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Texas Instruments Voltage Regulator LM337LM/NOPB 0.63 W -4.2V SOIC 8-Pin
Specifications
| Country of Origin | India |
|---|---|
| Brand | Texas Instruments |
| Height | 1.45mm |
| Length | 4.9mm |
| Model | LM337LM/NOPB |
| Width | 3.9mm |
| Mount Type | Surface |
| Series | LM337 |
| Power Rating | 0.63W |
| Output Current | LM317 (1.5 A), LM317L (0.1 A) |
| Maximum Operating Temperature | 125°C |
| Package Type | SOIC |
| Polarity | Negative |
| Maximum Input Voltage | -4.2V |
| Minimum Input Voltage | -40V |
| Pin Count | 8 |
Key Features
- This linear voltage regulator supports an output voltage range of -1.2 V to -37 V adjusted with two external resistors.
- The device offers typical ripple rejection between 77 dB and 80 dB ensuring stable output.
- It has a maximum operating temperature of 125°C for reliable performance in demanding environments.
- Package dimensions are compact with 4.9 mm length, 3.9 mm width, and 1.45 mm height for surface mounting.
- The LM337LM supports a maximum input voltage of -4.2 V and a minimum input voltage of -40 V.
- Designed for negative polarity applications, this regulator is suitable for precise power management in electronics.
- The output current rating includes 1.5 A typical for LM317 and 100 mA for LM317L variants.
Product Description
Texas Instruments LM337LM/NOPB is a high-quality adjustable negative linear voltage regulator designed for efficient power management in electronic circuits. It is packaged in a compact SOIC 8-pin surface mount package, making it ideal for space-constrained applications requiring stable negative voltage outputs.
The regulator operates with a power rating of 0.63 W and supports output voltages adjustable from -1.2 V to -37 V by using just two external resistors and a capacitor for frequency compensation. This simplicity allows easy integration into various power supply designs.
It provides excellent ripple rejection typically between 77 dB and 80 dB, which reduces output noise and improves stability under fluctuating input conditions. The device is rated for a maximum operating temperature of 125°C, suitable for industrial and commercial electronics operating in harsh environments.
The physical compactness of the SOIC package (4.9 mm length, 3.9 mm width, and 1.45 mm height) enables use in densely populated circuit boards with surface mount assembly techniques. The 8-pin configuration supports negative polarity voltage regulation applications effectively.
Typical input voltage ranges from a minimum of -40 V up to a maximum of -4.2 V, providing flexibility for various electronic designs requiring negative voltage rails with precise current output capabilities. The LM337LM variant supports an output current of 1.5 A, while LM337L is limited to 100 mA.
This voltage regulator is essential for industrial electronics, laboratory instruments, telecom equipment, and power management systems. Its surface mount SOIC packaging facilitates automated manufacturing processes enhancing production efficiency.
The device complies with no specific standards or automotive certifications but is well-suited for general purpose power supply circuits. The LM337LM/NOPB is a reliable choice for designers needing adjustable negative voltage regulators with compact footprints.
Package includes the LM337LM voltage regulator in an 8-pin SOIC tube format, ready for assembly.
Explore the full range of Texas Instruments power management solutions and Voltage Regulators on EnvMart to find compatible components for your electronic design and industrial applications.
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Frequently Asked Questions
The output voltage range is adjustable from -1.2 V to -37 V using two external resistors.
The maximum input voltage supported by this model is -4.2 V.
The typical output current rating is 1.5 A for the LM317 variant and 100 mA for the LM317L variant.
It has a maximum operating temperature of 125°C, suitable for demanding environments.
The package dimensions are 4.9 mm in length, 3.9 mm in width, and 1.45 mm in height.
It supports surface mounting, making it suitable for space-constrained applications.
The power rating of this voltage regulator is 0.63 W.
It offers typical ripple rejection between 77 dB and 80 dB, ensuring stable output.
The output voltage is adjusted using two external resistors and a capacitor for frequency compensation.
It is suitable for industrial electronics, laboratory instruments, telecom equipment, and power management systems.
This voltage regulator has a pin count of 8.
It belongs to the LM337 series of voltage regulators.
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