SC445Q數(shù)據(jù)手冊Semtech中文資料規(guī)格書
SC445Q規(guī)格書詳情
描述 Description
The SC445 is a high-efficiency multiple string WLED driver with an integrated?boost?converter.
特性 Features
? Wide input voltage range from 4.5V to 27V
? Sustain fast Vin fluctuation up to 5v/μs
? 42V maximum output voltage
? Drives up to 40 WLEDs in 4 strings
? Programmable LED current for up to 150mA per string
? +/- 2% string-to-string current matching
? Up to 90% efficiency
? Wide 0.2% to 100% PWM dimming range
? Enable analog dimming
? Integrated 3.0A power switch
? 700KHz switching frequency for small size
? Adjustable OVP for cost-effective output cap selection
? Open/short LED protection
? Short LED protection enable/disable
? Thermal protection with auto-recovery
? Thermally enhanced TSSOP-20 EDP package
? Lead-free, Halogen-Free and WeEE/RoHS Compliant
應(yīng)用 Application
·Medium-sized LCD panel
·Notebook Display
·Automotive Car Navigation Display
·Sub-Notebook and Tablet Computer Displays
·Portable Media Players
| 供應(yīng)商 | 型號 | 品牌 | 批號 | 封裝 | 庫存 | 備注 | 價格 |
|---|---|---|---|---|---|---|---|
SEMTECH/美國升特 |
22+ |
TSSOP-20 |
30000 |
原裝現(xiàn)貨,假一罰十 |
詢價 | ||
Semtech |
1948+ |
18562 |
只做原裝正品現(xiàn)貨!或訂貨假一賠十! |
詢價 | |||
SEMTECH |
23+ |
TSSOP-20 |
50000 |
全新原裝正品現(xiàn)貨,支持訂貨 |
詢價 | ||
ORIG |
23+ |
orig |
50000 |
全新原裝正品現(xiàn)貨,支持訂貨 |
詢價 | ||
Semtech Corporation |
22+ |
20TSSOPEP |
9000 |
原廠渠道,現(xiàn)貨配單 |
詢價 | ||
SEMTECH/美國升特 |
25+ |
TSSOP-20 |
860000 |
明嘉萊只做原裝正品現(xiàn)貨 |
詢價 | ||
SEMTECH |
23+ |
TSSOP-2 |
8650 |
受權(quán)代理!全新原裝現(xiàn)貨特價熱賣! |
詢價 | ||
Semtech(商升特) |
2511 |
36000 |
電子元器件采購降本 30%!盈慧通原廠直采,砍掉中間差價 |
詢價 | |||
SEMTECH |
24+ |
NA/ |
10365 |
優(yōu)勢代理渠道,原裝正品,可全系列訂貨開增值稅票 |
詢價 | ||
Semtech Corporation |
24+ |
20-TSSOP(0.173 |
39500 |
詢價 |
