JTB0524S12

Current - Output (Max):	470mA
Supplier Device Package:	--
Size / Dimension:	1.25" L x 0.80" W x 0.50" H (31.8mm x 20.3mm x 10.2mm)
Package / Case:	24-DIP Module, 14 Leads
Mounting Type:	Through Hole
Efficiency:	80%
Operating Temperature:	-25°C ~ 100°C (With Derating)
Features:	OCP, SCP
Applications:	ITE (Commercial)
Voltage - Isolation:	1.5kV
Power (Watts):	6W
Series:	JTB05
Voltage - Output 4:	--
Voltage - Output 3:	--
Voltage - Output 2:	--
Voltage - Output 1:	12V
Voltage - Input (Max):	36V
Voltage - Input (Min):	9V
Number of Outputs:	1
Type:	Isolated Module
Part Status:	Active

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DC DC Converters

The JTB0524S12 DC DC converter is an example of a high-efficiency unit commonly used for a variety of applications. It is a wide input voltage range, step-down buck converter with a maximum output current of 12A and dual switching frequency. The device has an integrated lowside switch for positive output force. This provides improved efficiency and higher current rating when compared to other buck converters with a discrete lowside N-Channel MOSFET.

The operating input voltage range for the JTB0524S12 is 4V to 40V, allowing for operation over a relatively wide input voltage range. This makes the module suitable for a variety of applications, and the adjustable switching frequency allows the user to optimize the system for a desired range of input voltages and load. When the input voltage falls below a certain threshold, the JTB0524S12 enters an extremely low quiescent current state. This allows the system to maintain its high efficiency even at low input voltages. The device is also capable of supporting a wide range of output voltages, allowing for greater flexibility in design.

The JTB0524S12 utilizes a wide range of state-of-the-art control features to ensure reliable performance. These include programmable soft-start, overvoltage protection, undervoltage lockout, as well as protection from fault conditions such as overcurrent, overtemperature, and short-circuit. An integrated balance circuit enables the device to efficiently distribute output current, and the integrated bias power supply ensures stable operation over the desired input and output voltage range.

The working principle of the JTB0524S12 is based on pulse-width modulation (PWM) control. A pulse signal is generated by the integrated PWM controller which then modulates the current through the switching elements. This results in a regulated output voltage that can be programmed by adjusting the period of the PWM signal. The integrated dual-channel switching controller works in tandem with the integrated low-side switch to ensure optimal drive current and high efficiency through the load.

The JTB0524S12 is particularly well-suited for automotive and portable industrial applications due to its wide input voltage range, high efficiency, and integrated control features. It can be used to power small appliances, motor controllers, and other systems that require a regulated DC voltage output. Furthermore, the device’s integrated protection features ensure reliable operation in harsh environments. Ultimately, the JTB0524S12 is an ideal choice for applications where low cost, high efficiency, and reliable performance are required.

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