Model & package intelligence
Model text, package form, tray or reel details, and visual evidence are reviewed together before RFQ feedback.
ST VIPER28LN Offline Switching Regulator VIPER28LN
Configuration
1 options
Configuration
22+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- ST(STMicroelectronics) VIPER28LN
- Type
- ST
- Minimum package
- 2000 管
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- ST(STMicroelectronics)
- Electronic Component
- VIPER28LN
- Electronic Component
- 1
- Package
- DIP-7
- Electronic Component
- AC-DC Controllers and Regulators
- Electronic Component
- 0.48g
- Electronic Component
- 1
- Features
- (OTP); (SCP); (UVP); (OVP); (OCP)
- Electronic Component
- Electronic Component
- Electronic Component
- BM0000284023
- Electronic Component
- PWM
- Operating Temperature
- 40℃~+150℃
- Operating Voltage
- 8.5V~23.5V
- Switching Frequency
- 60kHz
- Electronic Component
- Electronic Component
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
VIPER28LN 产品概述
概述
VIPER28LN 是由意法半导体（STMicroelectronics）推出的一款高效的AC-DC控制器及稳压器，适用于各种电源转换应用。凭借其高达16W的输出功率与对输入电压范围的灵活支持（8.5V至23.5V），VIPER28LN适合在多个领域中广泛应用，包括家用电器、IT设备和工业应用。
关键特性
电源与拓扑
VIPER28LN采用反激拓扑，能够实现高效的AC至DC转换。其具有高达80%的占空比，意味着在进行功率调节时，能够优雅地维持高效能。开关频率
该设备具有60kHz的开关频率，使其在保持高效率的同时，能够有效地抑制开关损耗，从而提高整体电源的能效。这样的特性也减少了对散热设计的要求，简化了电路布局。输出隔离设计
VIPER28LN具有良好的输出隔离特性，有效保护下游电路免受损害，同时也提升了电源的整体安全性。这对于需要电气隔离的应用尤为重要，例如医疗设备和电气传感器。宽广的工作温度范围
设备的工作温度范围涵盖了-40°C至150°C，能够适应严酷的环境条件。这样的特性意味着VIPER28LN可以广泛应用于要求高耐温性能的场合，包括工业自动化和气候变化较大的环境。保护功能
VIPER28LN配备多重故障保护机制，包括限流、超温、过压及短路保护。这些保护特性能够自动应对各种异常情况，保护电源电路的稳定和安全工作，延长产品的使用寿命。封装与安装
VIPER28LN采用8-DIP封装，便于标准通孔安装，有助于快速的电路开发与原型设计。该器件的湿气敏感性等级（MSL）为1，这表明其在储存和处理方面具有极强的稳定性和便利性，适合于长期存储和大批量生产。
应用场景
- 家用电器：VIPER28LN可用于应用于洗衣机、冰箱和家用电器电源中，提升能效及安全性。
- 消费电子：适用于个人电脑、电视和其他消费类电子产品的电源管理，保持稳定的输出电压和电流。
- 工业设备：可广泛应用于工业控制系统、传感器和自动化设备中，其耐高温和稳健可靠的特性确保了电源的稳定性。
- LED驱动：在LED照明应用中，VIPER28LN可实现高效、稳定的驱动，提供无闪烁的明亮光源。
结论
总之，VIPER28LN是一款在效率、性能与安全性方面表现出色的AC-DC控制器，使其成为现代电源设计的理想选择。凭借其极佳的电气性能和广泛的应用范围，VIPER28LN不仅提供了可靠的电源解决方案，也简化了产品的设计与实现，为工程师在开发过程中提供了极大的便利。
Request for quote
Send RFQ
Use the form for single models, category sourcing, and multi-line BOM requirements.
Product sourcing intelligence
Model, package, availability, and BOM fit reviewed before quotation.
WMSIC turns product data, package visuals, BOM context, and sourcing signals into practical RFQ notes for buyers.
BOM matching & alternatives
BOM lines are compared by package, parameters, quantity, and workable alternatives for cleaner sourcing decisions.
Sourcing availability signal
Stock routes, quotation confidence, lead-time notes, and shipment feasibility are checked before sales follow-up.
Buyer sourcing scenarios
Examples of how common component sourcing requests are organized.
Typical RFQ scenarios based on the WMSIC form fields, catalog data, manual review steps, and shipment preparation workflow.
The buyer shares the full part number, package requirement, quantity, destination, and available product photos so the quotation can record the exact version under review.
A multi-line BOM is organized into direct sourcing lines, lines that need package clarification, and lines where alternative-part review is permitted.
The original manufacturer part number, datasheet revision, application, critical limits, and acceptable changes are collected before possible candidates are discussed.
Sample quantity, minimum packing, package format, target date, and courier destination are kept together in one RFQ conversation.
Package photos, model markings, board context, and the quantity needed for repair help focus the sourcing review on the relevant version.
When a suffix or package note is incomplete, the response records the open difference and requests buyer confirmation before procurement proceeds.
Packing format, carton notes, invoice details, courier option, destination, and tracking handoff are coordinated around the confirmed order.
The request connects the previously used model, current demand, package evidence, target timing, and replenishment sourcing route.
Related products
Packaged components ready for RFQ.
1 Piece Integrated Circuit for IRS20124S IRS21956S SOP-20 IRS2453DS SOP-14
- Model
- IRS20124S
- Package
