DC519A

Mfr. #:: DC519A
製造商:: Analog Devices Inc.
描述:: Power Management IC Development Tools LT1940EFE - 1.1MHz Dual Step-Down DC/DC
生命週期:: 製造商新產品
數據表:: DC519A 數據表
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更多信息:: DC519A 更多信息 DC519A Product Details

產品屬性
屬性值

製造商：: 模擬設備公司

產品分類：: 電源管理 IC 開發工具

RoHS：: Y

產品：: 演示板

類型：: 穩壓器 - 開關穩壓器

工具用於評估：: LT1940

輸入電壓：: 4.8 V to 14 V

輸出電壓：: 1.8 V, 3.3 V

輸出電流：: 1 A

系列：: LT1940

品牌：: 模擬設備公司

產品類別：: 電源管理 IC 開發工具

出廠包裝數量：: 1

子類別：: 開發工具

Tags: DC51, DC5

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Step1:
Vacuum Packaging with PL

Step2:
Anti-Static Bag

Step3:
Packaging Boxes

DC519A 描述

***ical: LT1940 DC to DC Converter and Switching Regulator Chip 1.8VDC/3.3VDC Output Demonstration Circuit

***va Crawler: LT1940EFE | Dual Output Buck, 2 Circuits, 4.8V = VIN1 = 14V, Vout1= 3.3V & 1.8V @ 1A; 6.8V = VIN2 = 25V, Vout2 = 5V & 3.3V @ 1.4A

***ark: Demo Board, 1A Buck Conv; Silicon Manufacturer:linear Technology; Silicon Core Number:lt1940; Kit Application Type:power Management - Voltage Regulator; Application Sub Type:buck Converter; Kit Contents:demo Board Lt1940 Rohs Compliant: Na

***log Devices: The LT1940 is a dual current mode PWM step-down DC/DC converter with internal 2A power switches. Both converters are synchronized to a single 1.1MHz oscillator and run with opposite phases, reducing input ripple current. The output voltages are set with external resistor dividers, and each regulator has independent shutdown and soft-start circuits. Each regulator generates a power-good signal when its output is in regulation, easing power supply sequencing and interfacing with microcontrollers and DSPs. The LT1940’s 1.1MHz switching frequency allows the use of tiny inductors and capacitors, resulting in a very small dual 1.4A output solution. Constant frequency and ceramic capacitors combine to produce low, predictable output ripple voltage. With its wide input range of 3.6V to 25V, the LT1940 regulates a wide variety of power sources, from 4-cell batteries and 5V logic rails to unregulated wall transformers, lead acid batteries and distributed-power supplies. The LT1940L is intended to operate from regulated 5V supplies. A current mode PWM architecture provides fast transient response with simple compensation components and cycle-by-cycle current limiting. Frequency foldback and thermal shutdown provide additional protection. Applications Disk Drives DSP Power Supplies Wall Transformer Regulation Distributed Power Regulation DSL Modems Cable Modems

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