

Application field

The BD30HA5WEFJ-E2 is ideal for applications such as cellular phones, portable communication devices, portable measurements and audio systems. It also provides excellent performance in terms of accuracy, efficiency and power savings. In addition, it has a small package size, low input voltage, low current consumption and a wide operating temperature range.

Features and Benefits

The BD30HA5WEFJ-E2 has a broad range of features and benefits that make it perfect for portable electronics. This product is high temperature tolerant, has a 7V to 20V operating voltage range and a maximum output current of 5A. It offers excellent accuracy, fast response, low noise and ripple, a wide input voltage tolerance, low input current and a wide operating temperature range of -40°C to +85°C. It also has adjustable output voltage and current, and a low-power sleep mode.

Working Principle

The working principle of the BD30HA5WEFJ-E2 is based on the linear regulating method. This device operates on closed-loop control and uses a feedback voltage to regulate the output voltage. The device senses the feedback voltage by monitoring the output voltage and adjusts the current applied to the output to maintain constant output voltage.In order to control the output voltage, the BD30HA5WEFJ-E2 has a dedicated internal error amplifier to control the output. This error amplifier compares the feedback voltage to the reference voltage and tries to make them the same by adjusting the current driving the output. As the feedback voltage varies due to changes in the load, the error amplifier adjusts the drive current to maintain constant output voltage.

Conclusion

The BD30HA5WEFJ-E2 is a high-density, multi-channel DC/DC converter specifically designed for portable and handheld devices. It provides excellent accuracy, high efficiency, low power consumption and a small package size. Additionally, it offers adjustable output voltage and current, fast response time and a wide operating temperature range. The device uses a linear regulating method based on a closed-loop control system, which allows it to maintain constant output voltage by sensing the feedback voltage.

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