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MAXREFDES1016: 6.6W Dual-Phase Buck Converter Using MAX17509

MAXREFDES1016

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描述

The MAX17509 integrates two 3A internal switch stepdown regulators with programmable features. The device can be configured as two single-phase 3A power supplies or as one dual-phase, single-output 6A power supply. It operates from a 4.5V to 16V input and generates independently adjustable output voltage in the ranges of 0.904V to 3.782V and 4.756V to 5.048V, with ±2% system accuracy. This device provides maximum flexibility to the end-user by allowing to choose multiple programmable options by connecting resistors to the configuration pins. Two key highlights of the device are the self-configured compensation for any output voltage and the ability to program the slew rate of LX switching nodes to mitigate noise and EMI concerns. Noise-sensitive applications, such as high-speed multi-gigabit transceivers in FPGAs, RF, and audio applications, can benefit from this unique slew-rate control. SYNC input is provided for synchronized operation of multiple devices with system clocks.

The MAX17509 offers output overvoltage (OV) and undervoltage (UV) protection, as well as overcurrent (OC) and undercurrent (UC) protection with a selectable hiccup/latch option.

特征

  • Reduces Number of DC-DC Regulators in Inventory
  • Output Voltage (0.904V to 3.782V and 4.756V to 5.048V with 20mV Resolution)
  • Configurable Two Independent Outputs (3A/3A) or a Dual-Phase Single Output (6A)
  • Mitigate Noise Concerns and EMI
  • Adjustable Switching Frequency with Selectable 0/180° Phase Shift
  • External Frequency Synchronization
  • Adjustable Switching Slew Rate
  • Passes EN55022 (CISPR22) Class-B Radiated and Conducted EMI Standard
  • Ease of System Design
  • All Ceramic Capacitors Solution
  • Auto-Configured Internal Compensation Selectable Hiccup or Brick-Wall Mode
  • Adjustable Soft-Start Rise/Fall Time with Soft-Stop Modes and Prebias Startup

Icon

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 4.5 16 6 - 1.1 6.6 Non-Isolated Synchronous Buck

参数化

输入类型 DC
Vin(Min) 4.5
Vin(Max) 16
Iout(Max) 6
单路/多路输出 -
Vout(V) 1.1
Pout(W) 6.6
隔离/非隔离 Non-Isolated
拓扑 Synchronous Buck

Maxim设备 (1)

器件号 名称 产品线 购买 设计套件和评估模块
MAX17509 4.5V–16V、双路3A输出、高效、同步降压型DC-DC转换器,带电阻编程功能 开关稳压器 立即购买 Design Kits

Maxim设备 (1)

器件号 产品线
开关稳压器
4.5V–16V、双路3A输出、高效、同步降压型DC-DC转换器,带电阻编程功能

设计资料 (4)

标题 类型 尺寸 日期
maxrefdes1016-schematic PDF 287KB 2019-07-09
maxrefdes1016-pcb PDF 2MB 2019-07-09
marcom_bom_max17509_maxrefdes1016_demo_p1.csv PDF 208KB 2019-07-09
maxrefdes1016-test-results PDF 208KB 2019-07-09
日期 类型
2019-07-09

maxrefdes1016-schematic

(PDF, 287KB)

2019-07-09

maxrefdes1016-pcb

(PDF, 2MB)

2019-07-09

marcom_bom_max17509_maxrefdes1016_demo_p1.csv

(PDF, 208KB)

2019-07-09

maxrefdes1016-test-results

(PDF, 208KB)

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