PD01D1212A

Current - Output (Max):	42mA, 42mA
Size / Dimension:	0.77" L x 0.24" W x 0.40" H (19.6mm x 6.0mm x 10.2mm)
Package / Case:	7-SIP Module, 5 Leads
Mounting Type:	Through Hole
Efficiency:	81%
Operating Temperature:	-40°C ~ 85°C
Features:	SCP
Applications:	Medical
Voltage - Isolation:	3kV
Power (Watts):	1W
Series:	PD01S/D
Voltage - Output 3:	--
Voltage - Output 2:	-12V
Voltage - Output 1:	12V
Voltage - Input (Max):	13.2V
Voltage - Input (Min):	10.8V
Number of Outputs:	2
Type:	Isolated Module
Part Status:	Active
Packaging:	Tube

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DC DC Converters: PD01D1212A Application Field and Working Principle

DC-DC converters are electromagnetic devices used for the conversion of direct current (DC) electrical power from one voltage level to another. These devices allow power to be derived from a low-voltage source, such as a secondary battery, and delivered to a load functioning at a higher voltage. This type of conversion, often referred to as voltage transformation, is most prominently employed in power supply units (PSUs) such as those used with computers and in mobile phones. One type of DC-DC converter goes by the name PD01D1212A. This product is produced by Intersil and is a programmable and synchronous step-down voltage regulator and digital power controller. It is suited to applications which require high efficiency and low output voltage ripple such as power converters, DC/DC converters, motor control, battery management, and solar power. The PD01D1212A has an input voltage range of 4.5V to 24V, an efficiency of up to 95%, and an output voltage range of 0.6V to 5.5V. This device has a maximum output current of 12A and can be programmed with external 0.5% accuracy resistors allowing for an output precision of up to 0.8%. The controller also features a wide range of protection features such as under voltage, over voltage, over temperature, over current, and short circuit protection. The working principle behind the PD01D1212A follows the same process as other DC-DC converters. That is to say, it involves transforming energy from a direct current source into energy at a different voltage level. The input power is switched at a very high frequency, typically in the range of several hundred kHz, and is then transferred directly to the output. The switching device in this case is a metal-oxide-semiconductor field-effect transistor (MOSFET). The PWM control loop of the PD01D1212A is implemented in an advanced digital architecture, allowing for a wide range of external programming for various operating conditions. This is made possible by the use of operating modes such as Pulse-Frequency Modulation (PFM) and Voltage Mode Modulation (VMM). A jitter-free air core inductor switch is employed in order to improve the power efficiency of the PD01D1212A. All in all, the PD01D1212A is an efficient and high precision DC-DC converter. The device’s programmability makes it suitable for a wide range of applications such as power converters, DC/DC converters, motor control, battery management, and solar power. The advanced digital architecture combines with the air core inductor switch to provide a device that is capable of efficient and precise operation.

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