HV9903中文资料PDF规格书
HV9903规格书详情
Description
The Supertex HV9903 is a fixed frequency DC-DC boost converter designed for driving Light Emitting Diodes (LEDs) with constant current where the light intensity is proportional to the current through them. The input supply voltage range into the device (VDD) is 2.6 to 4.6V. Operation of the driver at lower voltages is possible as long as a 2.6–4.6V low current supply is available for the HV9903. The device uses a single inductor and a minimum number of passive components. The device can be enabled/disabled via the SHDN pin.
Features
❑ Power efficiency of up to 85
❑ Drives up to 6 White LEDs
❑ 2.6V to 4.6V Supply power stage can operate at 1.8V (see page 8)
❑ Built-in Soft Start
❑ DC and PWM Dimming Control
❑ Built-in Open LED protection
❑ Open LED indicator (via RSET)
❑ 1.2MHz Fixed Switching Frequency
❑ 500nA max leakage current when disabled
❑ No leakage current path through LEDs when disabled
❑ Resistor-programmable LED Current
❑ Small 6-lead MLP (3mm x 3mm) package (similar to 6-pin SOT-23)
Applications
❑ Color LCD Backlighting
❑ Cell phones, smart phones
❑ PDAs, pocket PCs
❑ Organizers
❑ Digital Cameras
❑ MP3 Players
产品属性
- 型号:
HV9903
- 制造商:
SUPERTEX
- 制造商全称:
SUPERTEX
- 功能描述:
White LED Driver
供应商 | 型号 | 品牌 | 批号 | 封装 | 库存 | 备注 | 价格 |
---|---|---|---|---|---|---|---|
SUPER |
1305+ |
QFN-6 |
12000 |
公司特价原装现货 |
询价 | ||
SUPERTEX |
0540+ |
QFN |
880000 |
明嘉莱只做原装正品现货 |
询价 | ||
SUPERTEX |
23+ |
QFN |
6000 |
所有报价以当天为准 |
询价 | ||
SUPERTEX |
23+ |
QFN |
50000 |
全新原装正品现货,支持订货 |
询价 | ||
SUPERTEX |
QFN |
265209 |
假一罚十原包原标签常备现货! |
询价 | |||
23+ |
N/A |
30350 |
正品授权货源可靠 |
询价 | |||
SUPERTEX |
22+21+ |
QFN |
3000 |
16年电子元件现货供应商 终端BOM表可配单提供样品 |
询价 | ||
SUPERTEX |
21+ROHS |
QFN |
10000 |
原厂授权一级代理,专业海外优势订货,价格优势、品种 |
询价 | ||
HV |
23+ |
6500 |
专注配单,只做原装进口现货 |
询价 | |||
SUPERTEX |
QFN |
68500 |
一级代理 原装正品假一罚十价格优势长期供货 |
询价 |