SC643
Product inactive. Information on this page is for reference only.
The SC643 is a high efficiency charge pump LED driver using Semtech’s proprietary charge pump technology. Performance is optimized for use in single cell Li-ion battery applications.
功能
- Input supply voltage range — 2.9V to 5.5V
- Very high efficiency charge pump driver system with three modes — 1x, 1.5x, and 2x
- Five programmable current sinks with 29 increments from 0mA to 25mA
- One programmable 100mA low-noise LDO regulator
- Three programmable 150mA low-noise LDO regulators
- Programmable driver configurations for main and sub-display backlight
- Fade-in/fade-out feature for main and sub display backlight
- SemPulse® single wire interface
- Backlight current accuracy — ±1.5% typical
- Backlight current matching — ±0.5% typical
- External enable pin for optional control of LDO4
- Automatic sleep mode with LEDs off
- Shutdown current — 0.1μA typical
- Ultra-thin package — 3 x 3 x 0.6 (mm)
- Fully WEEE and RoHS compliant
- Cellular phones, smart phones, and PDAs
- LCD display modules
- Portable media players
- Digital cameras and GPS units
- Display backlighting and LED indicators
应用
封装
- MLPQ-UT-20
订购代码
- SC643ULTRT: Lead-Free, WEEE and RoHS Compliant, 3000pcs Tape and Reel Only
Pb(Lead)-Free/RoHS-Green Info
Base Part Number (1)
SC643
产品描述
LIGHT MANAGEMENT UNIT WITH 4 LDOS AND SEMPULSE INTERFACE
引脚数
20
封装类型
MLPQ-UT
Pb-Free (2)
是
Reflow Temp °C (3)
260
引脚或焊球镀层
MATTE Sn
MSL 等级
1
JIG 101 A & B (12)
是
WEEE 2012/19/EU (19)
是
China RoHS 2 GB/T 26572-2011
是下载报告
RoHS Compliant by Exception (8)
否
Whisker Testing (10)
热循环锡须测试
（-40°C 至 +85°C / 4000 循环）
（-40°C 至 +85°C / 4000 循环）
是
环境温度存储，锡须测试
（50°C，4000 小时）
（50°C，4000 小时）
是
60°C/90% 相对湿度 4000 小时，锡须测试
是
声明和报告
IPC-1752-2
Datasheets & Documentation
mySemtech
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Distributor/Catalog Supplier Inventory
View product availability from participating distributors below. Browse all distributors here.
| Part # | 国家/地区 | Qty | Buy | 经销商 |
|---|
资源
