ADP7102ARDZ-1.5-R7

Current - Output:	300mA
Base Part Number:	ADP7102
Supplier Device Package:	8-SOIC-EP
Package / Case:	8-SOIC (0.154", 3.90mm Width) Exposed Pad
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C
Protection Features:	Over Current, Over Temperature, Reverse Polarity
Control Features:	Enable, Power Good, Under Voltage Lockout
PSRR:	--
Current - Supply (Max):	1.4mA
Current - Quiescent (Iq):	900µA
Series:	--
Voltage Dropout (Max):	--
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	1.5V
Voltage - Input (Max):	20V
Number of Regulators:	1
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Active
Packaging:	Tape & Reel (TR)

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The ADP7102ARDZ-1.5-R7 is a two-channel, low dropout (LDO) linear voltage regulator. An LDO typically has lower output current ratings than a switching regulator and also has a wider input voltage range. It is used to control the output voltage level of a device or system, providing power with precision and stability. The ADP7102ARDZ provides two adjustable, current-limiting outputs with a wide input voltage range that can support input voltages up to 14 V. It has low dropout voltage and low quiescent current and features high ripple rejection ratios. The device has a wide efficiency range and is able to maintain a constant output in the presence of wide input and load transients.The ADP7102ARDZ-1.5-R7 is suitable for a wide range of applications, including cellular phones, PDAs, notebook computers and other battery-operated equipment. It can also be used in audio amplifiers and portable medical devices.The ADP7102ARDZ-1.5-R7 is composed of four functional blocks: the voltage reference, error amplifier, p-channel MOSFET pass transistor, and current/overload protection circuitry. The voltage reference circuit of the device creates a reference voltage. This reference voltage, and the error amplifier, act together to control the output voltage by performing feedback control. The error amplifier compares the output voltage with the reference voltage, and then amplifies the difference noise and inputs voltage variations.The p-channel MOSFET pass transistor is the main component of the device, controlling the current that flows through the output. This transistor is controlled by the error amplifier, and as the current passes through, the voltage drop is below the reference voltage and the output voltage is regulated. The fourth component of the device is the current/overload protection circuitry. That is designed to ensure that the output current is limited and protect the device from overload conditions. It is composed of a low-side current sense MOSFET, thermal protection circuitry and reset, and open and short circuit protection circuitry. This protection circuitry is designed to shut down the regulator if the output current exceeds a set limit, or if the die temperature is too high.In conclusion, the ADP7102ARDZ-1.5-R7 is an efficient and reliable two-channel, low dropout voltage regulator. It is used to control the output voltage level of a device or system with precision, providing high ripple rejection ratios, low dropout voltage, low quiescent current, and wide efficiency ranges. It can be used for a wide range of applications, including cellular phones, PDAs, notebook computers and other battery-operated equipment, as well as in audio amplifiers and portable medical devices.

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