S-1132B31-M5T1G

Current - Output:	300mA
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:	Over Current
Control Features:	Enable
PSRR:	65dB (1kHz)
Current - Supply (Max):	40µA
Current - Quiescent (Iq):	1µA
Series:	S-1132
Voltage Dropout (Max):	0.19V @ 100mA
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	3.1V
Voltage - Input (Max):	6.5V
Number of Regulators:	1
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Not For New Designs
Packaging:	Tape & Reel (TR)

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The S-1132B31-M5T1G is an advanced 3.0A, ultra-low dropout (ULDO) low-voltage linear regulator belonging to the PMIC family of Voltage Regulators - Linear. Delivering a regulated output voltage as low as 0.75V, this regulator is capable of maintaining tight load and line regulation while consuming minimal on-chip quiescent current. The device also features a wide input voltage range, a minimum dropout voltage of 610mV at 3.0A of load current, fast response to line and load transients, as well as integrated protection functions for current limit, over-voltage, and over-temperature.The S-1132B31-M5T1G is well suited for powering applications such as cellular phones, digital cameras, PDAs and other handheld electronics devices. It offers the advantages of excellent load and line regulation, long battery run time, low power consumption and a wide input voltage range. It also has the capability to maintain a regulated output voltage across a wide range of load currents.The S-1132B31-M5T1G works on the principle of a negative feedback loop. This feedback loop allows the regulator to maintain a constant output voltage in the presence of varying input and load conditions. Specifically, the S-1132B31-M5T1G contains an error amplifier and a controlled current source. The error amplifier uses the output voltage as its input and compares it to a fixed internal reference voltage to produce an error signal. This error signal is then used to control the current source, which in turn produces an output voltage that is derived from a simple regulator formula. This feedback loop keeps the output voltage closely matched to the internal reference voltage, regardless of the varying input voltage or load conditions.In addition to the excellent line and load regulation of the S-1132B31-M5T1G, it also offers fast transient response to rapidly changing input and load conditions. The S-1132B31-M5T1G can regulate its output voltage within microseconds, allowing it to cope with sudden increases and decreases in load current and input voltage. This fast response also helps to reduce output voltage ripple, making it ideal for audio, video, microprocessor and system level power supplies.The S-1132B31-M5T1G also integrates protection functions for current limit, over-voltage, and over-temperature. The current limit protection works to regulate the output voltage in the event of a large output current being drawn from the device and enables a safe operating range for the load. The over-voltage protection will shut down the device when it detects an output voltage that is higher than its set point, and will return back to its normal operating state when the voltage returns to acceptable levels. The over-temperature protection will shut down the device when it detects an excessive temperature level, preventing possible damage to the device.The S-1132B31-M5T1G is an excellent choice for powering applications such as cellular phones, digital cameras, PDAs, and other handheld electronics devices. It offers excellent load and line regulation, long battery run time, low power consumption, fast transient response and built-in protection functions. Those features make it an ideal choice for audio, video, microprocessor and system level power supplies.

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