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MAXREFDES1234: Miniature 5W DC-DC Flyback Converter Using the MAX17596

MAXREFDES1234

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描述

Flyback converters are the preferred topology in isolated converters for medium and low power range applications due to their simplicity and economic considerations. As flyback converters are isolated converters, the output voltage and the current are traditionally regulated by utilizing the secondary side regulation (SSR) composed of an optocoupler and a secondary-error amplifier.

The MAXREFDES1234 is a miniature, isolated power supply that can deliver 5V at 1A of load current. The design uses the MAX17596 peak-current-mode controller operated in discontinuous-conduction mode (DCM) flyback topology to efficiently control the MOSFET switching, current sense, output-voltage feedback sense, and optimization. An additional bias winding provides a power supply to the device under operating conditions so that the primary winding of the flyback transformer can function at high input voltages up to 160V.

特征

  • Miniature Design Optimized for Small Size
  • 24V to 160V Input Range
  • Isolated Output of 5V DC at 5W
  • Cycle-by-Cycle Current Limit
  • Resistor-Programmable UVLO/OVI Threshold
  • Low-Cost DCM Flyback Design
  • Galvanic Isolation Up to 1500VRMS
  • Proven PCB Layout
  • Fully Assembled and Tested

  • MAXREFDES1234: Miniature 5W DC-DC Flyback Converter Using the MAX17596

    The MAXREFDES1234 is a miniature, isolated power supply that can deliver 5V at 1A of load current. MAXREFDES1234: Miniature 5W DC-DC Flyback Converter Using the MAX17596

  • MAXREFDES1234: Miniature 5W DC-DC Flyback Converter Using the MAX17596

    The MAXREFDES1234 is a miniature, isolated power supply that can deliver 5V at 1A of load current. MAXREFDES1234: Miniature 5W DC-DC Flyback Converter Using the MAX17596

The MAXREFDES1234 is a miniature, isolated power supply that can deliver 5V at 1A of load current.

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设计, 制作, 测试

图中的电路板已经完成封装和测试。不可售。

 

示意图

PCB布局

物料清单(BOM)

试验结果

参数化

输入类型 Vin(Min) Vin(Max) Iout(Max) 单路/多路输出 Vout(V) Pout(W) 隔离/非隔离 拓扑
DC 24 160 1 - 5 5 Isolated Flyback

参数化

输入类型 DC
Vin(Min) 24
Vin(Max) 160
Iout(Max) 1
单路/多路输出 -
Vout(V) 5
Pout(W) 5
隔离/非隔离 Isolated
拓扑 Flyback

Maxim设备 (1)

器件号 名称 产品线 购买 设计套件和评估模块
MAX17596 峰值电流模式控制器,用于构建反激和boost稳压器 隔离电源 立即购买 Design Kits

Maxim设备 (1)

器件号 产品线
隔离电源
峰值电流模式控制器,用于构建反激和boost稳压器

设计资料 (4)

标题 类型 尺寸 日期
maxrefdes1234-bom PDF 374KB 2019-09-03
maxrefdes1234-pcb PDF 696KB 2019-09-03
maxrefdes1234-schematic PDF 23KB 2019-09-03
TTS MAXREFDES Test Results Template_Rev 0_0318 PDF 965KB 2019-09-03
日期 类型
2019-09-03

maxrefdes1234-bom

(PDF, 374KB)

2019-09-03

maxrefdes1234-pcb

(PDF, 696KB)

2019-09-03

maxrefdes1234-schematic

(PDF, 23KB)

2019-09-03

TTS MAXREFDES Test Results Template_Rev 0_0318

(PDF, 965KB)

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