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参数资料
| 型号： | SP7686AER-L |
| 厂商： | Exar Corporation |
| 文件页数： | 5/16页 |
| 文件大小： | 0K |
| 描述： | IC LED DVR CONST CURRENT 8DFN |
| 标准包装： | 1 |
| 恒定电流： | 是 |
| 拓扑： | PWM，降压（降压），升压（升压），切换式电容器（充电泵） |
| 输出数： | 1 |
| 类型 - 主要： | 闪灯/白光，通用 |
| 类型 - 次要： | 高亮度 LED（HBLED），白色 LED |
| 频率： | 2MHz ~ 2.8MHz |
| 电源电压： | 2.7 V ~ 5.5 V |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-VFDFN 裸露焊盘 |
| 供应商设备封装： | 8-DFN（3x2） |
| 包装： | 散装 |
| 工作温度： | -40°C ~ 85°C |
| 其它名称： | 1016-1407 |
S P 7 6 8 6 / S P 7 6 8 6 A
C o n s t a n t C u r r e n t F l a s h D r i v e r i n D F N 2 m m x 3 m m
PIN DESCRIPTION: SP7686A
Name
1
2, 3
4
5
6
7
8
Pin Number
V IN
C1, C2
FLASH
FB
EN
PGND
V OUT
Description
Power supply input. Place a 10 μ F decoupling capacitor next to this pin.
Connect an external 0.22 μ F flying capacitor between these pins
The SP7686A uses the flash pin to switch between two internally preset voltage levels,
for Flash and Torch mode. The part is enabled and disabled by the separate ENABLE
pin. The part has a 3.5s maximum on time in Flash mode. After a 3.5s timeout occurs
the part shuts down and can be enabled by the FLASH or ENABLE pins. This pin cannot
be left open.
Current feedback input. Place an external current sense resistor from this pin to ground.
Voltage at this pin will be internally compared to 60mV or 160mV depending on the
logic level of the FLASH pin.
The SP7686A has this enable/shutdown pin. (Logic high = enable, logic low =
shutdown). Used to immediately disable the driver and PWM brightness control. There
is an internal pull down on this pin.
Ground pin for power (high current).
Output voltage of the internal charge pump. Connect the LED between this pin and the
current sense resistor. Voltage at this pin will be regulated in order to maintain constant
LED current. Place a 2.2 μ F ceramic capacitor next to this pin.
ORDERING INFORMATION
Part Number
SP7686AER-L
SP7686AER-L/TR
SP7686ER-L
SP7686ER-L/TR
Temperature
Range
-40°C ≤ T A ≤ +85°C
-40°C ≤ T A ≤ +85°C
-40°C ≤ T A ≤ +85°C
-40°C ≤ T A ≤ +85°C
Marking
SP7686A
YYWWX
SP7686A
YYWWX
SP7686
YYWWX
SP7686
YYWWX
Package
2x3mm
DFN8
2x3mm
DFN8
2x3mm
DFN8
2x3mm
DFN8
Packing
Quantity
Bulk
3K/Tape & Reel
Bulk
3K/Tape & Reel
Note 1
Lead Free and
Halogen Free
Lead Free and
Halogen Free
Lead Free and
Halogen Free
Lead Free and
Halogen Free
Note 2
MSL L1@250°C
MSL L1@250°C
MSL L1@250°C
MSL L1@250°C
SP7686EB
SP7686EB
“YY” = Year – “WW” = Work Week – “X” = Lot Number
? 2010 Exar Corporation
5/16
Rev. 2.1.0
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相关代理商/技术参数 |
参数描述 |
|---|---|
| SP7686AER-L/TR | 功能描述:LED照明驱动器 500mA PROG CHARGE PUMP LED DRVR RoHS:否 制造商:STMicroelectronics 输入电压:11.5 V to 23 V 工作频率: 最大电源电流:1.7 mA 输出电流: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:SO-16N |
| SP7686EB | 功能描述:电源管理IC开发工具 500mA Programmable Charge Pump LED Drvr RoHS:否 制造商:Maxim Integrated 产品:Evaluation Kits 类型:Battery Management 工具用于评估:MAX17710GB 输入电压: 输出电压:1.8 V |
| SP7686ER | 制造商:SIPEX 制造商全称:Sipex Corporation 功能描述:Evaluation Board Manual |
| SP7686ER-L | 功能描述:LED照明驱动器 Driver in 2x3 DFN RoHS:否 制造商:STMicroelectronics 输入电压:11.5 V to 23 V 工作频率: 最大电源电流:1.7 mA 输出电流: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:SO-16N |
| SP7686ER-L/TR | 功能描述:LED照明驱动器 500mA PROG CHARGE PUMP LED DRVR RoHS:否 制造商:STMicroelectronics 输入电压:11.5 V to 23 V 工作频率: 最大电源电流:1.7 mA 输出电流: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:SO-16N |
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