AOZ1016AI

Series:	EZBuck™
Packaging:	Tape & Reel (TR)
Part Status:	Active
Function:	Step-Down
Output Configuration:	Positive
Topology:	Buck
Output Type:	Adjustable
Number of Outputs:	1
Voltage - Input (Min):	4.5V
Voltage - Input (Max):	16V
Voltage - Output (Min/Fixed):	0.8V
Voltage - Output (Max):	16V
Current - Output:	2A
Frequency - Switching:	500kHz
Synchronous Rectifier:	No
Operating Temperature:	-40°C ~ 85°C (TA)
Mounting Type:	Surface Mount
Package / Case:	8-SOIC (0.154", 3.90mm Width)
Supplier Device Package:	8-SOIC

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DC DC Switching Regulators

DC DC switching regulators are power management integrated circuits (PMICs) used to control the voltage and current delivery in a power supply by rapidly switching or switching off power stages. By doing so, the regulator ensures that the output load gets the correct voltage and current during start-up, enabling the correct functioning of the power system. The AOZ1016AI is a PMIC that features a DC DC switching regulator, which can regulate either a positive or negative regulated output voltage.

AOZ1016AI Application Field

The AOZ1016AI DC DC switching regulator is designed to meet the industrial, automotive, healthcare, home appliance and lighting applications. With its high-efficiency and low noise, it is suitable for powering radios, TV sets and monitors, as well as other communication equipment. In automotive applications, the AOZ1016AI can be found in on-board chargers and DC motor drivers, among other things. Moreover, it can also be used in high-end medical equipment for powering a variety of critical systems.

AOZ1016AI Working Principle

The AOZ1016AI DC DC switching regulator has two voltage loops which ensure an accurate control over its output voltage. The first loop is named the voltage reference loop and its main task is to establish the output voltage. It relies on an integrated voltage reference to compare the output voltage (Vout) with the desired voltage (Vref). The second loop is the error amplifier loop, which is used to adjust the amount of power supplied to the load, depending on its demand. This loop works by comparing the error signal (VEL) with the voltage reference (VREF) and generating an output signal that is used to control the switching of the power stages.Additionally, the AOZ1016Ai has a weak high frequency noise-reduction filter and a current limit circuit to help reduce EMI and thermal stress. The weak high frequency filter is responsible for reducing high frequency noise in the switching regulator while the current limit circuit helps protect the device from excessive current.In conclusion, the AOZ1016AI DC DC switching regulator is a power management integrated circuit that is well suited for powering industrial and automotive applications. Its two voltage loops ensure an accurate control over its output voltage, while its weak high frequency noise-reduction filter and current limit circuit help reduce EMI and thermal stress.

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