ADP2441ACPZ-R7

Voltage - Output (Min/Fixed):	0.6V
Base Part Number:	ADP2441
Supplier Device Package:	12-LFCSP-WQ (3x3)
Package / Case:	12-WFQFN Exposed Pad, CSP
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C (TJ)
Synchronous Rectifier:	Yes
Frequency - Switching:	300kHz ~ 1MHz
Current - Output:	1A
Voltage - Output (Max):	32.4V
Series:	--
Voltage - Input (Max):	36V
Voltage - Input (Min):	4.5V
Number of Outputs:	1
Output Type:	Adjustable
Topology:	Buck
Output Configuration:	Positive
Function:	Step-Down
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction:

ADP2441ACPZ-R7 is a voltage regulator developed by ADI. This device is a non-synchronous DC/DC switch regulator that is designed for an input voltage ranging from 2.7V to 6V. It can provide up to 1.5A of load current and can output adjustable voltages from 1.14V to 5.5V. The ADP2441ACPZ-R7 features a novel architecture that combines the features of both a low dropout regulator (LDO) and a buck regulator. It has an integrated boost inverter circuit and a low quiescent current of 1µA in shutdown mode. The ADP2441ACPZ-R7 is intended for use in battery powered systems, including mobile phones, MP3 players, and other portable applications.

Application Field:

The ADP2441ACPZ-R7 is suitable for DC/DC step-up applications. It is also suitable for powering low noise and cost-sensitive applications. It is especially suited for use in portable applications that require a compact solution and superior performance.ADP2441ACPZ-R7 is a good choice for applications that have a wide range of input voltages and require high efficiency to minimize power loss. It is ideal for driving low noise applications that require a step-up voltage conversion.The ADP2441ACPZ-R7 is a good choice for automotive and other harsh environments due to its excellent EMI filters and robust design. It is also suitable for a wide range of power management applications, including portable devices and smartphone chargers.

Working Principle:

The ADP2441ACPZ-R7 features a novel non-synchronous DC/DC buck regulator architecture. It uses an inductive voltage conversion technique to step-up the input voltage.The device consists of a low noise single-pole switching section, a current-mode Pulse-width modulation (PWM) control section and an error amplifier. The PWM control section reduces the ripple voltage on the output by accurately controlling the boost converter\'s switch frequency and duty cycle. The error amplifier compares the output voltage with a reference voltage to generate a feedback control signal.The ADP2441ACPZ-R7 has an integrated boost phase inverter circuit and EMI filters. The voltage output is adjustable from 1.14V to 5.5V and the switching frequency is adjustable from 1.2MHz to 2.4MHz. It also has a low quiescent current of 1μA in shutdown mode.

Conclusion:

The ADP2441ACPZ-R7 is a non-synchronous DC/DC buck regulator designed to provide a compact and cost-effective solution for applications requiring step-up voltage conversion. It is ideal for battery powered systems, portable devices, and other applications with a wide range of input voltages and high efficiency requirements. The device features a novel architecture, integrated boost inverter circuit, low quiescent current, and adjustable operating frequency, making it ideal for powering low noise and cost-sensitive applications.

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