ADP4000JCPZ-REEL

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Obsolete
Applications:	Converter, Intel VR11, VR11.1
Voltage - Input:	4.7 V ~ 5.75 V
Number of Outputs:	6
Voltage - Output:	0.38 V ~ 1.8 V
Operating Temperature:	0°C ~ 85°C
Mounting Type:	Surface Mount
Package / Case:	48-VFQFN Exposed Pad, CSP
Supplier Device Package:	48-LFCSP-VQ (7x7)
Base Part Number:	ADP4000

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Introduction

PMIC, or power management integrated circuits, are integrated circuits that are designed to regulate and monitor power, current, and voltage levels in an electrical system. Voltage regulators, in particular, are a component within a PMIC for maintaining and stabilizing the output level of a power source. In order to achieve this, voltage regulators use various control methods to adjust the output voltage and, in some cases, additional protective safeguard measures.The ADP4000JCPZ-REEL is a special-purpose voltage regulator manufactured by Analog Devices. This voltage regulator uses an advanced switching process to accurately regulate its output voltage. Additionally, it also includes a secondary function of providing additional current capacity.

Overview of ADP4000JCPZ-REEL

The ADP4000JCPZ-REEL has a maximum supply current of 1500mA and a line regulation of 800 mV. Its voltage accuracy is ±1% over a temperature range of -40°C to +85°C, and its quiescent current is only 4.5mA. The ADP4000JCPZ-REEL supports a wide input voltage range from 1V to 44V and supports output voltages from 0.60V to 4V. Furthermore, the ADP4000JCPZ-REEL has high efficiency (90% typical) and low ripple and noise at 225mVp-p.

ADP4000JCPZ-REEL Application Fields and Working Principles

The ADP4000JCPZ-REEL is an advanced, high-performance voltage regulator that is suitable for demanding tasks. It is ideal for applications requiring high current output and an increased level of accuracy, such as industrial, automotive, and consumer applications including laptops, chargers, and digital TVs.The ADP4000JCPZ-REEL works by utilizing an advanced, switched-mode topology to regulate the output voltage accurately and efficiently. The architecture is based around a pulse-width modulated (PWM) voltage feedback loop. The PWM loop includes a power switch, reference voltage, error amplifier, feedback divider, current limiting, and output voltage feedback.A reference voltage is used to set the desired output voltage. The voltage error amplifier compares the reference voltage to the output voltage feedback, and the result is used to control the power switch. Depending on the error signal, the current flow through the power switch is adjusted by an off-time delay or a phase-shift between two current flows. When the two current flows are equal, the output voltage remains stable.

Conclusion

The ADP4000JCPZ-REEL is an advanced voltage regulator manufactured by Analog Devices that combines high efficiency and accuracy with a wide input voltage range and low quiescent current. It is suitable for demanding applications like laptops and phones, and its advanced switched-mode topology with a PWM voltage feedback loop make it ideal for these applications.

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