PDA025H-1A0A

Voltage - Isolation:	3kV
Weight:	0.375 lb (170.1g)
Approvals:	cURus
Mounting Type:	Chassis Mount
Size / Dimension:	3.15" L x 2.44" W x 1.00" H (80.0mm x 62.0mm x 25.4mm)
Termination Style:	Wire Leads
Efficiency:	82%
Operating Temperature:	-20°C ~ 90°C
Ratings:	IP66
Features:	OTP, OVP, SCP
Dimming:	Triac
Series:	PDA
Power (Watts):	25W
Current - Output (Max):	1.05A
Voltage - Output:	16 ~ 24 V
Voltage - Input (Max):	132VAC
Voltage - Input (Min):	108VAC
Number of Outputs:	1
Topology:	AC DC Converter
Type:	Constant Current
Part Status:	Active

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LED Drivers – PDA025H-1A0A Application Field and Working Principle

LED drivers are electronic devices that provide power to LEDs for lighting applications. LED drivers are necessary because LEDs require a specific input voltage to operate, and driving them directly with line voltage can cause them to overheat and eventually burn out. LED drivers step down and control the voltage and current to LED loads by converting AC line voltage to a DC voltage. PDA025H-1A0A is a form of LED drivers that belongs to the 25W AC-DC LED power driver series.

PDA025H-1A0A Application Field

The PDA025H-1A0A LED driver can be used in a variety of applications, such as LED lamps, LED bulbs, LED wall washers, LED flood lights, LED panel lights, LED strip lights, LED down lights, LED night lights and other LED lighting fixtures. It is designed to work with LED loads that require a constant current input of 0-700 mA.

PDA025H-1A0A Working Principle

The PDA025H-1A0A LED driver is a buck-converter type LED driver with a constant current output. It utilizes a switching regulator to control the input current and maintain a steady output voltage.When AC power is applied to the primary side of the transformer, the primary winding will be energized, and an electromagnetic field is created in the core which induces a voltage in the secondary winding. This voltage is rectified and filtered to produce a steady DC voltage. Then the control IC will sense the voltage level and generate a switching signal to drive the power transistor. The output voltage is determined by a feedback resistor and a feedback capacitor, and the inductor is designed to limit the range of the output current. When the output voltage and current varies, the feedback loop will adjust the duty cycle of the switching signal to regulate the output voltage and current. The important components of the PDA025H-1A0A LED driver such as the control IC, transistor, transformer, inductor and capacitor are precisely matched to make sure the LED driver can work reliably and stably at high efficiency. It has a wide input voltage range from 90 to 305VAC and a wide output current range from 0 to 700mA, and it is capable of providing a maximum output of 25W.The PDA025H-1A0A LED driver also features over-voltage protection, over-temperature protection, Over-load protection, short-circuit protection, and AC light-load start-up, to ensure that the system runs safely and without interruption.Overall, the PDA025H-1A0A LED driver offers high efficiency and reliability under a wide operating range, making it an ideal solution for a variety of LED lighting applications.

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