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LM25037

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具有交替输出、工作温度范围为 -40°C 至 125°C 的 5.5V 至 75V、1.2A 栅极驱动器、双模式 PWM 控制器

产品详情

Topology Full bridge, Half bridge, Push pull Control mode Current Duty cycle (max) (%) 96 Switching frequency (max) (kHz) 2000 Features Adjustable switching frequency, Current limiting, High-voltage startup, Multi-topology, Programmable max duty cycle, Programmable soft start, Synchronization pin UVLO thresholds on/off (V) Programmable/1.25V Operating temperature range (°C) -40 to 125 Rating Catalog Gate drive (typ) (A) 1.2 Vin (max) (V) 14
Topology Full bridge, Half bridge, Push pull Control mode Current Duty cycle (max) (%) 96 Switching frequency (max) (kHz) 2000 Features Adjustable switching frequency, Current limiting, High-voltage startup, Multi-topology, Programmable max duty cycle, Programmable soft start, Synchronization pin UVLO thresholds on/off (V) Programmable/1.25V Operating temperature range (°C) -40 to 125 Rating Catalog Gate drive (typ) (A) 1.2 Vin (max) (V) 14
TSSOP (PW) 16 32 mm² 5 x 6.4
  • Qualified for Automotive Applications
  • AEC-Q100 Qualified With the Following Results:
    • Device Temperature Grade 1: -40°C to +125°C Operating Junction Temperature
    • Device HBM ESD Classification Level 2
    • Device CDM ESD Classification Level C4B
  • Alternating Outputs for Double-Ended Topologies
  • Ultra Wide Input Operating Range from 5.5 V to 75 V
  • Current-Mode or Feed-Forward Voltage-Mode Control
  • Programmable Maximum Duty Cycle Limit
  • 2% Feedback Reference Accuracy
  • High Gain-Bandwidth Error Amplifier
  • Programmable Line Undervoltage Lockout (UVLO) With Adjustable Hysteresis
  • Versatile Dual Mode Overcurrent Protection With Hiccup Delay Timer
  • Programmable Soft-Start
  • Precision 5-V Reference Output
  • Current Sense Leading Edge Blanking
  • Resistor Programmed 2-MHz Capable Oscillator
  • Oscillator Synchronization Capability With Low-Frequency Lockout Protection
  • 16-Pin TSSOP
  • Qualified for Automotive Applications
  • AEC-Q100 Qualified With the Following Results:
    • Device Temperature Grade 1: -40°C to +125°C Operating Junction Temperature
    • Device HBM ESD Classification Level 2
    • Device CDM ESD Classification Level C4B
  • Alternating Outputs for Double-Ended Topologies
  • Ultra Wide Input Operating Range from 5.5 V to 75 V
  • Current-Mode or Feed-Forward Voltage-Mode Control
  • Programmable Maximum Duty Cycle Limit
  • 2% Feedback Reference Accuracy
  • High Gain-Bandwidth Error Amplifier
  • Programmable Line Undervoltage Lockout (UVLO) With Adjustable Hysteresis
  • Versatile Dual Mode Overcurrent Protection With Hiccup Delay Timer
  • Programmable Soft-Start
  • Precision 5-V Reference Output
  • Current Sense Leading Edge Blanking
  • Resistor Programmed 2-MHz Capable Oscillator
  • Oscillator Synchronization Capability With Low-Frequency Lockout Protection
  • 16-Pin TSSOP

The LM25037 PWM controller contains all the features necessary to implement balanced double-ended power converter topologies, such as push-pull, half-bridge and full-bridge. These double-ended topologies allow for higher efficiencies and greater power densities compared to common single-ended topologies such as the flyback and forward. The LM25037 can be configured for either voltage mode or current mode control with minimum external components. Two alternating gate drive outputs are provided, each capable of 1.2-A peak output current. The LM25037 can be configured to operate directly from the input voltage rail over an ultra-wide range of 5.5 V to 75 V. Additional features include programmable maximum duty cycle limit, line undervoltage lockout, cycle-by-cycle current limit and a hiccup mode fault protection with adjustable timeout delay, soft-start and a 2-MHz capable oscillator with synchronization capability, precision reference and thermal shutdown.

The LM25037 PWM controller contains all the features necessary to implement balanced double-ended power converter topologies, such as push-pull, half-bridge and full-bridge. These double-ended topologies allow for higher efficiencies and greater power densities compared to common single-ended topologies such as the flyback and forward. The LM25037 can be configured for either voltage mode or current mode control with minimum external components. Two alternating gate drive outputs are provided, each capable of 1.2-A peak output current. The LM25037 can be configured to operate directly from the input voltage rail over an ultra-wide range of 5.5 V to 75 V. Additional features include programmable maximum duty cycle limit, line undervoltage lockout, cycle-by-cycle current limit and a hiccup mode fault protection with adjustable timeout delay, soft-start and a 2-MHz capable oscillator with synchronization capability, precision reference and thermal shutdown.

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类型 标题 下载最新的英语版本 日期
* 数据表 LM25037/-Q1 Dual-Mode PWM Controller With Alternating Outputs 数据表 (Rev. E) PDF | HTML 2016年 1月 15日
应用手册 设计适用于超声波智能探头的双极高压 SEPIC 电源 (Rev. A) PDF | HTML 英语版 (Rev.A) PDF | HTML 2023年 5月 31日
应用手册 患者监护仪中所用隔离式电源的拓扑选择 (Rev. A) PDF | HTML 英语版 (Rev.A) PDF | HTML 2021年 7月 20日
选择指南 电源管理指南 2018 (Rev. K) 2018年 7月 31日
选择指南 电源管理指南 2018 (Rev. R) 2018年 6月 25日
EVM 用户指南 AN-1861 LM25037 Evaluation Board (Rev. C) 2013年 5月 5日
应用手册 An Alternative Approach to Higher-Power Boost Converters 2009年 11月 30日

设计和开发

如需其他信息或资源,请点击以下任一标题进入详情页面查看(如有)。

评估板

LM25037EVAL — 用于 LM25037 的评估板 - 具有交流输出的双路 PWM 控制器

The LM25037 evaluation board is designed to provide the design engineer with a fully functional power converter based on push-pull topology to evaluate the LM25037 controller.

用户指南: PDF
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仿真模型

LM25037 PSpice Transient Model (Rev. B)

SNVM034B.ZIP (133 KB) - PSpice Model
仿真模型

LM25037 Unencrypted PSpice Transient Model

SNVMBL4.ZIP (7 KB) - PSpice Model
仿真模型

LM5037 TINA-TI Transient Reference Design

SNVM458.TSC (1264 KB) - TINA-TI Reference Design
仿真模型

LM5037 TINA-TI Transient Spice Model

SNVM457.ZIP (25 KB) - TINA-TI Spice Model
封装 引脚 下载
TSSOP (PW) 16 查看选项

订购和质量

包含信息:
  • RoHS
  • REACH
  • 器件标识
  • 引脚镀层/焊球材料
  • MSL 等级/回流焊峰值温度
  • MTBF/时基故障估算
  • 材料成分
  • 鉴定摘要
  • 持续可靠性监测
包含信息:
  • 制造厂地点
  • 封装厂地点

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