SP6644EU-L/TR

Voltage - Input (Max):	3.3V
Supplier Device Package:	8-MSOP
Package / Case:	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C (TA)
Synchronous Rectifier:	Yes
Frequency - Switching:	--
Current - Output:	1A (Switch)
Voltage - Output (Max):	5.5V
Voltage - Output (Min/Fixed):	2V (3.3V)
Series:	--
Voltage - Input (Min):	0.9V
Number of Outputs:	1
Output Type:	Adjustable (Fixed)
Topology:	Boost
Output Configuration:	Positive
Function:	Step-Up
Part Status:	Obsolete
Packaging:	Tape & Reel (TR)

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IntroductionThe SP6644EU-L/TR is a DC/DC switching regulator module with a wide range of voltage and current application fields. This regulator is designed for a wide range of applications, from general-purpose microcomputer peripheral circuits to computer systems and automotive systems. The SP6644EU-L/TR is also suitable for low power consumption systems, such as laptop computers, mobile phones and PDA batteries.FeaturesThe SP6644EU-L/TR is a high efficiency switching regulator module with a wide range of voltage and current application fields. It offers up to 88.7% power conversion efficiency with a regulated output voltage up to 5A. The wide range of input voltage ensures the device can be used with a variety of power sources. It is compatible with low power source, such as batteries, and can be used in a variety of applications, such as amplifiers, computers, industrial equipment, and more.The device includes over-voltage protection, over-current protection, short-circuit protection, thermal protection and frequency jittering to ensure its safe operation. In addition, it also features soft-start circuit protection, which helps to reduce input inrush current during startup. The SP6644EU-L/TR can also operate in constant voltage or constant current mode.Working PrincipleThe SP6644EU-L/TR is an integrated module that operates using a voltage regulator, an inductor, a MOSFET, a diode and other components to convert an input voltage into a regulated output voltage. It works by switching an input voltage with a MOSFET driven by a square wave signal of a specific frequency generated by a voltage regulator.The square wave signal causes the MOSFET to rapidly switch on and off, sending current pulses through the inductor and inducing energy into it. On the output side, the energy stored in the inductor is released as a steady voltage and directed through the output diode. The energy is then smoothened as it passes through the output capacitor, resulting in a regulated output voltage. ConclusionThe SP6644EU-L/TR is a high efficiency DC/DC switching regulator module with a wide range of voltage and current application fields. Its features include over-voltage protection, over-current protection, short-circuit protection, thermal protection, frequency jittering and soft-start circuit protection. The device is also compatible with low power sources, such as batteries, and can be used in a variety of applications. Furthermore, the regulator’s working principle involves switching an input voltage with a MOSFET driven by a square wave signal of a specific frequency generated by a voltage regulator, resulting in a regulated output voltage.

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