RT9055-SPWSC

Voltage Dropout (Max):	0.3V @ 300mA, 0.3V @ 300mA
Supplier Device Package:	6-WLCSP (1.2x0.80)
Package / Case:	6-UFBGA, WLCSP
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C
Protection Features:	Over Current, Over Temperature, Short Circuit
Control Features:	Enable
PSRR:	70dB ~ 38dB (100Hz ~ 300kHz)
Current - Quiescent (Iq):	58µA
Current - Output:	300mA, 300mA
Series:	--
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	3V, 3.3V
Voltage - Input (Max):	5.5V
Number of Regulators:	2
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction

RT9055-SPWSC is a Linear voltage regulator used in a wide range of applications. It uses an advanced Constant-Voltage and Constant-Current (CVCC) architecture to deliver exceptional line and load regulation, superior dynamic stability and improved transient response. The RT9055-SPWSC is designed to regulate up to 6A of output current and provide up to 40V of output voltage.

Applications

The RT9055-SPWSC can be used in a variety of applications such as benchtop power supplies, document scanners, DSL modems, GSM and CDMA base transceiver stations, laser printers, notebook PCs, and much more. The RT9055-SPWSC\'s combination of features makes it an ideal solution for a wide range of applications.

Features

The RT9055-SPWSC features an adjustable output voltage, a wide input voltage range, low dropout voltage and low output noise. It also includes over current, over voltage and thermal protection. The device is available in a variety of packages, such as SOT-23-5, SOT-23-3, SC88, TO-92, and TO-252. The device is RoHS compliant and rated for -40°C to +125°C temperature range.

Working Principle

The RT9055-SPWSC is a linear voltage regulator that uses an advanced Constant-Voltage and Constant-Current (CVCC) architecture to deliver superior line and load regulation, superior dynamic stability and improved transient response. The circuit design utilizes a precision voltage reference and a current mirror for the output voltage and current controls. The voltage reference provides an accurate output voltage reference that is adjustable over a wide range. The current mirror, or “current source”, controls the output current, which is also adjustable over a wide range. The current mirror also provides over current protection by limiting the output current to a predefined level. The RT9055-SPWSC also includes protection for over voltage and over temperature by incorporating a voltage monitoring circuit and a thermal shutoff circuit. The voltage monitoring circuit monitors the output voltage and automatically shuts off the device if it exceeds a predetermined value. The thermal shutoff circuit monitors the temperature of the device and shuts it off if it exceeds a predetermined value.

Conclusion

The RT9055-SPWSC is a linear voltage regulator that is designed to regulate up to 6A of output current and provide up to 40V of output voltage. It uses an advanced Constant-Voltage and Constant-Current (CVCC) architecture to deliver exceptional line and load regulation, superior dynamic stability and improved transient response. The device is available in a variety of packages and is RoHS compliant. The device also includes protection for over current, over voltage and over temperature. The RT9055-SPWSC is an ideal solution for a wide range of applications, including benchtop power supplies, document scanners, DSL modems, GSM and CDMA base transceiver stations, laser printers, and notebook PCs.

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