LM2930SX-5.0/NOPB

Current - Output:	150mA
Base Part Number:	LM2930
Supplier Device Package:	DDPAK/TO-263-3
Package / Case:	TO-263-4, D²Pak (3 Leads + Tab), TO-263AA
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C
Protection Features:	Load Dump, Mirror-Image Insertion, Over Temperature, Reverse Polarity, Short Circuit
Control Features:	--
PSRR:	56dB (120Hz)
Current - Supply (Max):	40mA
Current - Quiescent (Iq):	7mA
Series:	--
Voltage Dropout (Max):	0.6V @ 150mA
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	5V
Voltage - Input (Max):	26V
Number of Regulators:	1
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Obsolete
Packaging:	Tape & Reel (TR)

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Introduction

The LM2930SX-5.0/NOPB is an integrated circuit or IC with a low-dropout voltage regulator (LDO) series, which provides up to 5.0V output with a 0.6V dropout voltage at up to 1.5A load current from a single external resistor in place. Operating over a wide range of input voltages from 3V to 15V, this regulator provides excellent line and load regulation. It employs a current-limited, short-circuit protection scheme, which prevents its output from damage even in the most extreme conditions. It is also equipped with a shut-down feature, which disables the output if the input voltage drops belowpredefined limits or when the current drawn reaches an over-load condi@on. As an efficient step-down switch-mode regulator, the LM2930SX-5.0/NOPB is a reliable and robust solution for obtaining 5000mV of power from a variety of sources.

Application Fields

The LM2930SX-5.0/NOPB is suitable for a wide range of applications including computer peripherals, cellular telephones, industrial systems, instruments, medical and medical devices, automotive electronics, etc. Due to its wide operating voltage range, ultra-low dropout voltage, and fast transient response, this regulator is ideal for producing 5000mV of power from a variety of input sources. It is also suitable for use in applications where space is limited, as it is available in a SOT-89 package. Moreover, its low noise profile makes it an ideal choice for powering sensitive circuitry and noise-sensitive circuits.

Working Principle

The LM2930SX-5.0/NOPB is a high-efficiency, low-dropout voltage regulator series. It has an internal power transistor which allows the device to operate with a dropout voltage of only 0.6V (typical) at currents up to 1.5A. The regulator consists of four main sections: a voltage reference, an error amplifier, a P-channel MOSFET, and a low-dropout (LDO) circuit. The voltage reference provides a reference voltage to the error amplifier, which forms the negative and positive inputs for the amplifier. If a voltage greater than the reference voltage is applied to the non-inverting input, the error amplifier increases its gain and drives the P-channel MOSFET gate. This causes the MOSFET to conduct and lowers the output voltage. When the output voltage deviation is less than expected, the error amplifier lowers its gain and reduces the gate-to-source voltage, thus cutting off the MOSFET and raising the output voltage. In addition, the LDO stage acts as a current-limiting circuit, which reduces the load current if it exceeds the design limit, preventing the system from damage due to excessive current draw.

Conclusion

The LM2930SX-5.0/NOPB is a high-efficiency, low-dropout voltage regulator series suitable for a wide range of applications. It operates over a wide input voltage range and provides excellent line and load regulation, making it a reliable and robust solution when obtaining 5000mV of power from a variety of sources. It also has built-in protection features and a SOT-89 package, making it ideal for applications where space is limited. The LM2930SX-5.0/NOPB is a great choice for producing reliable and efficient power in a variety of applications.

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