FAN1086DX

Voltage Dropout (Max):	1.5V @ 1.5A
Base Part Number:	FAN1086
Supplier Device Package:	D-PAK (TO-252)
Package / Case:	TO-252-3, DPak (2 Leads + Tab), SC-63
Mounting Type:	Surface Mount
Operating Temperature:	25°C ~ 125°C
Protection Features:	Over Current, Over Temperature
Control Features:	--
PSRR:	72dB (120Hz)
Current - Output:	1.5A
Series:	--
Voltage - Output (Max):	6V
Voltage - Output (Min/Fixed):	1.25V
Voltage - Input (Max):	7.5V
Number of Regulators:	1
Output Type:	Adjustable
Output Configuration:	Positive
Part Status:	Obsolete
Packaging:	Tape & Reel (TR)

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FAN1086DX application field and working principle

PMIC - Voltage Regulators - Linear

The FAN1086DX is a linear voltage regulator from Fairchild Semiconductor. It has many uses in the field of power management and is one of the leading voltage regulators today. It has excellent performance and efficiency. This device provides low dropout voltage, fast transient response, and short circuit protection. It is also designed to operate over a wide temperature range.The FAN1086DX has three application fields: Power Supply, Battery Charging, and Battery Backup. In the power supply field, this device can be used to convert a higher input voltage to a low output voltage. It can also be used to regulate a voltage when incorporated into an AC/DC power supply. This device can be used in the battery charging field to protect against overcharging, overdischarging, and overcurrent. The device can also be used in the battery backup field as an emergency backup power source.This device has an on-chip thermal protection circuit that limits the power dissipation and keeps the junction temperature within a safe limit. This ensures the safe and reliable operation of the regulator. The on-chip current limit is adjustable, allowing the user to select the maximum current drawn from the device. This prevents overloading and reduces power losses.The FAN1086DX features a low dropout voltage and is designed to regulate even with small input-to-output voltage differences. This makes it ideal for applications where the input voltage is close to the output voltage. The FAN1086DX is also designed to withstand the effects of instantaneous changes in current, such as those caused by capacitive loads or on-off cycling.The FAN1086DX\'s working principle is based on the open-loop transfer function of an amplifier. The output voltage is compared to a voltage reference, and the difference is amplified. The resulting signal is then used to control the base current of a power transistor, which in turn controls the output voltage. This control loop provides excellent regulation accuracy even when there are large changes in load and temperature.In summary, the FAN1086DX is a versatile voltage regulator that can be used in many applications. Its small size, wide temperature range, and excellent regulation accuracy make it an excellent choice for power management applications.

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