ADP1871ACPZ-0.6-R7

Frequency - Switching:	600kHz
Base Part Number:	ADP1871
Supplier Device Package:	10-LFCSP-WD (3x3)
Package / Case:	10-WFDFN Exposed Pad, CSP
Operating Temperature:	-40°C ~ 125°C (TJ)
Control Features:	Enable
Serial Interfaces:	--
Clock Sync:	No
Synchronous Rectifier:	Yes
Duty Cycle (Max):	65%
Series:	--
Voltage - Supply (Vcc/Vdd):	2.95 V ~ 20 V
Output Phases:	1
Number of Outputs:	1
Topology:	Buck
Output Configuration:	Positive
Function:	Step-Down
Output Type:	Transistor Driver
Part Status:	Active
Packaging:	Tape & Reel (TR)

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PMIC - Voltage Regulators - DC DC Switching Controllers The ADP1871ACPZ-0.6-R7 is a switching controller suitable for pointer voltage applications. It is a 3V-5.5V input voltage controller with a wide range of adjustable output currents from 0 to 2A. This single-channel controller is highly efficient, making it ideal for applications with limited energy supplies. Its elevated frequency of 0.6 MHz provides precise output voltage control. Application fieldsThe ADP1871ACPZ-0.6-R7 is ideal for any application requiring a pointer voltage controller. This includes board-level applications such as personal computers, power supplies, telecommunications systems, and embedded systems. The controller can also be used in automotive, defense, and industrial process control applications. It is most suitable for use with metal oxide semiconductor field effect transistor (MOSFET) switching in high current applications. Working principleThe ADP1871ACPZ-0.6-R7 operates from an input voltage ranging from 3V to 5.5V. This controller uses a voltage mode power control architecture and operates at a frequency of 0.6 MHz. It provides accurate current limit regulation with a low-side MOSFET switch with very high efficiency over its input voltage range.The controller includes several features to make the underlying power loop stable. An internally generated 0.6MHz clock drives the loop. The cycle-by-cycle current limiter protects the output when the load exceeds the internally set limit. Internal soft-start, over-voltage protection, over-current protection, and thermal shutdown are all included as well. The ADP1871ACPZ-0.6-R7 contains two pins that support a frequency multiplication technique. The OVP pin allows the user to set the output voltage while the ECSM pin allows the user to set the switching frequency without changing the output voltage. Frequency multiplication can be used to increase stability or to reduce output voltage ripple at higher switching frequencies. In summary, the ADP1871ACPZ-0.6-R7 is a 3V-5.5V pointer voltage controller for single-channel operations. It is highly efficient and accurately regulated for current limiting, featuring an elevated frequency of 0.6MHz. This controller is suitable for use in board-level applications such as PCs, power supplies, and telecommunications systems. EEPROM allows users to customize the device and adjust output voltage. Frequency multiplication can also be implemented for added stability and reduced ripple.

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