CRD1616-9W-Z

Series:	--
Part Status:	Obsolete
Lead Free Status / RoHS Status:	--
Current - Output / Channel:	250mA
Moisture Sensitivity Level (MSL):	--
Outputs and Type:	1, Isolated
Voltage - Output:	28V
Features:	Dimmable
Voltage - Input:	207 ~ 253 VAC
Supplied Contents:	Board(s)
Utilized IC / Part:	CS1616

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Introduction

CRD1616-9W-Z is an evaluation board for LED drivers - specifically a DC-DC Step-Down converter based on dual pulse width modulation (PWM) controllers. It features an excellent high voltage efficiency that is nearly 97% and its wide input range of 3 - 16 V makes it suitable for most modern applications.

Application Fields

CRD1616-9W-Z is targeted to be used in applications such as automotive interior lighting, LEDs for display and backlighting applications, street lights, floodlights and other application where high voltage efficiency and switched mode power conversion is required.

Working Principle

CRD1616-9W-Z is based on dual pulse width modulation (PWM) controllers whose working principle involves using a switching elements such as IGBT or MOSFETs to switch on/off the input power at a given frequency and a returned signal is used to regulate the output voltage.When power is applied to the input DC voltage, the two dual pulse width modulation (PWM) controllers use a return signal to regulate the output voltage. The PWM controllers then modulate the switching elements to achieve greater precision in output voltage regulation.The return signal, which provides information such as load and input voltage, is used to drive the two PWM controllers which control the switching elements to control the output voltage and current.These signals are used to regulate the output voltage range and constant current output. The operating input voltage range of the dual PWM controllers is 3 - 16 V, so that the driver can be used in many applications. The driver also provides a wide input range and is able to handle up to 3A of current making it suitable for most high voltage applications.

Conclusion

The CRD1616-9W-Z evaluation board for LED drivers is an efficient DC-DC Step-Down converter that is based on dual pulse width modulation (PWM) controllers. It delivers an high efficiency of 97% and can handle up to 3A of current. With its wide input range of 3 - 16 V, the driver is suitable for most modern applications such as automotive interior lighting, LEDs for displays and backlighting, street lights and floodlights.

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