ADP2105ACPZ-1.2-R7

Voltage - Output (Min/Fixed):	1.2V
Base Part Number:	ADP2105
Supplier Device Package:	16-LFCSP-VQ (4x4)
Package / Case:	16-VQFN Exposed Pad, CSP
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C (TJ)
Synchronous Rectifier:	Yes
Frequency - Switching:	1.2MHz
Current - Output:	1A
Voltage - Output (Max):	--
Series:	--
Voltage - Input (Max):	5.5V
Voltage - Input (Min):	2.7V
Number of Outputs:	1
Output Type:	Fixed
Topology:	Buck
Output Configuration:	Positive
Function:	Step-Down
Part Status:	Active
Packaging:	Tape & Reel (TR)

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ADP2105ACPZ-1.2-R7 application field and working principle

ADP2105ACPZ-1.2-R7 is a PMIC (Power Management Integrated Circuit), belonging to the family of DC-DC switching regulators. It is a highly integrated, high efficiency, low noise switching regulator which provides a regulated output voltage from an input voltage of up to 10V. The ADP2105ACPZ-1.2-R7 is ideally suited for applications such as PDAs and cellular phones.The ADP2105ACPZ-1.2-R7 uses pulse width modulation (PWM) control to produce a regulated output voltage. It uses a voltage feedback loop to detect any changes in the output voltage and provide correction by varying the duty cycle of the switching signal. The output voltage is adjustable between 0.9V and 1.2V by an external resistor divider.The ADP2105ACPZ-1.2-R7 features a low noise switching frequency of 1.2 MHz and low output ripple voltage due to its high frequency operation. This eliminates the need for a large output filter and reduces the size of the external components. The ADP2105ACPZ-1.2-R7 is protected against overcurrent conditions. Additionally, the PWM controller will shut down the device in the case of an over temperature condition.The ADP2105ACPZ-1.2-R7 is suitable for use in a wide range of applications. It is ideal for use in high current applications up to 2A. Typical applications include automotive, consumer and industrial systems. Specific use as a point of load regulator for ARM Cortex processors, DSPs and FPGA is also possible.The device is available in a 1.2 mm x 1.8 mm WLCSP (wafer level chip scale package) package with 16 solder balls and 1.5mm profile. This package provides a small and compact design, allowing the device to be used in space constrained applications. The device is also RoHS compliant and is halogen free.The ADP2105ACPZ-1.2-R7 is designed to meet international safety and EMC standards. It is approved to EN 55022 and EN 55024. Additionally, the device is designed to meet EN60950-1 requirements. The device is rated at an ambient temperature of -40°C to +85°C and is suitable for automotive applications.In summary, the ADP2105ACPZ-1.2-R7 is highly integrated, high efficiency and low noise DC-DC switching regulator which offers a regulated output voltage from an input voltage of up to 10V. It is suitable for use in a wide range of applications, such as automotive, consumer and industrial systems, as well as for use as a point of load regulator for ARM Cortex processors, DSPs and FPGA. The device is available in a small 1.2 mm x 1.8 mm WLCSP (wafer level chip scale package) package and is RoHS compliant, halogen free and compliant to international safety and EMC standards.

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