ACT8934/34A

Series:	ActivePath™, ActivePMU™
Packaging:	Tape & Reel (TR)
Part Status:	Obsolete
Applications:	Processor
Current - Supply:	420µA
Voltage - Supply:	2.7 V ~ 5.5 V
Operating Temperature:	-40°C ~ 85°C
Mounting Type:	Surface Mount
Package / Case:	40-WFQFN Exposed Pad
Supplier Device Package:	40-TQFN (5x5)

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ACT8934/34A Power Management IC

ACT8934/34A is a 3A, 3.3V, dual-output step-down converter power management IC from the renowned AdvancedMC family of ICs from Advanced Communication Technologies. This device is primarily used in the Mobile Communications and PC markets for the power management of various systems. It has been designed to provide a regulated supply of 3V out of a typical 6V input, and is capable of delivering up to 3A of total output across two outputs.The ACT8934/34A is managed by advanced and algorithms which are qualified for large digital systems in many different industries and market segments including medical, automotive, consumer and military. Its sleek and compact form factor allows it to be used in a variety of applications. It has 3 control pins which allow easy programming of output voltage and current. Additionally, it is equipped with a voltage and current monitor pin that provides excellent accuracy and stability of the output voltage and current.The ACT8934/34A is designed to operate with a frequency range of 100kHz-2MHz, allowing flexibility in its design and performance. It also uses a “fast-start” feature, which provides a rapid startup time of well within 1ms, which ensures smooth operation even in the toughest environments.The device is composed of two 6-pin independent outputs for assured output voltage accuracy and current regulation. Its design avoids any signal ground contamination, thus resulting in a reliable and efficient signal output. It also features a special “compensation” circuit that dynamically controls the output voltage and current, which helps reduce EMI issues when used in high noise operations.The special features of this power management IC include its adjustable output voltage range from 2.8V to 5.0V, with a maximum load current of up to 3A each for the two outputs. It also features a high power LED driver with a maximum pulse current of up to 0.7A, and a DC current of up to 0.23A. The ACT8934/34A has built-in over current protection and thermal protection, which help protect the IC from short circuits and excessive heat.In summary, the ACT8934/34A is an advanced power management IC from the AdvancedMC family of ICs from Advanced Communication Technologies. It is designed to provide regulated power from a variety of 6V inputs, and is capable of delivering up to 3A of total output. It has 3 control pins for easy programming of output voltage and current, and a voltage and current monitor pin for excellent accuracy and stability. Its additional features such as adjustable output voltage range with maximum load current, a high power LED driver, and built-in shields against short circuits and excessive heat make it an ideal solution for many power management applications.

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