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STMicroelectronics Adjustable Negative Voltage Regulator 40V TO-220 3-Pin LM337SP
Specifications
| Country of Origin | India |
|---|---|
| Voltage | Regulators STMicroelectronics, Voltage Regulator 40V TO-220 3-Pin RS Stock No |
| Brand | STMicroelectronics |
| Height | 15.75mm |
| Length | 10.2mm |
| Model | LM337SP |
| Width | 4.6mm |
| Mount Type | Through Hole |
| Series | LM337 |
| Maximum Operating Temperature | 125°C |
| Package Type | TO-220 |
| Polarity | Negative |
| Maximum Input Voltage | 40V |
| Quiescent Current | 100μA |
| Pin Count | 3 |
| Ripple rejection | 77 dB |
| Thermal regulation | 0.002% |
Key Features
- Provides adjustable output voltage range from 1.2 V to -37 V with high accuracy.
- Can deliver output current up to 1.5 amperes.
- Features overload protection, thermal shutdown, and current limiting for robustness.
- Low quiescent current of 100 μA minimizes power consumption.
- Offers excellent load regulation of 0.3% and line regulation of 0.01% ensuring voltage stability.
- High ripple rejection ratio of 77 dB for reduced output noise.
- Thermal regulation factor of 0.002% and a temperature coefficient of 50 ppm/°C.
- Designed for through-hole mounting with dimensions 10.2 mm (L) x 4.6 mm (W) x 15.75 mm (H).
Product Description
STMicroelectronics LM337SP is an adjustable negative voltage regulator designed for precision voltage regulation in electronic circuits. This regulator supports output currents up to 1.5A across an adjustable voltage range of 1.2 V to -37 V, making it suitable for various power supply applications requiring negative voltages.
Packaged in a TO-220 3-pin configuration, the LM337SP is optimized for easy through-hole mounting on PCBs. Its robust design includes full overload protection mechanisms such as current limiting, thermal shutdown, and safe area protection, ensuring reliable operation even under fault conditions.
The device features a low quiescent current of 100 microamperes, minimizing power losses when idle. It maintains excellent load regulation (0.3%) and line regulation (0.01%), ensuring stable output voltage despite input or load variations. Additionally, its high ripple rejection ratio of 77 dB effectively suppresses AC ripple, producing cleaner DC output.
Thermal characteristics include a thermal regulation coefficient of 0.002% and a temperature coefficient of 50 ppm per degree Celsius, contributing to consistent performance over temperature changes. The regulator supports a maximum input voltage of 40 volts and can operate safely up to 125°C, making it suitable for demanding environments.
This component is ideal for industrial, laboratory, and electronic power supply applications where adjustable negative voltage regulation is required. Its reliable protection features and stable electrical parameters contribute to improved system durability and performance.
Provides adjustable output voltage from 1.2 V to -37 V with precision control. Delivers up to 1.5 A output current with overload and thermal protection. Low quiescent current enables energy-efficient operation. Excellent load and line regulation ensures voltage stability.
High ripple rejection reduces noise in sensitive electronic circuits. Thermally robust design suitable for high temperature environments. Easy to mount through-hole TO-220 package with compact dimensions. Suitable for use in industrial, laboratory, and power supply applications.
Explore the comprehensive range of STMicroelectronics Voltage Regulators at EnvMart for your electronic design and manufacturing needs.
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Frequently Asked Questions
The LM337SP provides an adjustable output voltage range from 1.2 V to -37 V.
This model can deliver an output current of up to 1.5 amperes.
The dimensions of this unit are 10.2 mm in length, 4.6 mm in width, and 15.75 mm in height.
The maximum input voltage for this voltage regulator is 40 volts.
It is designed for through-hole mounting, making it suitable for PCB applications.
The LM337SP has a low quiescent current of 100 microamperes.
This model features a high ripple rejection ratio of 77 dB, which helps reduce output noise.
It has a maximum operating temperature of 125°C and a thermal regulation factor of 0.002%.
This voltage regulator is suitable for industrial, laboratory, and electronic power supply applications requiring adjustable negative voltage regulation.
This model includes overload protection, thermal shutdown, and current limiting to ensure reliable operation under fault conditions.
It maintains an excellent line regulation of 0.01%, ensuring stable output voltage despite input variations.
The temperature coefficient of this voltage regulator is 50 ppm per degree Celsius.
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