KF15BDT-TR

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Obsolete
Output Configuration:	Positive
Output Type:	Fixed
Number of Regulators:	1
Voltage - Input (Max):	20V
Voltage - Output (Min/Fixed):	1.5V
Voltage - Output (Max):	--
Voltage Dropout (Max):	1V @ 200mA (Typ)
Current - Output:	500mA
Current - Quiescent (Iq):	1mA
Current - Supply (Max):	12mA
PSRR:	82dB ~ 60dB (120Hz ~ 10kHz)
Control Features:	--
Protection Features:	Over Current, Over Temperature
Operating Temperature:	-40°C ~ 125°C
Mounting Type:	Surface Mount
Package / Case:	TO-252-3, DPak (2 Leads + Tab), SC-63
Supplier Device Package:	DPAK
Base Part Number:	KF15B

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The KF15BDT-TR is a Linear Voltage Regulator from PMIC (Power Management Integrated Circuit) series. It is a three terminal adjustable regulator that provides high current output of up to 2A and is highly integrated with a wide range of features such as thermal shutdown, over-current protection, and over-voltage protection. Its output current is adjustable through external resistor values and its applications include powering LCD display, communication interface, consumer electronics, automotive and so on.

The design of KF15BDT-TR offers a highly integrated environment to reduce total component counts while providing reliable regulation and protection against therma over-current, over-voltage and short circuit over-load. The KF15BDT-TR can be used as an adjustable DC/DC converter by providing wide input voltage range and output current limit, thus making it the ideal choice for many applications. Furthermore, an SOT package with low profile leads to ease assembly and reduce design cost.

In terms of features, the KF15BDT-TR has a Thermal Shutdown (TSD) which will automatically shut down when the temperature of its junction goes above 150℃ and it will recover if the junction temperature falls below 135 ℃. It also has an Over-Current Protection (OCP) which will shut down if the output current exceeds the set limit of 2A. Further, an Over- Voltage Protection (OVP) is available which will protect the output from overvoltage above 8V and enable the KF15BDT-TR to work reliably.

The KF15BDT-TR is also suited to be used as a charge pump power supply, where its input voltage range of 2 to 36V makes it suitable for applications in the automotive, industrial, communication interface, LED driving and consumer electronics. A higher quality and higher performance power supply can be achieved compared to a traditional linear regulator due to this wide input range. Moreover, the Charge Pump Circuit (CPC) inside the KF15BDT-TR can increase the output voltage up to 60V which is beneficial when a higher voltage is needed.

The working principle of KF15BDT-TR is simple and straightforward. The input voltage is being fed to the internal regulator circuit, where it is compared to the internal reference voltage and the output is then regulated to the desired voltage. Its main components include an input voltage range 2-36V, output voltage range 2-8V with up to 2A output current and an adjustable temperature protection. The output current is adjustable through external resistor values.

Overall, the KF15BDT-TR can be used as a linear regulator and/or a charge pump power supply generator, making it a must-have component in many applications. The integrated features, high current output, adjustable temperature protection and wide input voltage range make it suitable for LCD display, communication interface, consumer electronics, automotive and other applications. The KF15BDT-TR is a reliable, high performance and highly integrated power management solution for any project.

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