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:	Overcurrent, Thermal Shutdown
Control Features:	Enable
PSRR:	70dB (1kHz)
Current - Supply (Max):	38µA
Current - Quiescent (Iq):	1µA
Series:	S-1333
Voltage Dropout (Max):	0.31V @ 100mA
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	2.5V
Voltage - Input (Max):	5.5V
Number of Regulators:	1
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Application Field and Working Principle of S-1333A25-M5T1U3 Voltage Regulators

Introduction

The S-1333A25-M5T1U3 is an adjustable linear voltage regulator which allows designers to achieve precise output voltage control different from the fixed output voltage of a fixed-regulator. It includes an adjustable output voltage, low temperature coefficient, and low operating temperature.Moreover, this Linear Voltage Regulator is designed to be highly reliable through the use of Dallas Semiconductor\'s CMOS process.

Specifications

The S-1333A25-M5T1U3 is available in a wide range of output voltages of 10.6 V to 25.6 V, and its output voltage is adjustable from 5% to 10% below the minimum output voltage rating, with accuracy of ±2%. It is designed for use in a variety of applications including notebooks, LCD monitors, DVD players, and other consumer electronic devices requiring precise voltage regulation.

Key features:

• Wide input voltage: 3V to 24V +2%
• Output voltage adjustable from 0.75V to 2.5V
• Output current adjustable from 0.2A to 2A
• Reverse Current Protection
• Low operating temperature

Benefits

• Adjustable output voltage for precise control of the output voltage.
• Low consumption for improved efficiency.
• Low temperature coefficient for more stable output voltage over temperature.
• Reverse current protection prevents accidental damage from reverse polarity connections.

Applications

The S-1333A25-M5T1U3 is ideal for a variety of applications in notebook computers, LCD monitors, DVD players and other consumer electronics requiring precise voltage regulation. It is capable of supplying up to 2A (peak) of output current, and the adjustable output voltage makes it suitable for a variety of voltage regulation tasks. Furthermore, the low consumption and the reverse current protection make this voltage regulator perfect for portable devices which require stable output voltage, and are subject to reverse current connections.

Working Principle

The S-1333A25-M5T1U3 is an adjustable linear voltage regulator which is based on a highly efficient, low voltage drop, reference voltage. It uses an NPN transistor to produce an adjustable output voltage. It is designed to regulate input voltage levels within a certain range, between 3V and 24V, to a precisely adjusted output voltage level, between 0.75V and 2.5V, with accuracy of ±2%.The output voltage is set by the external resistors connected to the voltage adjustment pin. A voltage divider is created by the two resistors, and the output voltage is determined by the ratio between the resistors. The reference voltage, in turn, is used to control the base current of the NPN transistor, allowing the voltage level to be precisely adjusted. The S-1333A25-M5T1U3 also includes low dropout voltage and reverse current protection. The low dropout voltage keeps the regulator efficient even when the output voltage is small. The reverse current protection functions as a reverse polarity protection and prevents the device from being damaged by the reverse polarity connection.

Conclusion

The S-1333A25-M5T1U3 is a highly efficient, adjustable linear voltage regulator designed for use in a variety of applications such as notebooks, LCD monitors and DVD players. The adjustable output voltage and low temperature coefficient, and low operating temperature allow for precise output voltage control different from the fixed output voltage of a fixed-regulator. The reverse current protection prevents accidental damage in case of reverse polarity connection. All in all, the S-1333A25-M5T1U3 is an ideal voltage regulator for achieving precise output voltage control.

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