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电源技术  Lakewood (MAXREFDES7#)3.3V Input, ±12V (±15V) Output Isolated Power Supply

Abstract: This document details the Lakewood (MAXREFDES7#) subsystem reference design, a 3.3V input, &plusmn;12V (&plusmn;15V) output, isolated power supply. The Lakewood reference design includes a 3W primary-side transformer H-bridge driver for isolated supplies, and two wide input range and adjus ...

https://www.eeworm.com/dl/505/23296.html

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电源技术  电感开关稳压器提高输入电压

Abstract: Uses the MAX641 switching controller and an external discrete charge pump to step up the input voltage. This circuitcan service low loads and is efficient when the output is two, three, four times the input voltage. Adding the MAX627 MOSdriver can further increase the output current capa ...

https://www.eeworm.com/dl/505/24146.html

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电源技术  双x波段电压控制振荡器研究

In this paper, two types of MMIC voltage controlled oscillators have been successfully demonstrated. The first chip with single tuning diode shows the excellent tuning linearity. The second chip with two tuning diodes can improve the tuning bandwidth.

https://www.eeworm.com/dl/505/24237.html

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电源技术  简单、高效USB电源管理IC解决方案

&nbsp; Linear Technology offers a variety of devices that simplifyconverting power from a USB cable, but the LTC&reg;3455represents the highest level of functional integration yet. The LTC3455 seamlessly manages power flowbetween an AC adapter, USB cable and Li-ion battery,while complying with U ...

https://www.eeworm.com/dl/505/24270.html

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电源技术  MAX14885E VGA交叉开关电源排序

&nbsp; The MAX14885E, a 2:2 VGA switch, connects a VGA source to a VGA monitor. To ease direct connection to graphics controllers orthe ASIC, the MAX14885E has two supplies: VCC, a 5V &plusmn;5% supply, drives the VGA side interface; and the VL supply sets the logicswitching thresholds on the di ...

https://www.eeworm.com/dl/505/24288.html

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电源技术  快速,高效,独立型NiMH,NiCd电池充电

&nbsp; Although recent popular attention is focused on LithiumIon batteries, one must not forget that other batterychemistries, such as Nickel Cadmium (NiCd) and NickelMetal Hydride (NiMH) have advantages in rechargeablepower systems. Nickel-based batteries are robust, capableof high discharge r ...

https://www.eeworm.com/dl/505/24299.html

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电源技术  无需检测电阻的小型DFN封装电路断路器

&nbsp; Traditionally, an Electronic Circuit Breaker (ECB) comprisesa MOSFET, a MOSFET controller and a current senseresistor. The LTC&reg;4213 does away with the sense resistorby using the RDS(ON) of the external MOSFET. The resultis a simple, small solution that offers a signifi cant lowinserti ...

https://www.eeworm.com/dl/505/24312.html

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电源技术  三降压稳压器功能的1-Wire动态可编程输出电压

&nbsp; The LTC&reg;3569 is a compact power solution for handhelddevices. Its tiny 3mm &times; 3mm QFN package includesthree buck regulators with individually programmableoutput voltages. One regulator supports load currentsup to 1200mA, while the other two support currents to600mA. Two regulator ...

https://www.eeworm.com/dl/505/24330.html

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电源技术  DN458降压转换器简化低电压设计

&nbsp; Many system designers need an easy way to producea negative 3.3V power supply. In systems that alreadyhave a transformer, one option is to swap out the existingtransformer with one that has an additional secondarywinding. The problem with this solution is that manysystems now use transfor ...

https://www.eeworm.com/dl/505/24335.html

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电源技术  DN460双输出降压稳压器优化效率

&nbsp; The LTC3546 is a dual output current mode buck regulatorwith fl exible output current partitioning. Beyondthe advantages normally associated with dual outputregulators (reduced size, cost, EMI and part count, withimproved effi ciency), the LTC3546&rsquo;s outputs can bepartitioned for eit ...

https://www.eeworm.com/dl/505/24336.html

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