開關調色溫控制芯片

WS9912是雙電源開關調色溫的專用芯片，根據輸入開關的動作控制兩個恒流電源的啟動和關閉，并有效解決了目前雙電源開關調色溫常用方案中碰到的問題，例如：多個電源同時應用時的邏輯不一致或LED鋁基板感應漏電時出現的邏輯狀態(tài)不正常等。\n\nWS9912采用SOT23-6封裝形式。 ? 外圍電路簡潔\n? 同步性好\n? 兼容隔離和非隔離應用\n? 開關切換有效保持時間外部可調\n? 鋁基板有感應漏電時狀態(tài)切換正常;

Winsemi

穩(wěn)先微電子

Hollow space floor box system: 9912T

Features: Delivery cond.: Complete and pre-assembled

文件：448.3 Kbytes 頁數：1 Pages

BURLAND

AC-DC LED DRIVER 85~265V AC INPUT LED CONSTANT CURRENT DRIVER

FEATURES ? Switch mode controller for single switch LED Drivers ? Open loop peak current controller ? Wide Input range from 8VDC~450VDC or 110VAC/220AC ? Application from a few mA to more than 1A output ? Up to hundreds of LEDs ? Constant off-time operation ? Linear and PWM dimming capabili

文件：371.25 Kbytes 頁數：10 Pages

AITSEMI

創(chuàng)瑞科技

1 GSPS Direct Digital Synthesizer w/ 14-bit DAC

GENERAL DESCRIPTION The AD9912 is a direct digital synthesizer (DDS) that features an integrated 14-bit digital-to-analog converter (DAC). The AD9912 features a 48-bit frequency tuning word (FTW) that can synthesize frequencies in step sizes no larger than 4 μHz. Absolute frequency accuracy can b

文件：113.59 Kbytes 頁數：3 Pages

AD

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