A6276SA

Voltage - Output:	4V
Base Part Number:	A6276
Supplier Device Package:	24-DIP
Package / Case:	24-DIP (0.300", 7.62mm)
Mounting Type:	Through Hole
Operating Temperature:	-20°C ~ 85°C (TA)
Applications:	--
Dimming:	--
Frequency:	20MHz
Current - Output / Channel:	75.5mA
Series:	--
Voltage - Supply (Max):	5.5V
Voltage - Supply (Min):	4.5V
Number of Outputs:	16
Internal Switch(s):	Yes
Topology:	Shift Register
Type:	Linear
Part Status:	Obsolete
Packaging:	Tube

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A6276SA is a step-up DC-DC driver for high-brightness LEDs. It is a category of PMIC - LED Drivers. It is a high-efficiency LED driver that features an optimized start-up for efficient LED simplification and improved LED system reliability.A6276SA consists of an oscillator, a control circuit, a voltage bootstrapping circuit, an over-voltage protection circuit, a current sense circuit, a thermal protection circuit, and a fault protection circuit. The oscillator generates a sinusoidal wave, with the frequency and amplitude modulated by the control circuit. The voltage bootstrapping circuit stores the energy generated by the inductor and helps to maintain the driving voltage of the LED. The over-voltage protection circuit is used to prevent an abrupt rise in the voltage of the inductor. The current sense circuit will monitor the current provided to the LED, and it also provides feedback to the control circuit for calculating the amount of energy supplied to the LED. The thermal protection circuit helps to maintain the temperature of the LED, while the fault protection circuit will protect the LED from any unexpected excessive current.A6276SA can be used to drive LEDs in a variety of applications, such as automotive lighting, architectural lighting, landscape lighting, and industrial lighting. It is also used in medical and consumer-electronics applications. The main advantage of using A6276SA to drive LEDs is its efficiency, which is much higher than traditional LED drivers. As compared to a linear LED driver, A6276SA can save up to 80% on energy. Moreover, its high efficiency also reduces heat dissipation and maximizes LED lifetime. The A6276SA also eliminates complex PCB layout and can be used in space-constrained applications. When used to drive LEDs, A6276SA offers great flexibility. It can be adjusted to drive various LED configurations. It also allows for adjustable output voltage, current, and dimming levels. The A6276SA also provides thermal protection, which prevents overheating and ensures improved LED system reliability. Overall, A6276SA is an ideal LED driver for lighting applications that require efficiency, flexibility, and reliability. It is a great choice for automotive, architectural, landscape, industrial, medical, and consumer-electronics lighting applications.

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