SC4539EVB中文資料SEMTECH數(shù)據(jù)手冊PDF規(guī)格書
SC4539EVB規(guī)格書詳情
Description
The SC4539 is designed to regulate current for a series string of white LEDs in LCD backlighting applications where small size and high efficiency are priorities. This device integrates an 800kHz current-mode PWM boost converter and a 30mA programmable low dropout current sink regulator.
Features
■ Input voltage range — 2.8V to 5.5V
■ Programmable LED current up to 30mA
■ Current-mode PWM control — 800kHz
■ Soft-start to reduce in-rush current
■ PWM dimming — 100Hz to 50kHz
■ PWM dimming at ISET — Analog and filtered
■ Over-voltage protection — 22V (minimum)
■ Under-voltage lockout (UVLO)
■ Thermal shutdown
■ Shutdown current — <0.1μA (typical)
■ Ultra-thin package — 2mm x 2mm x 0.6mm
■ Lead-free package, WEEE and RoHS compliant
Applications
■ DSLR, DSC, and Video Cameras
■ Cellular handsets
■ Portable media players
■ Personal navigation systems
■ Satellite radio
■ Handheld video games
產(chǎn)品屬性
- 型號：
SC4539EVB
- 制造商：
SEMTECH
- 制造商全稱：
Semtech Corporation
- 功能描述：
High Effi ciency Boost Converter for up to 6 LEDS
| 供應商 | 型號 | 品牌 | 批號 | 封裝 | 庫存 | 備注 | 價格 |
|---|---|---|---|---|---|---|---|
SEMTECH |
TSSOP-28 |
4595 |
正品原裝--自家現(xiàn)貨-實單可談 |
詢價 | |||
SEMTECH |
24+ |
TSSOP28 |
2659 |
原裝正品!公司現(xiàn)貨!歡迎來電洽談! |
詢價 | ||
SEMTECH |
2025+ |
TSSOP-28 |
3550 |
全新原廠原裝產(chǎn)品、公司現(xiàn)貨銷售 |
詢價 | ||
24+ |
3000 |
自己現(xiàn)貨 |
詢價 | ||||
SEMTECH |
17+ |
TSSOP28 |
6200 |
100%原裝正品現(xiàn)貨 |
詢價 | ||
SemtechCorporation |
24+ |
8-MLPD-UT(2x2) |
66800 |
原廠授權一級代理,專注汽車、醫(yī)療、工業(yè)、新能源！ |
詢價 | ||
SEMTECH |
21+ |
TSOP |
12588 |
原裝正品 |
詢價 | ||
SEMTECH |
2020+ |
原廠封裝 |
350000 |
100%進口原裝正品公司現(xiàn)貨庫存 |
詢價 | ||
SEMTECH |
23+ |
SOT23-5 |
5000 |
原裝正品,假一罰十 |
詢價 | ||
SEMTECH/美國升特 |
23+ |
TSS0P28 |
11200 |
原廠授權一級代理、全球訂貨優(yōu)勢渠道、可提供一站式BO |
詢價 |
