ADP7104ARDZ-1.5-R7

Current - Output:	500mA
Base Part Number:	ADP7104
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 Temperature, Short Circuit
Control Features:	Enable, Power Good, Under Voltage Lockout
PSRR:	--
Current - Supply (Max):	1.6mA
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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Introduction to ADP7104ARDZ-1.5-R7

The ADP7104ARDZ-1.5-R7 is a low quiescent current linear voltage regulator of the Analog Devices Inc. (ADI) family of PMIC products. It is designed to provide precise and stable voltage regulation of +1.5 V (V3) with a maximum output current of up to 5A and a maximum output power of up to 8W. The ADP7104ARDZ-1.5-R7 is an optimized, cost effective solution to meet medium power applications, such as standard high-performance microprocessor and microcontroller systems.

ADP7104ARDZ-1.5-R7 Application Field

The ADP7104ARDZ-1.5-R7 is suitable for applications requiring accurate, high-performance and low power consumption. Its high efficient (up to 96%) voltage regulation and low quiescent current (down to 30uA) make it especially suited for battery-powered portable electronic devices. Some of its applications include:

• High performance portable electronic devices
• Advanced CPU system power supplies
• High-speed I/O multiplexers
• Auto Data Acquisition systems
• Various industrial equipment power supplies

ADP7104ARDZ-1.5-R7 Working Principle

The basic operation of any voltage regulator is based on the conversion of higher input voltage to lower output voltage while maintaining the input to output conversion with a regulation accuracy. The ADP7104ARDZ-1.5-R7 uses a linear topology in order to operate efficiently and cost effectively for compact designs.Linear topology works by using the input voltage and current as a source for the system load. The voltage regulator then takes an input voltage source at its input and uses a series of resistors and capacitors to generate a lower output voltage. The output voltage is controlled through two fundamental feedback mechanisms.

• The feedback voltage loop is larger at higher input voltage, thus making the output voltage lower.
• The feedback current loop is smaller at higher input current, thus making the output voltage less.

The voltage regulator also implements many safety features such as current limit, thermal shutdown and overtemperature protection (OTP), which activate in case of overvoltage, overcurrent and over temperature respectively. The ADP7104ARDZ-1.5-R7 is also designed to have fast transient response and low output voltage ripple. This result in high power conversion efficiency which maximizes the battery life.

Conclusion

The ADP7104ARDZ-1.5-R7 linear voltage regulator provides a cost-effective and reliable solution for managing medium power requirements for applications like portable electronic devices and CPU systems. The linear topology maintains a regulation accuracy and offers a wide range safety features such as current limit, thermal shutdown and OTP. With its fast transient response, low quiescent current, and high power conversion efficiency, the ADP7104ARDZ-1.5-R7 is an excellent choice for medium power requirements.

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