| Allicdata Part #: | S-1137A19-U5T1U-ND |
| Manufacturer Part#: |
S-1137A19-U5T1U |
| Price: | $ 0.27 |
| Product Category: | Integrated Circuits (ICs) |
| Manufacturer: | ABLIC U.S.A. Inc. |
| Short Description: | IC REG LINEAR 1.9V 300MA SOT89-5 |
| More Detail: | Linear Voltage Regulator IC Positive Fixed 1 Outpu... |
| DataSheet: |  S-1137A19-U5T1U Datasheet/PDF |
| Quantity: | 1000 |
| 1000 +: | $ 0.24003 |
| Current - Output: | 300mA |
| Supplier Device Package: | SOT-89-5 |
| Package / Case: | SOT-89-5/6 |
| Mounting Type: | Surface Mount |
| Operating Temperature: | -40°C ~ 85°C (TA) |
| Protection Features: | Over Current |
| Control Features: | Enable, Soft Start |
| PSRR: | 70dB (1kHz) |
| Current - Supply (Max): | 65µA |
| Current - Quiescent (Iq): | 1µA |
| Series: | S-1137 |
| Voltage Dropout (Max): | 0.42V @ 300mA |
| Voltage - Output (Max): | -- |
| Voltage - Output (Min/Fixed): | 1.9V |
| 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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S-1137A19-U5T1U Application Field and Working Principle
The S-1137A19-U5T1U is a voltage regulator manufactured as a linear regulator by Sanyo Toshiba. It is a monolithic integrated one-chip regulator which requires less number of external components for stable operation. This device provides positive, adjustable outuput voltage range from 3.3 V up to 40 V. It is a four terminal voltage regulator which offers the function of protection against excessive current, temperature, and other fault conditions.
Application Field
The S-1137A19-U5T1U voltage regulator is used in various applications such as motor drives, industrial equipment, automotive electronics, mechatronic systems, and mobile telecommunication. It is also used in a variety of consumer applications such as cell phones, cameras, computers, and other electronic gadgets.
Working Principle
The S-1137A19-U5T1U linear voltage regulator is a four terminal device. It consists of two external terminal pins IN and OUT which are connected to their respective terminals. The other two pins are connected to the ground. One of them, called CLK, is used to drive the internal linear regulator. When the external power source is powering the regulator, the output voltage is regulated by varying the current level at the CLK pin. The ground pin will also be connected to the external source and the output voltage.
The internal linear regulator works by sampling the input voltage and then comparing it to the reference voltage and adjusting the amount of current flowing through the internal circuit to keep the output voltage at a steady level from the feedback loop. The adjustment of the current depends on the resistors attached to the CLK and OUT pins. The S-1137A19-U5T1U linear voltage regulator also has protection features such as over voltage protection and over current protection.
The S-1137A19-U5T1U regulator can be used with a wide range of power sources including direct current generators and alternating current or switching power supplies. It is a small and cost effective regulator that is suitable for multiple applications. It is widely used in industrial, automotive and telecom applications due to its compact size, low dropout voltage and good output regulation.
The specific data is subject to PDF, and the above content is for reference
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