PTMA401120A3AZT

Series:	PTMA40xx
Packaging:	Tape & Reel (TR)
Part Status:	Obsolete
Type:	Isolated Module
Number of Outputs:	1
Voltage - Input (Min):	36V
Voltage - Input (Max):	75V
Voltage - Output 1:	12V
Voltage - Output 2:	--
Voltage - Output 3:	--
Current - Output (Max):	1A
Power (Watts):	10W
Voltage - Isolation:	1.5kV
Applications:	ITE (Commercial)
Features:	OCP, OVP, UVLO
Operating Temperature:	-40°C ~ 85°C
Efficiency:	87%
Mounting Type:	Surface Mount
Package / Case:	6-SMD Module
Size / Dimension:	1.10" L x 0.96" W x 0.36" H (27.9mm x 24.4mm x 9.1mm)
Base Part Number:	PTMA401120

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DC DC Converters

DC DC converters are common power supplies that convert voltage from one DC level to another and supply electrical power to components that need a different voltage level than the source. In this article, we will take a look at the application field and working principle of the PTMA401120A3AZT.The PTMA401120A3AZT is a 5W DC parameter adjustable step up/down DC DC converter. It has adjustable up to maximum 30V output voltage and works with input voltage range from 3V to 26V. It also has adjustable 0.5A to 4A peak output current. It is perfect for providing power to many small components, such as sensors, cameras, lights, motors, regulators, and many other devices that require voltage conversion.One of the advantages of the PTMA401120A3AZT is that it can function as either a buck or boost converter, with the ability to switch between +12V DC output and –12V DC output. It also has a wide efficiency range of 88% to 95%, meaning that it can maintain high efficiency when adjusting the output voltage and current levels. It has a low quiescent current to reduce power consumption, and is equipped with low ripple, low noise, fast transient response, and high accuracy.The PTMA401120A3AZT comes with built-in protections for short circuit, overvoltage, overtemperature, and reversed power input. It is also EMI compliant, making it suitable for industrial, commercial, medical, and automotive applications. The key components of a DC DC converter, such as the PTMA401120A3AZT, can be broadly categorized into four parts: the power devices, the inductor or transformer, the capacitors, and the control circuitry. The power devices, which are typically MOSFETs, are placed at the beginning of the circuit. In the case of a buck converter, the power devices are connected in series, while in a boost converter, they are connected in parallel. These power devices then control the flow of current from the input source to the output stage by modulation.The inductor or transformer stores energy in the form of an electromagnetic field and acts as a current limiter in the circuit. When current passes through the inductor, any excess energy is stored and then released back into the circuit when needed. As the inductor can store more energy, they are better for low-frequency applications. The capacitors help to smooth out any fluctuations in the output voltage and stabilize the current in the circuit. They also filter any noise from the circuit and reduce the ripple. Finally, the control circuit determines the output voltage and current levels by controlling the power device. This is done either digitally, using a microcontroller, or using analog components such as resistors and transistors.The PTMA401120A3AZT uses a high frequency pulse width modulation (PWM) and digital control method to control the output voltage and current. It samples the input voltage and compares it to the reference voltage. It then calculates the required PWM duty cycle and drives the power devices accordingly.In conclusion, the PTMA401120A3AZT is an efficient DC DC converter that can provide adjustable voltage and current to a wide range of devices. It is suitable for a wide range of applications, has built-in protections, and comes with a small form factor. It is also EMI compliant and comes with a high efficiency range.

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