PCA9412AUKZ

Voltage - Input (Max):	5.25V
Supplier Device Package:	9-WLCSP (1.24x1.24)
Package / Case:	9-UFBGA
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C (TA)
Synchronous Rectifier:	Yes
Frequency - Switching:	3MHz
Current - Output:	300mA
Voltage - Output (Max):	5.56V
Voltage - Output (Min/Fixed):	5.4V
Series:	--
Voltage - Input (Min):	2.5V
Number of Outputs:	1
Output Type:	Fixed
Topology:	Boost
Output Configuration:	Positive
Function:	Step-Up
Part Status:	Active
Packaging:	Tape & Reel (TR)

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IntroductionPCA9412AUKZ is a low power pin-compatible, replacable Voltage Regulator-DC DC Switching Regulator from NXP Semiconductors. It is specifically designed to provide highly efficient, low noise and stable power supply solutions in order to drive downstream applications. This regulator is based on an advanced NXP Zero-Voltage-Transfer switching DC-DC regulator and features an integrated PWM controller and MOSFET driver to deliver clean and constant voltage output over a variety of workloads and conditions. PCA9412AUKZ is a modern version of the popular PCA9555 and PCB9555M single-chip intelligent regulators, making it a versatile, cost-effective choice for a wide range of digital and analog applications.Application FieldPCA9412AUKZ is suitable for use in a wide range of applications, including portable electronics, communications equipment, industrial control, automotive and automotive power solutions, and power management applications. Its tiny size and efficient operation make it a perfect candidate for space-constrained designs and applications that require controlled current and voltage. Some notable examples of usage include computer component power supplies, cellular phone, MP3 players, portable media players, navigation systems and networked toys.Working PrincipleThe PCA9412AUKZ operates on a closed loop zero-voltage-transfer principle. PWM control and external loop resistance adjustment can be used to regulate the output voltage and to achieve fast-response voltage regulation with high-dynamic stability. The regulator receives input power from a conventional dc-dc converter and supplies tight regulation over an output voltage range of 0.8 to 5.25V. A built-in Power Management IC (PMIC) automates periodic buck converters to perform power conversion and maintain the output voltage on time. In order to provide accurate regulation, PCA9412AUKZ also includes a fast-responding voltage doubler, multiplier, reference and level shifter. With these components, it can easily provide up to 20A of current on its output stage. The regulator also includes optional protection devices such as an over-voltage protection (OVP) circuit and an under-voltage protection (UVP) circuit to protect against unexpected power supply fluctuations. Overall, the PCA9412AUKZ is an incredibly efficient and reliable Voltage Regulator-DC DC Switching Regulator that offers high output precision, advanced protection features, and excellent compatibility with a wide range of different applications. It is an ideal choice for both commercial and industrial applications that require fast and seamless power supplies. ConclusionThe PCA9412AUKZ is an advanced, efficient Voltage Regulator-DC DC Switching Regulator from NXP Semiconductors. This regulator features a PWM controller, MOSFET driver, and other components to provide tight regulation over a range of voltage levels, fast-responding voltage regulation and high-dynamic stability, and protection devices such as OVP and UVP circuits. The PCA9412AUKZ is suitable for use in a variety of applications, including digital and analog ones, computer and communication components, and portable devices. Its small form factor and efficient operation make it the perfect choice for space-constrained designs.

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