S-L2980A52MC-TF-G

Current - Output:	150mA
Supplier Device Package:	SOT-23-5
Package / Case:	SC-74A, SOT-753
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C (TA)
Protection Features:	--
Control Features:	Enable
PSRR:	60dB (1kHz)
Current - Supply (Max):	140µA
Current - Quiescent (Iq):	1µA
Series:	S-L2980
Voltage Dropout (Max):	0.14V @ 50mA
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	5.2V
Voltage - Input (Max):	10V
Number of Regulators:	1
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Not For New Designs
Packaging:	Tape & Reel (TR)

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Introduction to S-L2980A52MC-TF-G

The S-L2980A52MC-TF-G is a 5 V 2-A low dropout (LDO) linear regulator with extremely low dropout voltage. This regulators utilizes advanced bipolar technology with CMOS control logic architecture for high performance applications. Additionally, this LDO regulator also has low operating current (less than 1.5 µA) for power saving and enhanced light load efficiency of up to 95%.This regulator is precisely designed to provide excellent regulation stability over wide line and load transients, while also providing extremely low output noise and an external compensation network that enables the user to fine tune the performance of the regulator. Furthermore, the S-L2980A52MC-TF-G has an internal POR (power-on reset) circuit, thermal shutdown circuit, and over-current protection circuits that provide additional protection against abnormal events.

Applications of S-L2980A52MC-TF-G

The S-L2980A52MC-TF-G can be used in a variety of applications including portable and battery powered systems, precision measurement devices, telecommunications equipment and general purpose power applications.It is suitable for powering digital and analog circuits, such as microprocessors, DSPs, FPGAs, radio parts, etc. It is also suitable for powering LED driver and LED display drivers. Furthermore, the S-L2980A52MC-TF-G can be used in applications where extremely low noise and a low-dropout voltage is required. This LDO is also the ideal choice for automotive and other applications where a high temperature operating range is required.

Working Principle of S-L2980A52MC-TF-G

The S-L2980A52MC-TF-G is a low dropout (LDO) linear regulator that utilizes a three-terminal adjustable or fixed output voltage device. It has an input voltage range of 5 V to 20 V, and the regulated output voltage can be set using an external resistor divider network. The output voltage of the regulator is controlled by the internal error amplifier and P-channel MOSFET series pass element. Additionally, the S-L2980A52MC-TF-G regulates the output voltage using an internal error amplifier. The output voltage is compared with an internal 1.2 V reference to create an error signal, which is amplified by the error amplifier. The error signal is then used to drive the P-channel MOSFET series pass element. If the output voltage is below the 1.2V reference, the error amplifier will cause more current to be supplied to the output, thus increasing the output voltage. Furthermore, the S-L2980A52MC-TF-G has an enable/disable pin which allows the user to enable/disable the regulator in order to control current draw. The enable pin can be held high or low to enable or disable the regulator, respectively. Finally, the S-L2980A52MC-TF-G also has an internal temperature sensing circuit, which monitors the junction temperature and will cause the regulator to shut down if it exceeds the thermal limit.

Conclusion

The S-L2980A52MC-TF-G is a 5 V 2-A low dropout (LDO) linear regulator that is ideal for portable and battery powered systems, precision measurement devices, telecommunications equipment and general purpose power applications. It utilizes advanced bipolar technology with CMOS control logic architecture, along with an internal error amplifier, P-Channel MOSFET series pass element and external resistor divider network to precisely regulate output voltage. Additionally, the S-L2980A52MC-TF-G has low operating current, an enable/disable function, thermal protection, and an internal POR (power-on reset) circuit.

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