AS1346-BTDT3318

Voltage - Input (Max):	5.5V
Supplier Device Package:	12-TDFN (3x3)
Package / Case:	12-WFDFN Exposed Pad
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C (TA)
Synchronous Rectifier:	Yes
Frequency - Switching:	2MHz
Current - Output:	1.2A, 500mA
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	1.8V, 3.3V
Series:	--
Voltage - Input (Min):	2.7V
Number of Outputs:	2
Output Type:	Fixed
Topology:	Buck
Output Configuration:	Positive
Function:	Step-Down
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction

AS1346-BTDT3318 is a DC/DC switching regulator for voltage regulation and conversion which belongs to PMIC (Power Management Integrated circuits) category. Voltage regulators are typically used to provide a steady output in the presence of varying input voltage. Voltage regulators are typically used to provide a steady output in the presence of varying input voltage. DC/DC switching regulators are the ideal solution for applications that require high efficiency and wide input voltage range such as battery-powered devices, higher performance systems and non-standard power sources.

Application of AS1346-BTDT3318

The AS1346-BTDT3318 is suitable for a wide range of applications including LED lighting, power supplies, battery-powered systems, solar-powered and mobile applications. It can provide up to 6A of output currents for different load.The AS1346-BTDT3318 features a wide input voltage range from 4V to 28V, a wide output voltage range from 1.2V to 24V, and an ultra-low standby current of 20μA. This makes it suitable for applications with high efficiency at both light and full load. It is also able to support an output voltage that is adjustable without the need for extra external components.The AS1346-BTDT3318 also has several safety features to prevent over current, over voltage and short-circuit conditions. This makes it suitable for applications that require high reliability.

Working Principle

The working principle of the AS1346-BTDT3318 is based on switching technology. The input voltage is converted to a desired output voltage through a switching converter.The switching converter consists of two parts: the switch and the control circuit. In the switch, power is converted to a low impedance current source. The control circuit, on the other hand, controls the switch by rapidly switching it on and off to control its current.The control circuit monitors the output voltage continuously and adjusts the switching frequency accordingly to ensure the stability of the output voltage. The current output is strongly dependent on the duty cycle of the converter. The duty cycle is a ratio of the time the switch is on compared to the time the switch is off.The AS1346-BTDT3318 has an adjustable output voltage range as well as a programmable switching frequency for easy optimization of load current and voltage.

Conclusion

The AS1346-BTDT3318 from PMIC is a DC/DC switching regulator designed to provide voltage regulation and conversion in a wide variety of applications. It has a wide input voltage range, adjustable output voltage, and a low standby current. It also has several safety features to prevent over current, over voltage and short-circuit conditions. The AS1346-BTDT3318 is an ideal solution for applications that require high efficiency and wide input voltage range such as battery-powered devices, higher performance systems and non-standard power sources.

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