DC182A

Mfr. #:: DC182A
製造商:: Analog Devices Inc.
描述:: Power Management IC Development Tools LT1786FCS - FLOATING/GROUNDED CCFL POWER
生命週期:: 製造商新產品
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ECAD Model:
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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：: LT1786FCS

系列：: LT1786

品牌：: 模擬設備公司

用於：: DC1223

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: DC182, DC18, DC1

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We guarantee 100% customer satisfaction.

Quality Guarantees

We provide 90-360 days warranty.

If the items you received were not in perfect quality, we would be responsible for your refund or replacement, but the items must be returned in their original condition.
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we buy and manage excess electronic components, including excess inventory identified for disposal.
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Email: [email protected]

Step1:
Vacuum Packaging with PL

Step2:
Anti-Static Bag

Step3:
Packaging Boxes

DC182A 描述

***ark: Lt1786fcs Floating/Grounded Ccfl Power Supply With Smbus Control (Req. Dc1223)

***hardson RFPD: SEMICONDUCTOR DESIGNER KIT

***i-Key: BOARD EVAL FOR LT1786FCS

***log Devices: The LT1786F is a fixed frequency, current mode, switching regulator that provides the control function for Cold Cathode Fluorescent Lighting (CCFL). The IC includes an efficient high current switch, an oscillator, output drive logic, control circuitry and a micropower 6-bit 100µA full-scale current output DAC. The DAC provides simple “bits-to-lamp-current control” and communicates using the 2-wire SMBus serial interface. The LT1786F acts as an SMBus slave device using one of two selectable SMBus addresses set by the address pin ADR. On Power-up, the DAC output current assumes midrange or zero scale, depending on the logic state of the ADR pin.The entire IC can be shut down through the SMBSUS pin or by setting the SHDN bit = 1 in the SMBus command byte. Digital data for the DAC output current is retained internally and the supply current drops to 40µA for standby operation. The active low SHDN pin disables the CCFL control circuitry, but keeps the DAC alive. Supply current in this operating mode drops to 150µA. The LT1786F control circuitry operates from a logic supply voltage of 3.3V or 5V. The IC also has a battery supply pin that operates from 4.5V to 30V. The LT1786F draws 6mA typical quiescent current. A 200kHz switching frequency minimizes magnetic component size. Current mode switching techniques with cycle-by-cycle limiting gives high reliability and simple loop frequency compensation. The LT1786F is available in a 16-pin narrow SO package. Applications Notebook and Palmtop Computers Portable Instruments Personal Digital Assistants

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