S-1137A34-U5T1G Allicdata Electronics
Allicdata Part #:

S-1137A34-U5T1G-ND

Manufacturer Part#:

S-1137A34-U5T1G

Price: $ 0.27
Product Category:

Integrated Circuits (ICs)

Manufacturer: ABLIC U.S.A. Inc.
Short Description: IC REG LINEAR 3.4V 300MA SOT89-5
More Detail: Linear Voltage Regulator IC Positive Fixed 1 Outpu...
DataSheet: S-1137A34-U5T1G datasheetS-1137A34-U5T1G Datasheet/PDF
Quantity: 1000
1000 +: $ 0.24003
Stock 1000Can Ship Immediately
$ 0.27
Specifications
Supplier Device Package: SOT-89-5
Series: S-1137
Packaging: Tape & Reel (TR) 
Part Status: Not For New Designs
Output Configuration: Positive
Output Type: Fixed
Number of Regulators: 1
Voltage - Input (Max): 5.5V
Voltage - Output (Min/Fixed): 3.4V
Voltage - Output (Max): --
Voltage Dropout (Max): 0.31V @ 300mA
Current - Output: 300mA
Current - Quiescent (Iq): 1µA
Current - Supply (Max): 65µA
PSRR: 70dB (1kHz)
Control Features: Enable, Soft Start
Protection Features: Over Current
Operating Temperature: -40°C ~ 85°C (TA)
Mounting Type: Surface Mount
Package / Case: SOT-89-5/6
Description

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The S-1137A34-U5T1G is a 0.2 A low drop out (LDO) regulator with a peak current capability of 0.3 A which is designed specifically for point-of-load (POL) applications. It has a wide operating voltage range of 1.8 V to 7.0 V and is capable of handling more power than a linear regulator, while also offering improved efficiency.

This makes it an ideal choice for applications that require a more efficient and reliable power solution, such as those in digital devices, PSUs, and portable electronics. The S-1137A34-U5T1G also has a low quiescent current of 30 uA, which helps to improve overall efficiency.

Application Field

The S-1137A34-U5T1G is typically used as a point of load (POL) regulator in a wide range of applications, from consumer electronics to industrial, automotive and medical applications. In consumer electronics, it can be used for charging, power sequencing, and power regulation. In industrial applications, it can be used for powering systems, or to provide a regulated voltage for control systems. In automotive applications, it can be used to regulate vehicle voltage and current, as well as for battery charging. In medical applications, it can be used for powering medical equipment and sensing.

Working Principle

The S-1137A34-U5T1G is a linear low drop out (LDO) regulator, which means that it regulates a voltage by bypassing some of the current back to the input. This allows the voltage to be regulated without significant losses in efficiency, as the current diverted is minimal. In addition, the LDO design of this regulator prevents it from overloading and damaging the equipment.

The S-1137A34-U5T1G also uses a BIPOLAR NPN switching technology, which helps to reduce power dissipation. This technology uses NPN transistors to switch the current back to the input, and thus reduces the input voltage required to regulate the output voltage. The use of NPN transistors also helps to reduce the amount of external components needed in the system, resulting in a more compact and cost-effective design.

The S-1137A34-U5T1G also has a maximum output current of 0.2 A and a peak current capability of 0.3 A, which makes it suitable for powering large loads. Furthermore, it has an input voltage range of 1.8 V to 7.0 V, which means it can be used in a variety of applications.

In addition, the S-1137A34-U5T1G also has a low quiescent current of 30 uA, which helps to reduce overall power consumption. This makes it an ideal solution for applications that require high efficiency and reliability, and where space is limited.

Overall, the S-1137A34-U5T1G is a versatile LDO regulator, which can be used in a variety of applications. Its low quiescent current, wide operating voltage range, and peak current capabilities make it an ideal choice for power regulation and system protection.

The specific data is subject to PDF, and the above content is for reference

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