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UC3524A 高级稳压脉宽调制器

UC3524A 描述

The UC1524A family of regulating PWM ICs has been designed to retain the same highly versatile architecture of the industry standard UC1524 (SG1524) while offering substantial improvements to many of its limitations. The UC1524A is pin compatible with "non-A" models and in most existing applications can be directly interchanged with no effect on power supply performance. Using the UC1524A, however, frees the designer from many concerns which typically had required additional circuitry to solve.

The UC1524A includes a precise 5V reference trimmed to ±1% accuracy, eliminating the need for potentiometer adjustments; an error amplifier with an input range which includes 5V, eliminating the need for a reference divider; a current sense amplifier useful in either the ground or power supply output lines; and a pair of 60V, 200mA uncommitted transistor switches which greatly enhance output versatility.

  UC1524A UC2524A UC3524A
Topology Boost, Flyback, Forward, Full-Bridge, Half-Bridge, Push-Pull Boost, Flyback, Forward, Full-Bridge, Half-Bridge, Push-Pull Boost, Buck, Flyback, Forward, Full-Bridge, Half-Bridge, Push-Pull
Control Method Voltage Mode Voltage Mode Voltage Mode
Duty Cycle(Max)(%) 50 50 50
Frequency(Max)(kHz) 450 450 450
UVLO Thresholds On/Off(V) 7.5/7 7.5/7 7.5/7
Pin/Package 16CDIP, 20LCCC 16PDIP, 16SOIC 16SOIC
Regulated Outputs(#) 2 2 2
Operating Temperature Range(°C) -55 to 125 -40 to 85 0 to 70
Rating Military Catalog Catalog
UC3524A 特性
UC3524A 芯片订购指南
器件 状态 温度 (oC) 价格（美元） 封装 | 引脚 封装数量 | 封装载体 丝印标记
UC3524ADW ACTIVE -40 to 85 1.00 | 1ku SOIC (DW) | 16 40 | TUBE UC3524ADW
UC3524ADWG4 ACTIVE -40 to 85 1.00 | 1ku SOIC (DW) | 16 40 | TUBE UC3524ADW
UC3524ADWTR ACTIVE -40 to 85 0.90 | 1ku SOIC (DW) | 16 2000 | LARGE T&R UC3524ADW
UC3524ADWTRG4 ACTIVE -40 to 85 0.90 | 1ku SOIC (DW) | 16 2000 | LARGE T&R UC3524ADW
UC3524AN ACTIVE -40 to 85 1.00 | 1ku PDIP (N) | 16 25 | TUBE UC3524AN
UC3524ANG4 ACTIVE -40 to 85 1.00 | 1ku PDIP (N) | 16 25 | TUBE UC3524AN
UC3524A 质量与无铅数据
器件 环保计划* 铅/焊球涂层 MSL 等级/回流焊峰 环保信息与无铅 (Pb-free) DPPM / MTBF / FIT 率
UC3524ADW Green (RoHS & no Sb/Br) CU NIPDAU Level-2-260C-1 YEAR   UC3524ADW
UC3524ADWG4 Green (RoHS & no Sb/Br) CU NIPDAU Level-2-260C-1 YEAR UC3524ADWG4 UC3524ADWG4
UC3524ADWTR Green (RoHS & no Sb/Br) CU NIPDAU Level-2-260C-1 YEAR   UC3524ADWTR
UC3524ADWTRG4 Green (RoHS & no Sb/Br) CU NIPDAU Level-2-260C-1 YEAR UC3524ADWTRG4 UC3524ADWTRG4
UC3524AN Green (RoHS & no Sb/Br) CU NIPDAU N/A for Pkg Type   UC3524AN
UC3524ANG4 Green (RoHS & no Sb/Br) CU NIPDAU N/A for Pkg Type UC3524ANG4 UC3524ANG4
UC3524A 应用技术支持与电子电路设计开发资源下载
  1. UC3524A 数据资料 dataSheet 下载.PDF
  2. TI 德州仪器AC/DC 和 DC/DC 电源产品选型与价格参考 . xls
  3. Dual MOSFET Driver (PDF 498 KB)
  4. 标准线性产品交叉参考 (Rev. D) (PDF 1058 KB)
  5. 模数规格和性能特性术语表 (Rev. A) (PDF 1993 KB)
  6. 所选封装材料的热学和电学性质 (PDF 645 KB)
  7. 高速数据转换 (PDF 1967 KB)
  8. Shelf-Life Evaluation of Lead-Free Component Finishes (PDF 1305 KB)
  9. Analog-to-Digital Converter Grounding Practices Affect System Performance (PDF 56 KB)
  10. Principles of Data Acquisition and Conversion (PDF 50 KB)
  11. Interleaving Analog-to-Digital Converters (PDF 64 KB)
  12. What Designers Should Know About Data Converter Drift (PDF 95 KB)
  13. Giving Delta-Sigma Converters a Gain Boost with a Front End Analog Gain Stage (PDF 70 KB)
  14. Programming Tricks for Higher Conversion Speeds Utilizing Delta Sigma Converters (PDF 105 KB)
UC3524A 工具与软件
名称 型号 公司 工具/软件类型
音频的快速搜索选择工具 AUDIO_SELECTION_TOOL Texas Instruments 免费评估工具
UC3524A 评估模块 UC3524AEVM Texas Instruments 开发电路板/EVM
用于音频转换器的软件驱动程序 CODECDRIVERS-SW Texas Instruments 应用软件