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SP6685 PDF预览

SP6685

更新时间: 2024-02-18 12:52:30
品牌 Logo 应用领域
西伯斯 - SIPEX 驱动器闪光灯
页数 文件大小 规格书
10页 142K
描述
Charge Pump LED Driver For Camera Flash

SP6685 技术参数

是否Rohs认证: 不符合生命周期:Obsolete
包装说明:WAFERReach Compliance Code:unknown
风险等级:5.81模拟集成电路 - 其他类型:SWITCHED CAPACITOR REGULATOR
最大输入电压:5.5 V最小输入电压:2.7 V
标称输入电压:3.6 VJESD-30 代码:R-XUUC-N
功能数量:1最高工作温度:70 °C
最低工作温度:封装主体材料:UNSPECIFIED
封装代码:DIE封装形状:RECTANGULAR
封装形式:UNCASED CHIP认证状态:Not Qualified
表面贴装:YES切换器配置:DOUBLER INVERTER
最大切换频率:2400 kHz温度等级:COMMERCIAL
端子形式:NO LEAD端子位置:UPPER
Base Number Matches:1

SP6685 数据手册

 浏览型号SP6685的Datasheet PDF文件第2页浏览型号SP6685的Datasheet PDF文件第3页浏览型号SP6685的Datasheet PDF文件第4页浏览型号SP6685的Datasheet PDF文件第5页浏览型号SP6685的Datasheet PDF文件第6页浏览型号SP6685的Datasheet PDF文件第7页 
®
Preliminary  
SP6685  
Charge Pump LED Driver For Camera Flash  
FEATURES  
High Output Current Charge Pump: 700mA  
Adjustable FLASH mode  
V
10  
9
1
2
3
4
5
V
P
S
IN  
OUT  
GND  
GND  
C1  
C2  
SP6685  
x1 and x2 Automatic Modes for High Efficiency  
Minimum External Components: No Inductors  
High Frequency Operation: 2.4 MHz  
Low 50mV reference for low loss sensing  
1 µA shutdown current  
8
10 Pin DFN  
7
FLASH  
EN  
FB  
6
R
SET  
Now Available in Lead Free Packaging  
PWM Dimming Control  
Over voltage protection on output  
Over current protection  
APPLICATIONS  
LED Torch/Flash for Cell  
Over temperature protection  
Phones, DSCs, and Camcorders  
Space Saving 10-pin 3mm x 3mm DFN  
Package  
Generic Lighting/Flash/Strobe  
Applications  
DESCRIPTION  
The SP6685 is a current regulated charge pump ideal for powering high brightness LEDs for  
camera flash applications. The charge pump can be set to regulate two current levels for  
FLASH and TORCH modes. The SP6685 automatically switches modes between step-up  
and step-down ensuring that LED current does not depend on the forward voltage. A low  
current sense reference voltage (50mV) allows the use of small 0603 current sensing  
resistors. The SP6685 is offered in 10-pin DFN package.  
TYPICAL APPLICATION CIRCUIT  
V
IN  
(2.7 - 4.3V)  
®
V
IN  
V
OUT  
C
IN  
C
1µF  
OUT  
C1  
C2  
4.7µF  
P
S
GND  
SP6685  
C
D1  
1W LED  
FC  
1µF  
GND  
FB  
FLASH  
EN  
TORCH/FLASH  
ENABLE  
V
REF  
= 50 - 150mV  
R
SET  
R
SET  
88.7K  
R
SENSE  
0.22  
Date: 12/15/04  
SP6685 Charge Pump LED Driver for Camera Flash  
© Copyright 2004 Sipex Corporation  
1

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