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AC/DC 和 DC/DC 转换器（集成 FET）

LM3495

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2.9V 至 18V、仿真峰值电流模式降压控制器

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open-in-new 比较替代米6体育平台手机版_好二三四
功能与比较器件相似
TPS546A24A 正在供货 具有引脚 Strap 配置和 PMBus 的 2.95V 至 18V、可堆叠 10A 同步 SWIFT™ 降压转换器 Upgraded PMBus and faster switching frequency.

LM3495

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米6体育平台手机版_好二三四详情

Rating Catalog Operating temperature range (°C) -40 to 125 Topology Buck Type Controller Iout (max) (A) 10 Vin (min) (V) 2.9 Vin (max) (V) 18 Switching frequency (min) (kHz) 200 Switching frequency (max) (kHz) 1500 Features Enable, Frequency synchronization, Tracking Control mode current mode Vout (min) (V) 0.6 Vout (max) (V) 5.5 Iq (typ) (µA) 1800 Duty cycle (max) (%) 94
Rating Catalog Operating temperature range (°C) -40 to 125 Topology Buck Type Controller Iout (max) (A) 10 Vin (min) (V) 2.9 Vin (max) (V) 18 Switching frequency (min) (kHz) 200 Switching frequency (max) (kHz) 1500 Features Enable, Frequency synchronization, Tracking Control mode current mode Vout (min) (V) 0.6 Vout (max) (V) 5.5 Iq (typ) (µA) 1800 Duty cycle (max) (%) 94
TSSOP (PW) 16 32 mm² 5 x 6.4
  • Input Voltage from 2.9V to 18V
  • Output Voltage Adjustable from 0.6V to 5.5V
  • Feedback Accuracy: ±1%
  • Low-Side Sensing, Programmable Current Limit without Sense Resistor
  • Input Under Voltage Lockout
  • Hiccup Mode Current Limit Protection Eliminates Thermal Runaway During Fault Conditions
  • Internal Soft Start with Tracking Capability
  • 200 kHz to 1.5 MHz Switching Frequency, Synchronizable
  • On-Chip Gate Drivers
  • Soft Output Discharge During Shutdown
  • Startup into Output Pre-Bias
  • Operation from a Single Input Rail
  • Adaptive Duty Cycle Limit
  • TSSOP-16 Package

All trademarks are the property of their respective owners.

  • Input Voltage from 2.9V to 18V
  • Output Voltage Adjustable from 0.6V to 5.5V
  • Feedback Accuracy: ±1%
  • Low-Side Sensing, Programmable Current Limit without Sense Resistor
  • Input Under Voltage Lockout
  • Hiccup Mode Current Limit Protection Eliminates Thermal Runaway During Fault Conditions
  • Internal Soft Start with Tracking Capability
  • 200 kHz to 1.5 MHz Switching Frequency, Synchronizable
  • On-Chip Gate Drivers
  • Soft Output Discharge During Shutdown
  • Startup into Output Pre-Bias
  • Operation from a Single Input Rail
  • Adaptive Duty Cycle Limit
  • TSSOP-16 Package

All trademarks are the property of their respective owners.

The LM3495 is a PWM buck regulator which implements a unique emulated peak current mode control. This control method eliminates the switching noise which typically limits current mode operation at extremely short duty cycles and high operating frequency. The switching frequency is programmable between 200 kHz and 1.5 MHz, and can also be synchronized to an external clock. The LM3495 is also very fault tolerant with both switch node short, hiccup mode, and adaptive duty cycle limit protection. A 0.6V 1% reference and glitch free pre-biased start-up ensure the most demanding digital loads operate reliably. Internal soft start and the ability to track the output of another supply make the LM3495 versatile and efficient.

The LM3495 is a PWM buck regulator which implements a unique emulated peak current mode control. This control method eliminates the switching noise which typically limits current mode operation at extremely short duty cycles and high operating frequency. The switching frequency is programmable between 200 kHz and 1.5 MHz, and can also be synchronized to an external clock. The LM3495 is also very fault tolerant with both switch node short, hiccup mode, and adaptive duty cycle limit protection. A 0.6V 1% reference and glitch free pre-biased start-up ensure the most demanding digital loads operate reliably. Internal soft start and the ability to track the output of another supply make the LM3495 versatile and efficient.
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类型 标题 下载最新的英语版本 日期
* 数据表 LM3495 Emulated Peak Current Mode Buck Controller for Low Output Voltage 数据表 (Rev. F) 2013年 4月 4日

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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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