LP2950-02BZ

Current - Output:	100mA
Base Part Number:	LP2950-02
Supplier Device Package:	TO-92-3
Package / Case:	TO-226-3, TO-92-3 (TO-226AA)
Mounting Type:	Through Hole
Operating Temperature:	-40°C ~ 125°C
Protection Features:	--
Control Features:	--
PSRR:	--
Current - Supply (Max):	14mA
Current - Quiescent (Iq):	150µA
Series:	--
Voltage Dropout (Max):	0.6V @ 100mA
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Part Status:	Obsolete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:	Tube

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Introduction to LP2950-02BZ

The LP2950-02BZ is a low dropout, linear voltage regulator designed to provide fixed and adjustable output voltages ranging from 1.25 V to 15 V. It is capable of supplying up to 500 mA of output current, allowing it to deliver power to a wide variety of low-power applications, from RF transmission and cellular phones to LED driver circuits and portable electronics. The LP2950-02BZ is well suited for applications where power efficiency, load regulation, and output stability are vital. It also features a low-noise operation, making it suitable for use in noise-sensitive applications.

Applications of LP2950-02BZ

LP2950-02BZ is designed for applications that require low-voltage, low-power, low-noise operation. It is well suited for powering low-voltage processor cores in telecom, industrial and embedded systems, as well as powering analog-to-digital converters, ethernet transceivers, post-regulator stages and test equipment. The device can also find use in cellular phones, digital still cameras, personal digital assistants, PDAs and handheld devices, portable navigation systems, solid state lighting, general-purpose replacement of other LDO regulator ICs, and gaming hardware.

Working Principle of LP2950-02BZ

The LP2950-02BZ is a linear regulator, meaning that it adjusts its input voltage to a fixed output voltage by a linear process, driven by the difference between the input and output voltages. The LP2950-02BZ utilizes an internal voltage reference, which enables it to maintain precise output voltage regulation. The device includes an error amplifier to continuously compare the actual output voltage to the reference voltage. If the output voltage is too high, the comparator will reduce the input voltage by shunting off the excess current. Similarly, if the output voltage is too low, the comparator will increase the input voltage to bring the output back in line with the reference voltage. The cycle continues to ensure that the output voltage stays within a precise range.

Features of LP2950-02BZ

The LP2950-02BZ features a wide adjustment range of 1.25V to 15V. It also provides excellent line and load regulation, allowing it to maintain precise, stable voltage even when operated from a noisy, fluctuating input voltage. Additionally, the device includes a current-limiting circuit to protect against overload conditions, and thermal protection circuitry to shut off the device if it overheats. It is capable of supplying up to 500 mA of output current, making it suitable for use in a variety of low-power applications. Its low-noise operation means that it is well-suited for noise-sensitive applications.

Conclusion

The LP2950-02BZ is an ideal choice for applications that require precision, low-noise and low-power operation. It is capable of supplying up to 500 mA of output current, and its adjustment range of 1.25V to 15V makes it suitable for a variety of low-voltage applications, from RF transmission and cellular phones to LED driver circuits and portable electronics. The LP2950-02BZ is a linear voltage regulator, and its internal voltage reference and error amplifier ensure precise output voltage regulation. The device includes a current-limiting circuit to protect against overload conditions, and thermal protection circuitry to shut off the device if it overheats.

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