LP2957ISX

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Obsolete
Output Configuration:	Positive
Output Type:	Fixed
Number of Regulators:	1
Voltage - Input (Max):	30V
Voltage - Output (Min/Fixed):	5V
Voltage - Output (Max):	--
Voltage Dropout (Max):	0.8V @ 250mA
Current - Output:	250mA
Current - Quiescent (Iq):	200µA
Current - Supply (Max):	33mA
PSRR:	--
Control Features:	Enable
Protection Features:	Over Current, Over Temperature, Reverse Polarity
Operating Temperature:	-40°C ~ 125°C
Mounting Type:	Surface Mount
Package / Case:	TO-263-6, D²Pak (5 Leads + Tab), TO-263BA
Supplier Device Package:	DDPAK/TO-263-5
Base Part Number:	LP2957

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LP2957ISX Application Field and Working Principle

The LP2957ISX is a Linear Regulator from the PMIC voltage regulators family. It is well-known for its excellent energy efficiency, reliability and accuracy. The device features low power consumption and is able to handle high input voltages of up to 10 V. With a max output current of 500 mA, it is suitable for many types of applications, especially those demanding high precision and low noise characteristics. The LP2957ISX is an ideal choice for a wide range of products, including instruments, telecommunications, computer peripherals and a variety of equipment in industries such as medical, military and industrial automations. The main working principle behind this device is the use of a feedback loop. The feedback loop consists of an input voltage, an error amplifier, a reference threshold and an output stage. The input voltage applied to the device is compared to the reference voltage by the error amplifier. Any deviations from the reference voltage are detected, and the output stage is adjusted accordingly to maintain the voltage within the threshold limit. The output is regulated using a voltage regulator circuit, which is able to protect the load from high voltage spikes or sudden increases in current. An adjustable output voltage on the LP2957ISX allows for precise control, helping to minimise power dissipation and noise generation. Its precise output voltage adjustment range enables precise control, protecting components from over-voltage or under-voltage conditions. The LP2957ISX is also able to offer good protection against over-temperature and over-current conditions. It is equipped with thermal shutdown protection and output current limiting protection, ensuring reliable operation of your circuits. Plus, the LP2957ISX also offers short circuit protection at all voltage levels, protecting against high current spikes. In summary, the LP2957ISX offers excellent performance and precise control, making it an ideal choice for a wide range of applications. With its excellent energy efficiency, low noise characteristics and wide input voltage range, the LP2957ISX is a great choice for reliable, precise and efficient regulation of output voltages in your electronic products and equipment.

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