SPX1587T-L-5-0

Series:	--
Packaging:	Tube
Part Status:	Obsolete
Output Configuration:	Positive
Output Type:	Fixed
Number of Regulators:	1
Voltage - Input (Max):	10V
Voltage - Output (Min/Fixed):	5V
Voltage - Output (Max):	--
Voltage Dropout (Max):	1.2V @ 3A
Current - Output:	3A
Current - Quiescent (Iq):	10mA
PSRR:	75dB (120Hz)
Control Features:	--
Protection Features:	Over Current, Over Temperature
Operating Temperature:	-40°C ~ 125°C
Mounting Type:	Surface Mount
Package / Case:	TO-263-4, D²Pak (3 Leads + Tab), TO-263AA
Supplier Device Package:	TO-263-3

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Introduction

The SPX1587T-L-5-0 is a linear voltage regulator from Diodes Incorporated. It is a monolithic integrated circuit (IC) designed specifically to provide a regulated voltage output with low output currents. It is specifically designed to be used in applications where low power dissipation, low EMI, and excellent regulation are important design requirements.

Applications Field

The SPX1587T-L-5-0 is designed to provide an output voltage of 5V while maintaining very low output current. It is ideal for use in applications where the need for low power dissipation and excellent regulation is important. It is particularly well suited for use in portable devices and other applications where the need for a low profile and low power dissipation are required.Some examples of applications for which the SPX1587T-L-5-0 is suitable include mobile phones, GPS receivers, portable medical device, automotive electronics, industrial control systems, computer control systems, and other low power, low noise operations.

Working Principle

The SPX1587T-L-5-0 works by regulating the output voltage across its terminals according to a set of voltage bandgap references. This is done through a combination of a series reference and an amplifier circuit, which regulate the output voltage in two stages: The series reference is used to set the reference voltage, while the amplifier circuit is used to control the output behaviour. This two-stage regulation design provides high precision, low power dissipation, and excellent regulation performance. Additionally, the circuit is designed to minimize EMI by incorporating loop compensation and careful design of the reference, amplifier, and output sections. The voltage regulator is highly stable under both load and temperature variances, and has been designed to meet exacting specifications such as the RDS regulation error, 0.1V line regulation, and 0.2V load regulation. It also features an impedance-matched output and an enable/disable function for an extra level of control.

Conclusion

The SPX1587T-L-5-0 is a linear voltage regulator from Diodes Incorporated that is suitable for low power, low EMI, and excellent regulation applications. Its two-stage regulation design provides high precision, low power dissipation, and excellent performance. Its high stability, low line regulation, and low load regulation make it ideal for use in a wide range of applications, including portable devices, automotive electronics, and industrial control systems.

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