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SC104EVB PDF预览

SC104EVB

更新时间: 2024-02-24 23:24:41
品牌 Logo 应用领域
商升特 - SEMTECH 转换器
页数 文件大小 规格书
12页 200K
描述
Micro Power Constant-Current DC-DC Converter

SC104EVB 技术参数

是否无铅: 不含铅是否Rohs认证: 符合
生命周期:Obsolete零件包装代码:SOIC
包装说明:3 X 3 MM, ROHS COMPLIANT, MLP-8针数:8
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:5.75
Is Samacsys:N模拟集成电路 - 其他类型:SWITCHING REGULATOR
最大输入电压:10 V最小输入电压:1.55 V
标称输入电压:2 VJESD-30 代码:S-PDSO-F8
JESD-609代码:e3长度:3 mm
湿度敏感等级:1功能数量:1
端子数量:8最高工作温度:85 °C
最低工作温度:-40 °C最大输出电流:0.92 A
标称输出电压:38 V封装主体材料:PLASTIC/EPOXY
封装代码:VSOF封装等效代码:SOLCC8,.12,25
封装形状:SQUARE封装形式:SMALL OUTLINE, VERY THIN PROFILE
峰值回流温度(摄氏度):260认证状态:Not Qualified
座面最大高度:1 mm子类别:Other Analog ICs
表面贴装:YES切换器配置:BOOST
温度等级:INDUSTRIAL端子面层:Matte Tin (Sn)
端子形式:FLAT端子节距:0.65 mm
端子位置:DUAL处于峰值回流温度下的最长时间:NOT SPECIFIED
宽度:3 mmBase Number Matches:1

SC104EVB 数据手册

 浏览型号SC104EVB的Datasheet PDF文件第2页浏览型号SC104EVB的Datasheet PDF文件第3页浏览型号SC104EVB的Datasheet PDF文件第4页浏览型号SC104EVB的Datasheet PDF文件第5页浏览型号SC104EVB的Datasheet PDF文件第6页浏览型号SC104EVB的Datasheet PDF文件第7页 
SC104  
Micro Power Constant-Current  
DC-DC Converter  
POWER MANAGEMENT  
Description  
Features  
The SC104 is a micro power dc-dc step-up converter  
which converts an input voltage, in the range of 1.55V to  
10V, to a constant current. The part features a range of  
user programmable voltages and currents including  
dynamic adjustment of the “constant” current. The  
converter is capable of generating output voltages as  
low as the input supply voltage and up to 38V. During  
shutdown, the part draws a typical 500nA standby  
current.  
‹ Adjustable output current using pulse width  
modulation or analog voltage input  
‹ 38V output capability supports up to 10 white LEDs  
‹ Wide range of input voltages 1.55V to 10V  
‹ Low quiescent current  
‹ 0.5µA standby current in shutdown  
‹ Programmable cycle by cycle current limit  
‹ Surface mount packaging (3x3mm 8pin MLP)  
‹ Output voltage and over-temperature protection  
The output current is set by the external resistor R1.  
Dynamic adjustment of the output current can be made  
by the application of an analog voltage to the ADJ  
input, or by PWMing this pin.  
Applications  
‹ White LED supplies  
‹ Color LED supplies  
‹ Cellular phones  
‹ PDAs  
‹ Electronic books  
‹ Handheld computers  
‹ Wireless web appliances  
The peak switch current is programmable through the  
external resistor RLIM enabling the use of a wide range of  
inductors and battery technologies.  
Typical Application Circuit - 6 LEDs  
VIN = 3V to 5V  
CIN  
4.7uF  
U1  
SC104  
EN  
1
2
3
4
8
7
6
5
IOUT ADJUST  
ENABLE  
ADJ  
FB  
LIM  
IN  
IOUT = 15mA  
LED4  
LED5  
LED6  
GND  
OUT  
L1  
RLIM  
7.50k  
LX  
12uH  
LED3  
LED2  
LED1  
COUT  
0.47uF  
RSET  
23.2R  
D1  
March 22, 2005  
1
www.semtech.com  

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