QH7938中文資料ETC數(shù)據(jù)手冊(cè)PDF規(guī)格書(shū)
| 廠商型號(hào) |
QH7938 |
| 功能描述 | Dimmable primary-side feedback single-stage active PFC LED constant current control chip |
| 文件大小 |
448.39 Kbytes |
| 頁(yè)面數(shù)量 |
9 頁(yè) |
| 生產(chǎn)廠商 | ETC List of Unclassifed Manufacturers |
| 中文名稱 | 未分類制造商 |
| 數(shù)據(jù)手冊(cè) | |
| 更新時(shí)間 | 2025-8-15 15:01:00 |
| 人工找貨 | QH7938價(jià)格和庫(kù)存，歡迎聯(lián)系客服免費(fèi)人工找貨 |
QH7938規(guī)格書(shū)詳情
特性 Features
? Single-stage, active power factor correction, high PF value, low THD
? Primary feedback constant current control, no need for secondary feedback circuit
? With dimming interface
? ±3 LED output current accuracy
? Excellent line voltage regulation and load regulation
? Inductor current critical continuous mode
? Ultra-low (28uA) startup current
? FB feedback resistor value is high and power consumption is low
? LED open/short circuit protection
? Current sampling resistor open circuit protection
? Cycle-by-cycle primary current limit
? Chip power supply overvoltage/undervoltage protection
? Automatic restart function
? Overheating adjustment function
? Overheating adjustment temperature can be set externally
? Using SOP-8 package
| 供應(yīng)商 | 型號(hào) | 品牌 | 批號(hào) | 封裝 | 庫(kù)存 | 備注 | 價(jià)格 |
|---|---|---|---|---|---|---|---|
BPS |
2447 |
SOP8 |
100500 |
一級(jí)代理專營(yíng)品牌!原裝正品,優(yōu)勢(shì)現(xiàn)貨,長(zhǎng)期排單到貨 |
詢價(jià) | ||
MOSART |
2025+ |
TQFP |
3485 |
全新原廠原裝產(chǎn)品、公司現(xiàn)貨銷售 |
詢價(jià) | ||
ST |
22+ |
QFP |
25000 |
只有原裝原裝,支持BOM配單 |
詢價(jià) | ||
TOSHIBA/東芝 |
24+ |
NA/ |
3720 |
原廠直銷,現(xiàn)貨供應(yīng),賬期支持! |
詢價(jià) | ||
MOSART |
23+ |
TQFP |
3000 |
一級(jí)代理原廠VIP渠道,專注軍工、汽車、醫(yī)療、工業(yè)、 |
詢價(jià) | ||
TOSH |
23+ |
QFP100 |
20000 |
全新原裝假一賠十 |
詢價(jià) | ||
MOSART |
24+ |
TQFP |
2789 |
全新原裝自家現(xiàn)貨!價(jià)格優(yōu)勢(shì)! |
詢價(jià) | ||
2023+ |
SMD |
3000 |
進(jìn)口原裝現(xiàn)貨 |
詢價(jià) | |||
TOSH |
2016+ |
QFP |
6528 |
只做進(jìn)口原裝現(xiàn)貨!或訂貨,假一賠十! |
詢價(jià) | ||
ST |
22+ |
QFP |
25000 |
只有原裝絕對(duì)原裝,支持BOM配單! |
詢價(jià) |
