V300B28T250BL3

工业品

价格：￥2338.44价格含税（税率13%）

品牌名称: VICOR
商品型号: V300B28T250BL3
商品编号: C6589959
商品毛重: 1克(g)

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产品特点 FEATURES

1 DC-DC converter module from VICOR's 300V Mini Family (model V300B28T250BL3)

2 Input voltage range: 180-375VDC, surge withstand capability up to 400V for 100ms

3 Output parameters: 28V DC, 250W rated power

4 High efficiency: up to 88.6% (nominal input, 75% load, 25°C)

5 Isolation voltage: 3000VRMS (input to output)

6 Power density: up to 100W per cubic inch

7 Advanced ZCS/ZVS switching architecture: low noise and high efficiency

8 Parallelable design: supports N+M fault tolerance for redundancy or higher power

9 Programmable output voltage: 10-110% of nominal value

10 Wide operating temperature: up to 100°C at full load (M-grade: -55 to +100°C)

11 Compact size: 2.28x2.2x0.5 inches (57.9x55.9x12.7mm), low height above board:0.43in (10.9mm)

12 RoHS compliant option available (with F/G pin style)

使用场景 APPLICATIONS

1 Off-line systems with auto-ranging or PFC front-end circuits

2 Industrial and process control equipment (e.g., PLC power supplies, motor drives)

3 Distributed power systems in telecom base stations or data centers

4 Automatic Test Equipment (ATE) for electronic component testing

5 Non-critical medical diagnostic equipment (critical life support requires Vicor's prior approval)

6 Power arrays requiring high power output or redundancy (e.g., parallel modules for industrial machinery)

注意事项 PRECAUTIONS

1 Do not exceed the rated load current under any conditions (normal, abnormal, or test)

2 For dynamic loads exceeding 25% of the rated current, consult Vicor Applications Engineering before use

3 Audible noise may occur under dynamic, light, or no-load conditions, which is normal

4 Remote sense function may need compensation circuitry to offset phase lag from external output leads or load impedance; protect sense leads against reversal, noise pickup, open circuit, or excessive resistance

5 If the application may draw more than the rated current, use a fast-acting electronic circuit breaker to protect the module

6 Do not exceed the maximum output capacitance specified in the Maxi, Mini, Micro Design Guide

7 When trimming down the output voltage: available power reduces proportionally; connect the trim-down resistor between SC and -S pins, and do not bypass the SC pin directly with a capacitor

8 When trimming up the output voltage: reduce the maximum output current proportionally; connect the trim-up resistor between SC and +S pins; do not trim above +10% of the nominal voltage (to avoid triggering overvoltage protection)

9 For parallel operation: use modules with the same input voltage, output voltage, and power level; for 3 or fewer modules, use an AC-coupled single-wire interface (0.001µF capacitors); for 4 or more modules, use a transformer-coupled interface or PR buffer circuit

10 Storage requirements: Keep in ESD-safe packaging, store at 15-38°C with non-condensing humidity

11 Soldering: Follow the procedures in the Maxi, Mini, Micro Design Guide; pin finishes vary (tin/lead or gold) depending on the option

12 Critical life support: This product is not authorized for use in critical life support devices or systems without Vicor's prior written approval