TDR 3-1211SM

Current - Output (Max):	600mA
Supplier Device Package:	--
Size / Dimension:	0.74" L x 0.50" W x 0.34" H (18.9mm x 12.8mm x 8.7mm)
Package / Case:	14-SMD Module, 7 Leads
Mounting Type:	Surface Mount
Efficiency:	81%
Operating Temperature:	-40°C ~ 85°C (With Derating)
Features:	Remote On/Off, SCP
Applications:	ITE (Commercial)
Voltage - Isolation:	1.6kV
Power (Watts):	3W
Series:	TDR 3
Voltage - Output 4:	--
Voltage - Output 3:	--
Voltage - Output 2:	--
Voltage - Output 1:	5V
Voltage - Input (Max):	18V
Voltage - Input (Min):	9V
Number of Outputs:	1
Type:	Isolated Module
Part Status:	Active

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DC DC Converters

DCDC converters are an important part of many modern electronic systems. With the advancement of electronics technologies, DCDC converters have become more efficient, more reliable, and easy to use. The TDR 3-1211SM is a DCDC converter with higher performance and efficiency. This article will discuss the application field and working principle of the TDR 3-1211SM.

The TDR 3-1211SM is a DCDC converter for applications in office or commercial facilities. It is a high efficient DCDC converter that offers 110W of output power and operates between a wide range of input voltages (90 – 264V AC). The TDR 3-1211SM converter provides a constant voltage output between 12V and 11V adjustable with a precision of 0.1V. The TDR 3-1211SM also features remote on/off control, overload and short circuit protections, power factor correction (PFC) and dimmable wide range input voltage. The TDR 3-1211SM also features electronic protection against over-current, voltage, load, temperature and short circuit.

The working principle of the TDR 3-1211SM DCDC converter is based on the switching regulator principle, which is one of the simplest switching modes to achieve a regulated output voltage. It is composed of a voltage-controlled switch along with a feedback path that can quickly turn the switch on and off. When the switch is turned on, the input voltage is connected to the load, and when the switch is turned off, the load is connected to the output. The switching frequency of the switch is determined by the feedback circuit, which ensures that the output voltage is always maintained at the desired value.

The TDR 3-1211SM converter also features an input power factor correction (PFC) circuit. The PFC circuit is an active power electronic circuit that corrects the distortion in the input current waveform, resulting in a more efficient power delivery and less energy wasted in transmission. The PFC circuit also reduces the input current ripple, resulting in a reduction in electromagnetic interference (EMI) and improved system reliability.

In conclusion, the TDR 3-1211SM is a high efficient DCDC converter for applications in office or commercial facilities. The TDR 3-1211SM operates between a wide range of input voltages (90 - 264V AC) and provides a constant voltage output between 12V and 11V adjustable with a precision of 0.1V. The TDR 3-1211SM also features remote on/off control, overload and short circuit protection, power factor correction (PFC) and dimmable wide range input voltage. With its excellent performance and efficiency, the TDR 3-1211SM is ideal for a variety of applications.

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