MSLB9061BC Development Boards, Kits, Programmers

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MSLB9061BC is an integrated and programmable, wide input voltage range, regulated constant current controller. It is a member of the family of low and medium power LED drivers from Monolithic Power Systems, inc. This device comes in a very small 9-pin TSOT-23 package, which makes it ideal for lighting applications that require a compact and cost-effective solution. MSLB9061BC is designed to work in systems where the power source can range between 3.5 and 24V. This makes the device suitable for high input voltage, low power applications and/or battery applications where power cycling is needed.

Application fields of MSLB9061BC include general lighting applications such as consumer and residential lighting, LED displays, LED lighting, LED signage, LED indicator lights, LED backlighting, LED exit signs, LED emergency lighting, LED decor lighting, and LED safety lights. This device can also be used in applications like street lighting, car headlight controllers, emergency lighting controllers, LED display controllers, and LED decorations.

The working principle of MSLB9061BC is a constant current control based on constant voltage regulation. The device is mainly composed of a rail-to-rail input, wide voltage range power transistor, voltage regulator, current sense comparator, and a programming resistor, among other internal components. It operates by regulating the output voltage of the power transistor, which in turn sets the output current. The feedback resistor sets the programmed current level. As the output current approaches the programmed level, the comparator senses the current drop and reduces the gate voltage of the power transistor, thus reducing the output current. As a result, the device maintains a regulated constant current at the output stage.

The input voltage of MSLB9061BC can range up to 24V, and the operating range covers 6mA with a maximum step of 65536. The device also features programmable over temperature protection which limits the output current in case of over temperature rise in the external environment. This makes it suitable for extreme temperature applications.

MSLB9061BC is used in the evaluation boards of low and medium power LED drivers, allowing the users to have an easy access to the light emitting diodes technology. This device is designed to provide an affordable, powerful and compact package solution for application developers to optimize the performance of their LED lighting application. As compared to other conventional LED drivers, MSLB9061BC reduces PCB space, costs and component count significantly. With a small 9-pin TSOT-23 package, the device is ideal for use in LED lightings with minimal power used.

Overall, MSLB9061BC is a versatile device used in the evaluation boards of LED drivers, making it ideal for applications such as LED lighting, LED backlighting, LED displays, LED decorations, LED signage and LED indicator lights. Its small package size and wide input voltage make it a suitable choice for reduced cost and PCB space, while its programmable current step and over temperature protection functions ensure a reliable and high-performance lighting solution.

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