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LM27342-Q1的基本参数
  • 制造厂商:TI
  • 产品类别:电源管理
  • 技术类目:直流/直流开关稳压器 - 降压稳压器
  • 功能描述:2A - 具有频率同步的宽输入范围降压稳压器
  • 点击这里打开及下载LM27342-Q1的技术文档资料
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LM27342-Q1的产品详情:

The LM2734x and LM2734x-Q1 regulators are monolithic, high-frequency, PWM step-down DC-DC converters in 10-pin WSON and 10-pin MSOP-PowerPAD packages. They contain all the active functions to provide local DC-DC conversion with fast transient response and accurate regulation in the smallest possible PCB area.

With a minimum of external components, the LM2734x and LM2734x-Q1 are easy to use. The ability to drive 1.5-A or 2-A loads respectively, with an internal 150-mΩ NMOS switch results in the best power density available. The world-class control circuitry allows for on-times as low as 65 ns, thus supporting exceptionally high frequency conversion. Switching frequency is internally set to 2 MHz and synchronizable from 1 to 2.35 MHz, which allows the use of extremely small surface mount inductors and chip capacitors. Even though the operating frequency is very high, efficiencies up to 90% are easy to achieve. External shutdown is included, which features an ultra-low shutdown current of 70 nA. The LM2734x and LM2734x-Q1 use peak current-mode control and internal compensation to provide high-performance regulation over a wide range of operating conditions. Additional features include internal soft-start circuitry to reduce inrush current, pulse-by-pulse current limit, thermal shutdown, and output overvoltage protection.

LM27342-Q1的优势和特性:
  • Space-Saving, 3 mm × 3 mm 10-Pin WSON and MSOP-PowerPAD Packages
  • Wide Input Voltage Range: 3 V to 20 V
  • Wide Output Voltage Range: 1 V to 18 V
  • LM27341 Delivers 1.5-A Maximum Output Current
  • LM27342 Delivers 2-A Maximum Output Current
  • High Switching Frequency: 2 MHz
  • Frequency Synchronization: 1 MHz < fSW < 2.35 MHz
  • 150-mΩ NMOS Switch With Internal Bootstrap Supply
  • 70-nA Shutdown Current
  • Internal Voltage Reference Accuracy of 1%
  • Peak Current-Mode, PWM Operation
  • Thermal Shutdown
  • LM27341-Q1 and LM27342-Q1 are AEC-Q100 Grade 1 Qualified and Manufactured on an Automotive Grade Flow
LM27342-Q1的参数(英文):
  • Vin (Min) (V)
  • 3
  • Vin (Max) (V)
  • 20
  • Vout (Min) (V)
  • 1
  • Vout (Max) (V)
  • 18
  • Iout (Max) (A)
  • 2
  • Iq (Typ) (uA)
  • 2400
  • Switching frequency (Min) (kHz)
  • 1750
  • Switching frequency (Max) (kHz)
  • 2300
  • Features
  • Light Load Efficiency
  • Rating
  • Automotive
  • Regulated outputs (#)
  • 1
  • Control mode
  • Current Mode
  • Duty cycle (Max) (%)
  • 93
LM27342-Q1具体的完整产品型号参数及价格(美元):

LM27342-Q1的完整型号有:LM27342QMY/NOPB、LM27342QMYX/NOPB,以下是这些产品的关键参数及官网采购报价:

LM27342QMY/NOPB,工作温度:-40 to 125,封装:HVSSOP (DGQ)-10,包装数量MPQ:1000个,MSL 等级/回流焊峰值温度:Level-3-260C-168 HR,引脚镀层/焊球材料:SN,TI官网LM27342QMY/NOPB的批量USD价格:1.604(1000+)

LM27342QMYX/NOPB,工作温度:-40 to 125,封装:HVSSOP (DGQ)-10,包装数量MPQ:3500个,MSL 等级/回流焊峰值温度:Level-3-260C-168 HR,引脚镀层/焊球材料:SN,TI官网LM27342QMYX/NOPB的批量USD价格:1.371(1000+)

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LM27342-Q1的评估套件:

LM27342MYEVAL — 具有频率同步功能的 LM27342MY(10 引脚 eMSOP)2MHz 2A 宽输入降压稳压器 EVM

The LM27342 demonstration board is designed to provide the power supply design engineer with a fully functional regulator design which can be synchronized to an external clock between 1000 kHz and 2350 kHz. The evaluation board provides a 3.3V output with a 2A current capability. The wide input (...)

LM27342SDEVAL — 具有频率同步功能的 LM27342 (10-Pin LLP) - 2MHz 2A 宽输入降压稳压器 EVM

The LM27342 demonstration board is designed to provide the power supply design engineer with a fully functional regulator design which can be synchronized to an external clock between 1000 kHz and 2350 kHz. The evaluation board provides a 3.3V output with a 2A current capability. The wide input (...)

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