LM9072SX

Current - Output:	350mA, 80mA
Base Part Number:	LM9072
Supplier Device Package:	TO-263-9
Package / Case:	TO-263-10 (9 Leads + Tab)
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C
Protection Features:	Over Temperature, Reverse Polarity
Control Features:	Enable, Tracking
PSRR:	40dB (20kHz)
Current - Supply (Max):	10mA
Current - Quiescent (Iq):	40µA
Series:	--
Voltage Dropout (Max):	0.8V @ 350mA
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	5V
Voltage - Input (Max):	27V
Number of Regulators:	2
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Obsolete
Packaging:	Tape & Reel (TR)

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<h2>VL9072SX Application Field and Working Principle</h2>The LM9072SX is a versatile voltage regulator IC belonging to the linear PMIC (Power Management IC) family. It is the modern equivalent of the classic LM317 adjustable voltage regulator but with improved operating characteristics and better performance. The wide range of output voltages, extended temperature ratings and improved efficiency make it a suitable choice for a variety of applications.<h3>Features</h3>The LM9072SX features outstanding load and line regulation, low output noise and good line and load transient characteristics. The device also has a programmable output voltage range of between 0.8 to 24V and an adjustable output current of up to 900mA. The low dropout voltage circuit enables the LM9072SX to remain stable even when the input voltage is slightly lower than the output voltage.<h3>Applications</h3>The LM9072SX is ideal for a variety of applications including telecom systems, industrial control, instrumentation, and medical equipment. The device is also suitable for automotive applications where its wide temperature range, low quiescent current and low dropout voltage are particularly welcome. It can be used in a variety of applications such as adjustable laboratory power supplies and computer power supplies.<h3>Working Principle</h3>The LM9072SX works by regulating the output voltage through the adjustment of its internal amplifier. The adjustable output voltage is set by the voltage divider formed by two resistors connected between the output and SET (setpoint) pins. A reference voltage is then derived across the amplifier and regulated to match the output voltage which is set by the voltage divider. The set voltage is then regulated by controlling the amount of current that is passed through the N-MOSFET output transistor. In this way, the LM9072SX ensures a precise output voltage.<h3>Conclusion</h3>The LM9072SX is a versatile linear voltage regulator IC belonging to the PMIC (Power Management IC) family. It is useful in a wide range of applications in the telecom, industrial control, instrumentation, and medical equipment industries. It also has a wide temperature range, low quiescent current and low dropout voltage. The LM9072SX works by regulating the output voltage through the adjustment of its internal amplifier and controlling the amount of current that is passed through the N-MOSFET output transistor. This makes it an ideal choice for a variety of applications.

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