LM2990T-15

Current - Output:	1.8A
Base Part Number:	LM2990
Supplier Device Package:	TO-220-3
Package / Case:	TO-220-3
Mounting Type:	Through Hole
Operating Temperature:	-40°C ~ 125°C
Protection Features:	Over Temperature, Short Circuit
Control Features:	--
PSRR:	52dB (1kHz)
Current - Supply (Max):	5mA
Current - Quiescent (Iq):	1mA
Series:	--
Voltage Dropout (Max):	1V @ 1A
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	-15V
Voltage - Input (Max):	-26V
Number of Regulators:	1
Output Type:	Fixed
Output Configuration:	Negative
Part Status:	Not For New Designs
Packaging:	Tube

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

LM2990T-15 Application Field and Working PrincipleThe LM2990T-15 is a power management integrated circuit (PMIC) popularly used for voltage regulation. It belongs to the category of linear voltage regulators (LDOs), meaning that it reduces the input voltage from a larger to a smaller value. This type of PMIC is mainly used in low power and portable electronics such as cell phones and tablet PCs.The LM2990T-15 helps solve the problem of power consumption with devices like cell phones and tablets. It is designed to provide regulated power output with high efficiency, low heat dissipation and low-noise operation. The device includes a voltage monitor output (Vmon) that can act as an alarm or a trigger to allow other components to perform certain functions when the input voltage falls below a specified threshold.The LM2990T-15 is a three-terminal voltage regulator designed to provide a regulated output voltage of 5V at a maximum output current of 1.5A with a maximum power output of 7.5W. It is configured with a baseplate made of silicon dioxide substrate, which helps dissipate heat and dissipate any noise produced by the device. The device requires an output capacitor in order to help reduce impedance during the output voltage transition.The LM2990T-15 performs its job thanks to two main functions; the first is to reduce the input voltage to a desired output by using a voltage reference and the second is to regulate the output voltage by using the feedback and voltage reference. The voltage reference is a signal with a fixed and known amplitude, this signal signals the device to adjust the output voltage to a desired level and keep it in that same level. The feedback signal monitors the output voltage and if the voltage differs from the reference signal, the device adjusts its output voltage to compensate.In summary, the LM2990T-15 is a three-terminal linear voltage regulator that provides a regulated 5V output with a maximum of 1.5A current and 7.5W power. It belongs to the PMIC- Voltage Regulators - Linear category and it is notably used in low power portable electronics due to its efficiency, heat dissipation and low-noise operation. The device requires the addition of an output capacitor to help in reducing output voltage impedance and uses voltage reference and feedback to control the output voltage.

The specific data is subject to PDF, and the above content is for reference

Part Number	Manufacturer	Price	Quantity	Description