REC5-4809SRWZ/H/B/SMD

Current - Output (Max):	556mA
Size / Dimension:	1.26" L x 0.78" W x 0.44" H (32.0mm x 19.9mm x 11.2mm)
Package / Case:	24-SMD Module, 18 Leads
Mounting Type:	Surface Mount
Efficiency:	83%
Operating Temperature:	-40°C ~ 75°C
Features:	SCP
Applications:	ITE (Commercial)
Voltage - Isolation:	1.6kV
Power (Watts):	5W
Series:	ECONOLINE REC5
Voltage - Output 3:	--
Voltage - Output 2:	--
Voltage - Output 1:	9V
Voltage - Input (Max):	72V
Voltage - Input (Min):	18V
Number of Outputs:	1
Type:	Isolated Module
Part Status:	Active
Packaging:	Tube

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DC DC Converters REC5-4809SRWZ/H/B/SMD is a semiconductor DC/DC converter. It is a step-down switching regulator designed to convert an unregulated input voltage into a regulated output voltage. The output voltage is determined by an external resistor divider from the internal reference voltage.The DC/DC converter is typically used in automotive electronics, industrial, and communication designs. The constant current and input/output voltage limit ensures safe operation in unstable power conditions, which is ideal for electronic devices such as microprocessors, LEDs, battery charger, cameras, cell phones, and other portable devices.Rec5-4809SRWZ/H/B/SMD features a wide 4:1 input voltage range with an output voltage range from 0.8V to 16V. It offers a high efficiency of up to 95% with a typical solution size of 4.5mm x 4.5mm. The high efficiency makes it well suited for applications where power is harvested from energy harvesting like solar and thermal, or portable devices that need to draw minimal current when powering a light load.The REC5-4809SRWZ/H/B/SMD converts an unregulated input voltage into a regulated output voltage through the use of its integrated controller and two-phase synchronous rectifier. The integrated controller produces a current-mode switched pulse width modulation (PWM) signal to switch the power conversion stages at a constant frequency.The output voltage is set by an external resistor divider network connected to the enable pin. A capacitive divider connected to the feedback pin increases stability and line transient protection. A low dropout (LDO) voltage regulator is integrated to generate a stable reference voltage for the controller.The synchronous rectifier takes into account the input voltage to avoid transients that can occur from an input voltage ratio change. Other features include soft-start, overload protection, over-temperature protection, and output current limitation.To increase temperature management, the REC5-4809SRWZ/H/B/SMD has an external shutdown threshold signal. This allows for the controller to turn off when the junction reaches a certain temperature, making operation more reliable and safe.Overall, the REC5-4809SRWZ/H/B/SMD is an ideal solution for a wide range of power conditioning and power harvesting applications. It has a high efficiency of up to 95%, a wide input voltage range, and it provides high integration with reliable protection mechanisms.

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