Name: LM2937IMPX-10/NOPB
Brand: Texas Instruments
SKU: LM2937IMPX-10/NOPBTR-ND
Price: 0.56 USD
Availability: InStock

LM2937IMPX-10/NOPB Allicdata Electronics

Allicdata Part #:	LM2937IMPX-10/NOPBTR-ND
Manufacturer Part#:	LM2937IMPX-10/NOPB
Price:	$ 0.56
Product Category:	Integrated Circuits (ICs)
Manufacturer:	Texas Instruments
Short Description:	IC REG LINEAR 10V 400MA SOT223-4
More Detail:	Linear Voltage Regulator IC Positive Fixed 1 Outpu...
DataSheet:	LM2937IMPX-10/NOPB Datasheet/PDF
Quantity:	1000

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Specifications

Current - Output:	400mA
Base Part Number:	LM2937
Supplier Device Package:	SOT-223-4
Package / Case:	TO-261-4, TO-261AA
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C
Protection Features:	Over Temperature, Reverse Polarity, Short Circuit
Control Features:	--
PSRR:	--
Current - Supply (Max):	20mA
Current - Quiescent (Iq):	2mA
Series:	--
Voltage Dropout (Max):	1V @ 50mA
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	10V
Voltage - Input (Max):	26V
Number of Regulators:	1
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Active
Packaging:	Tape & Reel (TR)

Description

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LM2937IMPX-10/NOPB application field and working principlePMIC stands for Power Management IC, The LM2937IMPX-10/NOPB is a member of the TI’s LM2937I Triple Output Voltage family. In this family, the LM2937IMPX-10/NOPB is the latest at Texas Instruments for many low power requirements. This series can be found in three distinct voltage regulators, the LM2937IMPX-10/NOPB, the LM2937IMPX-12/NOPB, and the LM2937IMPX-15/NOPB. The LM2937IMPX-10/NOPB is built on a 16-pin, micro SMD package and is capable of providing linear regulation of three independently programmable output voltages, one adjustable output and two fixed outputs with a minimum load current of 100 μA.OverviewThe LM2937IMPX-10/NOPB is a triple output linear regulator based on the Texas Instruments voltage regulator IC family LM2937I. The IC has 3 independent output voltages that can be adjusted to meet specific needs. The adjustable output can be set by a single external resistor and the two fixed outputs are preprogrammed on the chip. One of these outputs is optimized for use as a memory backup supply. The LM2937IMPX-10/NOPB has the capability to provide up to 200mA of regulated output current in adjustable mode and 100µA in fixed mode operation. PerformanceThe LM2937IMPX-10/NOPB is capable of delivering a high level of performance and reliability. Its output voltage accuracy is ±2.0% and its operating temperature range is -40°C to +85°C. The IC also has a wide input voltage range of 2.7V to 13.2V, making it suitable for a variety of applications.Features The LM2937IMPX-10/NOPB has many advantages that make it an attractive linear voltage regulator. It is highly efficient, and its output is stable over a wide input voltage range. The IC also has excellent transient response characteristics and can be used with ceramic capacitors as well as electrolytic capacitors. Finally, the LM2937IMPX-10/NOPB has a shutdown mode which can be used to reduce power consumption when the device is not in use.Application fieldsDue to its combination of low power, high on-board efficiency, and programmable output voltage, the LM2937IMPX-10/NOPB is suitable for a variety of low-power applications. These include portable electronic devices, point-of-sale (POS) systems, and many other power systems where low power and high efficiency are desired.Working principleThe LM2937IMPX-10/NOPB is a voltage regulator that works through a Volta, limited current, shunt series regulator (VLSSR). VLSSR stands for Voltage, Low Side, Shunt, Series Regulator. In the case of the LM2937IMPX-10/NOPB, the VLSSR works through a two-stage topology which involves an input regulation stage and an output regulation stage. In the input stage, the output voltage is maintained by a resistor divider circuit, involving two resistors and a shunt regulator. In this configuration, the output voltage is determined by the ratio of the two resistors. The shunt regulator then compares the output voltage to a reference voltage and adjusts its output current accordingly to maintain the output voltage. The output stage of the LM2937IMPX-10/NOPB regulates the voltage by reducing or increasing the output current. It also includes a current limiting transistor which limits the output current to prevent the output voltage from exceeding a predetermined voltage limit. This control is provided by a feedback loop which compares the output voltage to a reference voltage and adjusts the output current accordingly.In summary, the LM2937IMPX-10/NOPB is a low-power and high-efficiency Voltage Regulator IC which is designed for a wide range of applications. It has three independently programmable outputs, one adjustable and two fixed outputs. It also has efficient transient response characteristics and is capable of delivering up to 200mA of regulated output current in adjustable mode and 100µA in fixed mode operation. With its wide input voltage range, good performance, and low power consumption, the LM2937IMPX-10/NOPB is a robust and reliable solution for many power systems.

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LM2937IMPX-10/NOPBTR-ND

LM2937IMPX-10/NOPB

Integrated Circuits (ICs)