QH7938中文資料ETC數(shù)據(jù)手冊(cè)PDF規(guī)格書
| 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 | List of Unclassifed Manufacturers |
| 企業(yè)簡(jiǎn)稱 |
ETC |
| 中文名稱 | 未分類制造商 |
| 原廠標(biāo)識(shí) |  |
| 數(shù)據(jù)手冊(cè) | |
| 更新時(shí)間 | 2025-2-4 11:00:00 |
QH7938規(guī)格書詳情
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 |
2021+ |
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) | ||
TOSHIBA/東芝 |
23+ |
QFP44 |
50000 |
全新原裝正品現(xiàn)貨,支持訂貨 |
詢價(jià) | ||
TOSHIBA |
QFP |
699839 |
集團(tuán)化配單-有更多數(shù)量-免費(fèi)送樣-原包裝正品現(xiàn)貨-正規(guī) |
詢價(jià) | |||
FUJ |
00+ |
SOP44 |
2123 |
全新原裝100真實(shí)現(xiàn)貨供應(yīng) |
詢價(jià) | ||
Fujitsu |
20+ |
QFP |
500 |
樣品可出,優(yōu)勢(shì)庫(kù)存歡迎實(shí)單 |
詢價(jià) | ||
Fujitsu |
24+ |
QFP |
5000 |
只做原裝公司現(xiàn)貨 |
詢價(jià) | ||
SHALP |
24+ |
DIP-42 |
1 |
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) | ||
FUJ |
SOP44 |
68500 |
一級(jí)代理 原裝正品假一罰十價(jià)格優(yōu)勢(shì)長(zhǎng)期供貨 |
詢價(jià) | |||
TOSH |
92+ |
QFP100 |
2100 |
全新原裝進(jìn)口自己庫(kù)存優(yōu)勢(shì) |
詢價(jià) |
