AP1512A-T5L-U

Series:	--
Packaging:	Tube
Part Status:	Obsolete
Function:	Step-Down
Output Configuration:	Positive
Topology:	Buck
Output Type:	Adjustable
Number of Outputs:	1
Voltage - Input (Min):	4.5V
Voltage - Input (Max):	60V
Voltage - Output (Min/Fixed):	1.23V
Voltage - Output (Max):	37V
Current - Output:	3A
Frequency - Switching:	50kHz
Synchronous Rectifier:	No
Operating Temperature:	-20°C ~ 85°C (TA)
Mounting Type:	Through Hole
Package / Case:	TO-220-5
Supplier Device Package:	TO-220-5
Base Part Number:	AP1512A

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The AP1512A-T5L-U is a voltage regulator module from the PMIC-Voltage Regulators-DC DC Switching Regulators category. This module is designed to regulate output voltage of a power supply, providing constant current and voltage over relatively wide operating conditions. This regulator is notable for its high efficiency, low noise operation, low power dissipation, and wide input range which suits multiple applications related to battery powered devices.

AP1512A-T5L-U uses a flyback topology which features a high part count and high output voltage, but incredibly low ripple and noise. This topology is a DCDC switching regulator type which obtains efficiency by switchings between two or more different voltages in a very fast response time, resulting in power losses as low as 3-4% , over a wide set of operating conditions. This regulator uses high performance NPN transistors, which can output up to 1A current and can be adjusted for optimizing voltage output based on the corresponding load conditions.

The AP1512A-T5L-U integrates protection features like Thermal Shutdown, Open Loop Protection and input Over Voltage Protection for the improvement of reliability. The main highlighted features are mentioned as follows.

• High Efficiency: The regulator features Efficiency of 94-99% depending upon the load level.
• Input Voltage Range: The input range is relatively wide, making this voltage regulator useful to a variety of battery powered devices that have different input voltages.
• Protections: Thermal Shutdown, Open Loop Protection, Input Over Voltage Protection and Output Over Voltage Protection.
• Output Voltage Accuracy: High accuracy output voltage of 0.5 % (Typical).

The application field of AP1512A-T5L-U is very broad, due to its low power dissipation, high efficiency, wide input range and accurate output voltage which covers most modern applications related to battery powered devices like smart phones, tablets, power banks and other portable electronics. This regulator is also suitable for LED lights and other similar applications.

In conclusion, AP1512A-T5L-U is an ideal solution for the regulation of output voltage in modern battery powered devices, thanks to its high efficiency, low noise operation, low power dissipation and wide input range. This regulator uses a flyback topology which is a DC DC switching regulator type and integrates a good set of protection features like Thermal Shutdown, Open Loop Protection and input Over Voltage Protection.

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