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LM26420 - 产品图解：
LM26420-双路 2.0A，高效同步降压 DC-DC 稳压器
LM26420-转换器（集成开关）-DC/DC开关稳压器-电源管理
LM26420-LM26420/LM26420-Q0/Q1 Dual 2-A Automotive-Qualified, High-Efficiency Synchronous DC-DC Converter
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TI产品 - LM26420介绍

LM26420 - 双路 2.0A，高效同步降压 DC-DC 稳压器

LM26420是TI德州仪器公司的一款转换器（集成开关）产品，LM26420是双路 2.0A，高效同步降压 DC-DC 稳压器，本站介绍了LM26420的封装应用图解、特点和优点、功能等，并给出了与LM26420相关的TI元器件型号供参考。

LM26420 - 双路 2.0A，高效同步降压 DC-DC 稳压器 - 转换器（集成开关） - DC/DC开关稳压器 - 德州仪器

产品特性
  • Input Voltage Range of 3 V to 5.5 V
  • Output Voltage Range of 0.8 V to 4.5 V
  • 2-A Output Current per Regulator
  • High Switching Frequency: 2.2 MHz (LM26420X)  0.55 MHz (LM26420Y)
  • 0.8 V, 1.5% Internal Voltage Reference
  • Internal Soft-start
  • Independent Power Good and Precision Enable for Each Output
  • Current Mode, PWM Operation
  • Thermal Shutdown
  • Overvoltage Protection
  • Start-up into Pre-biased Output Loads
  • Regulators are 180° Out of Phase
  • LM26420-Q0: AEC-Q100 Grade 0 (Q0) Qualified (TJ = –40°C to 150°C) LM26420-Q1: AEC-Q100 Grade 1 (Q1) Qualified (TJ = –40°C to 125°C)
  • Compliant with CISPR25 Class 5 Conducted Emissions
产品应用
  • Local 5 V to Vcore of FPGAs
  • Core Power in HDDs and Set-Top Boxes
  • USB Powered Devices
  • Powering Core and I/O Voltages for CPUs and ASICs
  • Automotive Camera, Infotainment, and Clusters

    • space

产品说明

The LM26420 regulator is a monolithic, high-efficiency dual PWM step-down DC-DC converter. This device has the ability to drive two 2-A loads with an internal 75-mΩ PMOS top switch and an internal 50-mΩ NMOS bottom switch using state-of-the-art BICMOS technology results in the best power density available. The world-class control circuitry allow on times as low as 30 ns, thus supporting exceptionally high-frequency conversion over the entire 3-V to 5.5-V input operating range down to the minimum output voltage of 0.8 V.

Although the operating frequency is high, efficiencies up to 93% are easy to achieve. External shutdown is included, featuring an ultra-low standby current. The LM26420 utilizes current-mode control and internal compensation to provide high performance regulation over a wide range of operating conditions.

产品器件信息
PART NUMBERPACKAGEBODY SIZE (NOM)
LM26420HTSSOP (20)6.50 mm x 4.40 mm
WQFN (16)4.00 mm x 4.00 mm
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