ISL97678集成电路(IC)LED驱动器规格书PDF中文资料
厂商型号 |
ISL97678 |
参数属性 | ISL97678 封装/外壳为32-VFQFN 裸露焊盘;包装为卷带(TR);类别为集成电路(IC) > LED 驱动器;ISL97678应用范围:背光;产品描述:IC LED DRVR RGLTR PWM 50MA 32QFN |
功能描述 | 8-Channel 45V, 50mA LED Driver |
文件大小 |
1.41591 Mbytes |
页面数量 |
17 页 |
生产厂商 | Renesas Electronics America |
企业简称 |
RENESAS【瑞萨】 |
中文名称 | 瑞萨科技有限公司官网 |
原厂标识 | |
数据手册 | |
更新时间 | 2024-6-22 13:10:00 |
ISL97678规格书详情
8-Channel 45V, 50mA LED Driver
The ISL97678 is an 8-channel PWM dimming LED driver for LCD backlight applications. The ISL97678 is capable of driving up to 96 pieces of 3.4V/50mA LEDs but larger numbers of LEDs are possible if the LED forward voltage combined is less than 45V. The ISL97678 has 8 channels of voltage controlled current sources with typical currents matching to ±1, which compensate for the non-uniformity effect of forward voltages variance in the LED strings. To minimize the voltage headroom and power loss in the typical multi-string operation, the ISL97678 features dynamic headroom control that monitors the highest LED forward voltage string and uses its feedback signal for output regulation.
Features
• 8 channels
• 4.75V ~ 26V input
• 45V maximum output
• Drive typically 96 LEDs (3.4V/50mA each)
• External PWM input up to 20kHz dimming
• Dimming range 0.4~100 up to 30kHz
• Current matching ±0.7 typical
• Protections
- String open circuit and short circuit detections, OVP, and OTP
• Adjustable dimming frequency
• Adjustable switching frequency
• 32 Ld (5mmx5mm) QFN package
Applications
• Notebook displays WLED or RGB LED backlighting
• LCD monitor LED backlighting
ISL97678属于集成电路(IC) > LED 驱动器。瑞萨科技有限公司制造生产的ISL97678LED 驱动器器件属于 LED 驱动器电源管理集成电路 (PMIC) 系列,可通过标称固定电压的电源为负载(通常为发光二极管)提供电流,并且电流可控。它与用于电压调节的类似产品的主要区别在于,这类器件提供较低的反馈电压(以提高系统能效),而且通常可对器件工作点进行外部控制,可在照明应用中用于实现调光功能。
产品属性
- 产品编号:
ISL97678IRZ-T
- 制造商:
Renesas Electronics America Inc
- 类别:
集成电路(IC) > LED 驱动器
- 包装:
卷带(TR)
- 类型:
DC DC 稳压器
- 拓扑:
升压
- 内部开关:
是
- 输出数:
8
- 电压 - 供电(最低):
4.75V
- 电压 - 供电(最高):
26V
- 电压 - 输出:
45V
- 电流 - 输出/通道:
50mA
- 频率:
500kHz ~ 1.5MHz
- 调光:
PWM
- 应用:
背光
- 工作温度:
-40°C ~ 85°C(TA)
- 安装类型:
表面贴装型
- 封装/外壳:
32-VFQFN 裸露焊盘
- 供应商器件封装:
32-QFN(5x5)
- 描述:
IC LED DRVR RGLTR PWM 50MA 32QFN
供应商 | 型号 | 品牌 | 批号 | 封装 | 库存 | 备注 | 价格 |
---|---|---|---|---|---|---|---|
INTERSIL |
22+ |
QFN32 |
6300 |
原装现货假一赔十 |
询价 | ||
IDT/RENESAS |
22+ |
QFN |
24500 |
瑞萨全系列在售 |
询价 | ||
INTERSIL |
22+ |
QFN32 |
6500 |
只做原装正品假一赔十!正规渠道订货! |
询价 | ||
INTERSIL |
2023+ |
QFN32 |
8635 |
全新原装正品,优势价格 |
询价 | ||
原装进口 |
2020+ |
QFN |
80000 |
只做自己库存,全新原装进口正品假一赔百,可开13%增 |
询价 | ||
INTERSIL |
21+ROHS |
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 | |||
INTERSIL |
QFN |
265209 |
假一罚十原包原标签常备现货! |
询价 | |||
INTERSIL |
2021+ |
QFN |
100500 |
一级代理专营品牌!原装正品,优势现货,长期排单到货 |
询价 | ||
INTERSIL |
23+ |
QFN |
32732 |
原装正品代理渠道价格优势 |
询价 | ||
INTERSIL |
23+ |
QFN32 |
50000 |
全新原装正品现货,支持订货 |
询价 |