IR21593SPBF

Series:	--
Packaging:	Tube
Part Status:	Obsolete
Type:	Ballast Controller
Frequency:	30kHz ~ 230kHz
Voltage - Supply:	12 V ~ 16.5 V
Current - Supply:	10mA
Current - Output Source/Sink:	--
Dimming:	Yes
Operating Temperature:	-40°C ~ 125°C
Mounting Type:	Surface Mount
Package / Case:	16-SOIC (0.154", 3.90mm Width)
Supplier Device Package:	16-SOIC
Base Part Number:	IR21593SPBF

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IR21593SPBF Application Field and Working PrincipleThe IR21593SPBF is a primary side switching Flash LED power supply controller integrated with premium features to enable cost-efficient designs in end-use applications such as indoor and outdoor lighting, TV backlighting, digital signage, and lighting ballast controllers. It is an ideal controller for SMPS (Switched-Mode Power Supply) applications such as LED lights and ballast control systems.This device makes use of digital PWM control with an integrated sample and hold function, allowing for quick dimming response with a low distortion profile. The efficiency of the supply is increased due to the synchronized secondary rectifier, which optimizes interleaving performance and reduces conduction losses.The IR21593SPBF is based on a single-stage forward operated topology, which reduces the number of external components and lowers total cost of ownership. The device also provides high power factor operation (>0.95 Under Nominal Conditions) along with high-reliability current protection and protection against thermal overloads. Additionally, the device offers a complete set of integrated robust protections for short circuits and open loop failures.The IR21593SPBF comes with adjustable soft start, making the device suitable for two-stage dimming applications, such as those in lighting ballast controllers. This ensures that it will offer complete control over the lighting system and is capable of responding to rapid dimming commands without overshoot or undershoot.The device utilizes an integrated MOSFET driver that is capable of handling up to 200W and provides a minimum peak current capability of 25A. This ensures that the MOSFET is always correctly driven, regardless of temperature, operating conditions, and load requirements.In summary, the IR21593SPBF is a reliable and efficient single-stage forward controller with a wide range of features, allowing it to be used in a variety of end-use applications such as LED lighting and ballast controllers. The device offers an integrated MOSFET driver, adjustable soft start, and plenty of protection features to ensure that it operates even in the toughest of environments.

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