VIPER27LN

Name: VIPER27LN
Brand: STMicroelectronics NV
Availability: InStock
Rating: 4.5 (10 reviews)
Author: Lisleapex

High-voltage power supply

9,569 Effective Inventory

VIPER27LN

Effective Inventory9,569

High-voltage power supply

Manufacturer Part # : VIPER27LN
Package/Case: PDIP 7
Part Status : ACTIVE
Brand: STMicroelectronics NV
Product Categories : AC DC Converters, Offline Switches
Series : VIPER27
RoHS:

Quality Assurance

All parts procured from our supply chain network undergo a rigorous incoming inspection process. This meticulous inspection ensures that the parts received by our customers are authentic and meet the required standards. Additionally, we maintain detailed records of these inspections to ensure transparency and traceability throughout the supply chain.

Certification

We have successfully obtained various certification standards and have established our own professional testing laboratory. This ensures that every product we supply to our customers meets the highest quality standards. We adhere to strict testing protocols to maintain the consistency and accuracy of our products. To ensure that our products are original and genuine, we also collaborate with reputable third-party testing facilities to conduct rigorous quality testing. Our commitment to quality extends to meeting industry, legal, regulatory, and ISO 9001:2015 requirements.

Shipping & Payment

About Shipping

We generally ship orders within a few business days through reliable shipping carriers such as FedEx, SF, UPS, or DHL. We also have support for other shipping methods. If you would like to inquire about specific shipping details or costs, please don't hesitate to reach out to us.

About Payment

We accept various payment methods, including VISA, MasterCard, UnionPay, Western Union, PayPal, and other channels.

If you have a specific payment method in mind or would like to inquire about rates and other details, please feel free to contact us.

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Service & Packaging

About After Sales Service

All Parts Extended Quality Guarantee

Initiate the application within 90 days from the shipment date.

Confirm the return or exchange with our staff.

Maintain the goods in their original condition as received.

Lastly, please note that the eligibility for return or exchange of goods is subject to an assessment of the actual condition of the returned items. We will evaluate the received goods before finalizing the return or exchange process. If you have any inquiries or require further assistance regarding returns or exchanges, please don't hesitate to contact us at [email protected]

About packaging

Regarding packaging, our products are carefully packed in anti-static bags to provide ESD anti-static protection. The outer packaging is durable with secure closure. We support various packaging methods such as Tape and Reel, Cut Tape, Tube, or Tray.

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VIPER27LN DataSheet

Pricing (USD)

Quantity	Unit Price	Ext. Price
1	$0.705	$0.70
10	$0.595	$5.95
50	$0.539	$26.95
100	$0.498	$49.80
500	$0.465	$232.50
1000	$0.448	$448.00

These prices are subject to market fluctuations, and a quote submission is required to obtain the latest prices.

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Please submit RFQ for VIPER27LN or email to us: Email: [email protected], we will contact you in 12 hours.

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VIPER27LN Details

The VIPER27LN is a switching controller from STMicroelectronics, designed for use in power supplies and other applications where reliable power control is required. This device features current-mode operation, a high-frequency pulse-width modulation (PWM) scheme, and adjustable overvoltage protection, making it suitable for a wide range of industrial and consumer applications.

Key Features

800 V Avalanche Rugged Power Section: Provides reliable power control and protection up to 800V.
PWM Operation with Frequency Jittering for Low EMI: Offers efficient power conversion and minimal electromagnetic interference (EMI).
Operating Frequency: 60 kHz (L-Type), 115 kHz (H-Type): Supports two modes of operation suitable for different applications.
Standby Power < 50 mW at 265 Vac: Provides low power consumption during standby mode.
Limiting Current with Adjustable Set Point: Allows for flexible current limiting and adjustment to suit specific application requirements.
Adjustable Overvoltage Protection: Offers protection against overvoltage conditions and adjustable sensitivity for different applications.

Applications

The VIPER27LN is suitable for use in a variety of power supply applications, including DC/DC converters, AC/DC converters, and inverters. It can also be used in applications where high-speed switching and pulse-width modulation are required.

Where to Use

The VIPER27LN is designed for use in a wide range of industrial and consumer applications where reliable power control and protection are required. Some examples include:

Power supplies for industrial automation equipment
DC/DC converters for computing and communication systems
AC/DC converters for home appliances and industrial equipment
Inverters for motor control and renewable energy applications

How to Use

To use the VIPER27LN, simply follow these steps:

Connect the power supply input (VIN) to the device pin 1.
Connect the ground reference (GND) to the device pins 2 and 7.
Connect the output voltage (VOUT) to the device pin 3.
Adjust the driver input (DI) and driver output enable (DE) signals as required for your specific application.

(Tip: For detailed usage instructions, refer to the datasheet.)

Application Circuit

The application circuit diagram for the VIPER27LN illustrates how to connect the device in a typical power supply application. It includes connections for power input, ground reference, and output voltage.

(Tip: For detailed circuit diagram connections and usage guide, refer to the datasheet.)

Equivalents

UC3745A: A similar current-mode PWM controller from Texas Instruments offering comparable features and performance.
IW6300ZL: An alternative current-mode PWM controller from International Rectifier with equivalent functionality.

Complementary

The VIPER27LN can be complemented by other STMicroelectronics devices, such as the VIPERR17L or VIPERR52B, which offer additional features and capabilities for more demanding power supply applications.

When selecting complementary devices, ensure that their features and specifications align with your specific application requirements for optimal performance and compatibility.

Frequently Asked Questions

Q: What is the operating frequency range of the VIPER27LN?

A: The VIPER27LN supports two modes of operation with frequencies of 60 kHz (L-Type) and 115 kHz (H-Type). For more details, refer to the datasheet for specific operating conditions and limitations.

Q: Can the VIPER27LN be used in automotive applications?

A: Yes, the VIPER27LN is suitable for use in automotive power supply applications, offering high-speed switching and reliable protection against harsh environments.