JCB0312S09

Current - Output (Max):	333mA
Size / Dimension:	1.25" L x 0.80" W x 0.40" H (31.8mm x 20.3mm x 10.2mm)
Package / Case:	24-DIP Module, 14 Leads
Mounting Type:	Through Hole
Efficiency:	77%
Operating Temperature:	-40°C ~ 100°C
Features:	OCP, OVP, SCP, UVLO
Applications:	ITE (Commercial)
Voltage - Isolation:	1.5kV
Power (Watts):	3W
Series:	JCB
Voltage - Output 3:	--
Voltage - Output 2:	--
Voltage - Output 1:	9V
Voltage - Input (Max):	18V
Voltage - Input (Min):	9V
Number of Outputs:	1
Type:	Isolated Module
Part Status:	Active
Packaging:	Tube

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DC DC Converters

DC-DC converters are a type of device used to convert electrical energy from one DC voltage level to another, generally higher or lower than the input voltage. The JCB0312S09 device is a step down DC-DC converter commonly used in a variety of applications requiring an efficient, low voltage power supply.The JCB0312S09 device is capable of operating in two modes – pulse width modulation (PWM) and pulse frequency modulation (PFM). In PWM mode, the device takes an input voltage between 2.33V and 4.5V and outputs a regulated voltage between 0.9V and 3.3V at a current of up to 2A. In PFM mode the output voltage can be regulated within a range of 0.9V to 3.6V.The JCB0312S09 can be operated from a single cell Li-Ion (Li-Polymer) battery or from any other DC voltage source, such as a wall adapter, solar panel, automotive regulator etc. The device is designed to offer high efficiency, with a typical efficiency of 85.6% at 3.3V output and 1.5A.The operating principle of the JCB0312S09 is fairly straightforward. In PWM mode, the device takes its input voltage and feeds it into an internal switching circuit that rapidly switches the input voltage on and off to create a variable output voltage. The output voltage is regulated via an internal feedback circuit, which monitors the output voltage and adjusts the internal switching rate accordingly. In PFM mode, the device employs a similar switching circuit, but the switching rate is regulated via an internal frequency control circuit.The JCB0312S09 is designed with numerous safety features, including over temperature protection, short circuit protection, and reverse current protection. The device also has an integrated under voltage lockout feature, which prevents the output voltage from dropping below the specified level when the input voltage drops. This helps to prevent damage to any peripheral devices connected to the output of the device.Overall, the JCB0312S09 is an efficient, reliable device that can be used in a variety of low voltage DC applications. Its integrated safety features help to ensure its longevity and reliability, while its wide operating range and efficient design make it well suited for applications that require a reliable low-power supply.

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