ADP322ACPZ-155-R7

Current - Output:	200mA, 200mA, 200mA
Base Part Number:	ADP322
Supplier Device Package:	16-LFCSP-WQ (3x3)
Package / Case:	16-WFQFN Exposed Pad, CSP
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C
Protection Features:	Over Current, Over Temperature, Under Voltage Lockout (UVLO)
Control Features:	Enable
PSRR:	--
Current - Supply (Max):	380µA
Current - Quiescent (Iq):	160µA
Series:	--
Voltage Dropout (Max):	-, -, 0.17V @ 200mA
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	1.5V, 1.8V, 3.3V
Voltage - Input (Max):	5.5V
Number of Regulators:	3
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Active
Packaging:	Tape & Reel (TR)

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ADP322ACPZ-155-R7 Application Field and Working PrincipleADP322ACPZ-155-R7 is a multi-channel linear voltage regulator that is used in a variety of applications such as industrial and telecommunication applications. The device features full low dropout (LDO) mode, high efficiency and very low noise performance. It is suitable for noise sensitive applications such as providing power to sensitive signal processing components in a variety of mobile device and wireless signal processing applications.The ADP322ACPZ-155-R7 consists of two channels, each with a low noise, very low dropout (LDO) voltage regulator comprising of a PMOS pass transistor and current source. The device is designed to provide a constant voltage output with a very high PSRR (power supply rejection ratio). This ensures that the output voltage is well regulated even in the presence of high levels of noise in the supply line.The device has a wide input voltage range between 2.7V and 5.5V and its output voltage range can be adjusted within the range of 0.8V to 3.3V. It also features a low quiescent current of 10μA, and a maximum short-circuit current limited up to 1.3A. The low dropout voltage as low as 145mV at a load current of 0.1A makes it suitable for powering devices under heavy load conditions.The ADP322ACPZ-155-R7 provides excellent power supply rejection ratio (PSRR) of 70dB at 1kHz, which reduces the effect of fluctuations in the power supply. The device also has good line and load regulation, with a typical output voltage adjustment of ±1%. It is also protected from over-temperature, current and voltage over-current conditions.In conclusion, the ADP322ACPZ-155-R7 is a multi-channel linear voltage regulator that is suitable for a wide range of applications. Its wide input voltage range and ability to provide low dropout voltage ensure that it is an ideal choice for many types of noise sensitive applications. Its low quiescent current of 10μA, high PSRR and excellent line and load regulation make it a perfect solution for powering almost any application where precise linear power delivery is required.

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