S-1137D21-M5T1U Allicdata Electronics
Allicdata Part #:

S-1137D21-M5T1U-ND

Manufacturer Part#:

S-1137D21-M5T1U

Price: $ 0.25
Product Category:

Integrated Circuits (ICs)

Manufacturer: ABLIC U.S.A. Inc.
Short Description: IC REG LINEAR 2.1V 300MA SOT23-5
More Detail: Linear Voltage Regulator IC Positive Fixed 1 Outpu...
DataSheet: S-1137D21-M5T1U datasheetS-1137D21-M5T1U Datasheet/PDF
Quantity: 1000
3000 +: $ 0.22403
Stock 1000Can Ship Immediately
$ 0.25
Specifications
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, Soft Start
PSRR: 70dB (1kHz)
Current - Supply (Max): 65µA
Current - Quiescent (Iq): 1µA
Series: S-1137
Voltage Dropout (Max): 0.38V @ 300mA
Voltage - Output (Max): --
Voltage - Output (Min/Fixed): 2.1V
Voltage - Input (Max): 5.5V
Number of Regulators: 1
Output Type: Fixed
Output Configuration: Positive
Part Status: Active
Packaging: Tape & Reel (TR) 
Description

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The S-1137D21-M5T1U voltage regulator is part of the PMIC – Voltage Regulators – Linear family. This voltage regulator is a low dropout, adjustable device designed to provide a low-voltage DC power supply for digital circuits and A/D converters in portable products, such as mobile phones, PDAs, and digital cameras.The device can be used to step-down a voltage from a battery, a power management unit, or similar sources. With a low output voltage and low temperature coefficient, the S-1137D21-M5T1U offers high accuracy for critical applications.

Applications

The S-1137D21-M5T1U has many applications where an adjustable low-voltage DC power supply is required. These applications include mobile phone, personal digital assistant (PDA), digital camera, audio, PDA’s, portable electronics, automotive and industrial control applications. It can also be used in various industrial remote designs, such as remote monitoring, security, medical, automotive, industrial automation, consumer electronics and networking applications.

Features and Benefits

The S-1137D21-M5T1U is a low dropout, adjustable voltage regulator that provides a low-voltage supply to digital circuits and A/D converters. It has many features and benefits that make it useful in a range of applications. For instance, it has a very low output voltage of 0.85V, a wide input voltage range of 4.0V to 35V, and a low temperature coefficient of 5 PPM/°C. It also has an on-board power-on reset, two error amplifiers, current-mode control, and Protection Over Voltage (POV). Additionally, its low quiescent current of 60µA ensures high efficiency and low-power consumption. Furthermore, its fast transient response, tight line regulation and low noise operation provide accurate regulation and stable performance. Finally, its low-profile LFCSP package enables easy layout and simple assembly.

Working Principle

The S-1137D21-M5T1U voltage regulator works on a control loop principle. It consists of an error amplifier, a power transistor, and a feedback network. When a load requires a certain amount of current, the error amplifier compares the output voltage with a reference voltage and produces an error signal. This signal is fed back to the power transistor and is used to control the current supplied by the power transistor, thus regulating the output voltage. The error amplifier also acts as a voltage regulator to protect against over-voltage conditions. The output voltage is kept within the specified limits by the error amplifier.

Conclusion

The S-1137D21-M5T1U voltage regulator is part of the PMIC – Voltage Regulators – Linear family. With its low output voltage and low temperature coefficient, the S-1137D21-M5T1U provides high accuracy suitable for many portable applications. It features a wide input voltage range and low quiescent current for efficient, low-power operation. Its on-board features, fast transient response, and low noise operation ensure accurate regulation and stable performance. Finally, the device’s low-profile LFCSP package makes it easy to layout, assemble and integrate into numerous portable applications.

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

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