AZ1086D-1.8TRE1

Voltage - Output (Min/Fixed):	1.8V
Voltage - Output (Max):	--
Voltage Dropout (Max):	1.5V @ 1.5A
Current - Output:	1.5A
Current - Quiescent (Iq):	10mA
PSRR:	75dB (120Hz)
Control Features:	--
Protection Features:	Over Current, Over Temperature
Operating Temperature:	0°C ~ 125°C
Mounting Type:	Surface Mount
Package / Case:	TO-252-3, DPak (2 Leads + Tab), SC-63
Supplier Device Package:	TO-252-2
Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Obsolete
Output Configuration:	Positive
Output Type:	Fixed
Number of Regulators:	1
Voltage - Input (Max):	15V

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AZ1086D-1.8TRE1 Application Field and Working PrincipleAZ1086D-1.8TRE1 is a three terminal low dropout linear regulator integrated circuit (IC) specifically designed for low noise automotive applications. This IC belongs to the general category of Voltage Regulators - Linear.The AZ1086D-1.8TRE1 contains several features that make it suitable for automotive applications including: low dropout voltage, low standby current, very low noise, under voltage lockout and active current limiting. An external shutdown control pin allows the user to externally control the IC if needed in their application.The AZ1086D-1.8TRE1 has a specified output current of up to 150mA, with a typical dropout voltage of only 100mV at this output current. It can also regulate an input voltage up to an absolute maximum rating of 30V. The dropout voltage decreases as the output current approaches its maximum of 150mA and eventually reaches a minimum of 40mV at this maximum output current. Since the AZ1086D-1.8TRE1 is a low dropout linear regulator, it will only allow a small amount of current to pass through the pass transistor when the input voltage is slightly less than the output voltage. This helps to keep the voltage drop across the pass transistor to a minimum, in turn reducing power consumption and improving efficiency.Besides its low power consumption capabilities, the AZ1086D-1.8TRE1 also has a very low noise level. With an output capacitor of only 1µF, the output ripple is kept below 50µV RMS. This makes the AZ1086D-1.8TRE1 suitable for applications that require very low noise output voltage.The AZ1086D-1.8TRE1 also contains several protective features that make it suitable for use in automotive applications such as Over Temperature Protection (OTP) and an Under Voltage Lockout (UVLO). The OTP prevents the IC from overheating by automatically shutting down the IC when the internal temperature exceeds 150°C. The UVLO feature prevents the IC from operating if the input voltage is too low; this ensures that the IC will not be damaged if the input voltage is below the minimum required value.In summary, the AZ1086D-1.8TRE1 is a three-terminal low dropout linear regulator IC that contains several features that make it suitable for automotive applications. It has a very low dropout voltage, low standby current, very low noise and internal protection features such as an OTP and UVLO. The AZ1086D-1.8TRE1 is housed in a SOT-223 package, making it ideal for applications where board space is a consideration.

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