LP2985A-25DBVTG4

Current - Output:	150mA
Base Part Number:	LP2985A-25
Supplier Device Package:	SOT-23-5
Package / Case:	SC-74A, SOT-753
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C
Protection Features:	Over Current, Over Temperature, Short Circuit
Control Features:	Enable
PSRR:	45dB (1kHz)
Current - Supply (Max):	2.5mA
Current - Quiescent (Iq):	95µA
Series:	--
Voltage Dropout (Max):	0.58V @ 150mA
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	2.5V
Voltage - Input (Max):	16V
Number of Regulators:	1
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Active
Packaging:	Tape & Reel (TR)

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LP2985A-25DBVTG4 Application Field and Working Principle

LP2985A-25DBVTG4, categorized as PMIC - Voltage Regulators - Linear, is a voltage regulator module (VRM) device. It meets the demands of today’s high density, short lead-time requirements as well as temperature and voltage specifications. It is designed to be highly reliable, low power, and highly integrated voltage regulator modules.The LP2985A-25DBVTG4 provides consistent, noise-free power with a wide input voltage range of 1.8V – 25V. It provides accurate voltage regulation to within a few millivolts and up to 25-W output power. Its capacity to maintain voltage and temperature set points consistently over a wide range of current loading makes it ideal for a wide range of applications.The main features of LP2985A-25DBVTG4 include:- Output power up to 25W- Pre-biased output voltage- Adjustable and fixed output voltages- Wide input voltage range from 1.8V-25V- High-speed fold-back current limiting- Thermal shut-down and restartThe LP2985A-25DBVTG4 is a feature-rich device that is particularly versatile and well suited for demanding applications. It is highly reliable with wide temperature sensing range, thermal shutdown protection, and a wide operating temperature range. It also provides flexibility in both output voltage and load current, allowing applications to be tailored to specific needs.In order to understand the LP2985A-25DBVTG4’s working principle, we should start by having a look at its architecture. The device has two internal components: a PWM regulator and a voltage reference. The voltage reference is used to regulate the output voltage. The PWM regulator is used to sense and control the output current.The PWM regulator provides constant load current control. It measures the output load current and adjusts the voltage to maintain the output voltage within a few millivolts. It also limits the current when it goes above the preset limit, providing overload protection.The voltage reference is used to monitor and maintain the output voltage. It is adjustable for any voltage within its range and its accuracy is maintained over time and at various temperature levels. The voltage reference also adjusts its setting based on the input voltage, allowing for a wide input voltage range.The LP2985A-25DBVTG4 can be used in a variety of applications. It is suitable for providing power to low voltage ASICs and DSPs, as well as other high current applications such as LCD displays, wireless devices, and hand-held devices. It is also suitable for regulating voltage in automotive and industrial environments.In summary, the LP2985A-25DBVTG4 is an ideal voltage regulator module for applications where low power, high current, adjustable output voltage and temperature stability are required. Its features make it highly reliable and widely applicable, while its affordability makes it an attractive choice for many power management applications.

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