LP2988AIM-2.5/NOPB

Current - Output:	200mA
Base Part Number:	LP2988
Supplier Device Package:	8-SOIC
Package / Case:	8-SOIC (0.154", 3.90mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C
Protection Features:	Over Current, Over Temperature, Short Circuit
Control Features:	Enable
PSRR:	65dB (1kHz)
Current - Supply (Max):	3.7mA
Current - Quiescent (Iq):	120µA
Series:	--
Voltage Dropout (Max):	0.35V @ 200mA
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Part Status:	Obsolete
Packaging:	Tube

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LP2988AIM-2.5/NOPB Application Field and Working Principle

The LP2988AIM-2.5/NOPB is a Low Dropout (LDO) linear voltage regulator from the Texas Instruments (TI) family of linear voltage regulators. It is a low quiescent current, PWM-controlled, ultra low dropout linear regulator which offers excellent performance for a wide range of applications. This regulated voltage can be easily adjusted from 0.5 V to 5 V, and it offers very low dropout at 0.5 volts and low noise performance. This device is suitable for applications such as cellular base station power supplies, industrial control power supplies, multi-gigabit networking systems and other high power applications. It is rated at a maximum output current of 1.5A and a maximum input voltage of 25V.The LP2988AIM-2.5/NOPB implements an on-chip PWM control circuit that adjusts the output voltage based on the external feedback network and internal logic. The external network includes a resistor divider, a bypass capacitor, and an optional external control pin. The voltage applied across the resistor divider is sensed by the regulator and compared to an internal voltage reference. When the sensed voltage is higher than the reference, the regulator\'s output is increased by lowering the internal switch resistance. Conversely, if the voltage drops below the reference, the output is decreased by increasing the switch resistance.The wide Vin and Vout range of the LP2988AIM-2.5/NOPB make it ideal for power supply designs that require high input voltage ranges. Additionally, the device offers a range of features that allow designers to optimize their designs while meeting their power management requirements. For example, its fast transient response allows it to regulate output against large and rapid load transients. It also offers short circuit protection and thermal shutdown protection, making it suitable for applications with high (inrush) surge current demands. Its low operating current of 60 µA (typ) and low quiescent current of 1.4 mA make it suitable for battery operated systems.In conclusion, the LP2988AIM-2.5/NOPB is a versatile, low dropout linear regulator from the TI family of linear voltage regulators. It offers a range of features and options that make it a great choice for a wide range of applications. Its wide input voltage and output voltage ranges, fast transient response, short circuit protection, thermal protection, and low operating and quiescent currents make it an ideal solution for many power management requirements.

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