SP6669BEK-L/TRR3

Voltage - Input (Max):	5.5V
Supplier Device Package:	SOT-23-5
Package / Case:	SC-74A, SOT-753
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C (TA)
Synchronous Rectifier:	Yes
Frequency - Switching:	1.5MHz
Current - Output:	600mA
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	1.2V
Series:	--
Voltage - Input (Min):	2.5V
Number of Outputs:	1
Output Type:	Fixed
Topology:	Buck
Output Configuration:	Positive
Function:	Step-Down
Part Status:	Discontinued at Digi-Key
Packaging:	Tape & Reel (TR)

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Introduction

The SP6669BEK-L/TRR3 is a DC-DC switching regulator designed to provide a regulated output voltage and current source for mobile and embedded applications. It is a latest generation Voltage Regulator IC (VRIC) that integrates an on-board direct PWM (pulse-width modulation) control and high-efficiency synchronous conversion technology to achieve high power density and small footprint.

Feature

The SP6669BEK-L/TRR3 is a fully integrated single-stage converter with built-in short circuit protection, diagnostic feedback and over-voltage protection (OVP). Its key features include:- Voltage range: 2.5V to 18V - Maximum output power: 60W - Output current range: 0.1A to 4.0A - Output voltage range: 0.8V to 2.5V - Low Input Capacitance - Low Output Voltage Ripple - Synchronous Rectification - Thermal Protection

Application Field

The SP6669BEK-L/TRR3 is widely used in a variety of applications, including audio, telecommunications, computer monitors and laptop adapters, DC motor control, industrial automation, and automotive electronics.

Working Principle

The SP6669BEK-L/TRR3 works by using the principle of pulse-width modulation (PWM). The core of the VRIC is a controller that controls the pulse width of a PWM FET (field effect transistor) in order to regulate the output voltage. The controller drives the gate of the PWM FET off and on to switch between higher and lower voltage levels. When the voltage is high, current flows into the load and when the voltage is low, current flows out of the load. The output voltage is thus regulated. To ensure the accuracy of the output voltage, error amplifiers and comparators are used to compare the actual output voltage to the desired voltage and adjust the duty cycles of the PWM FET accordingly.

Conclusion

The SP6669BEK-L/TRR3 is a powerful and efficient DC-DC switching regulator that can be used in a wide variety of applications. It is capable of operating over a wide range of input and output voltages, and is also able to deliver high power and high efficiency. Its robust protection features also ensure that the device is well-protected from a variety of conditions, making it an ideal Voltage Regulator IC for a variety of applications.

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