LP2957ISX

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Part Status:	Obsolete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

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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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