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LT3487EDD#TRPBF PDF预览

LT3487EDD#TRPBF

更新时间: 2024-10-03 19:58:07
品牌 Logo 应用领域
凌特 - Linear 开关光电二极管
页数 文件大小 规格书
16页 278K
描述
LT3487 - Boost and Inverting Switching Regulator for CCD Bias; Package: DFN; Pins: 10; Temperature Range: -40°C to 85°C

LT3487EDD#TRPBF 技术参数

是否Rohs认证: 符合生命周期:Transferred
零件包装代码:DFN包装说明:HVSON, SOLCC10,.12,20
针数:10Reach Compliance Code:compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:3.04模拟集成电路 - 其他类型:SWITCHING REGULATOR
控制模式:CURRENT-MODE控制技术:PULSE WIDTH MODULATION
最大输入电压:16 V最小输入电压:2.3 V
标称输入电压:3.6 VJESD-30 代码:S-PDSO-N10
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:10最高工作温度:85 °C
最低工作温度:封装主体材料:PLASTIC/EPOXY
封装代码:HVSON封装等效代码:SOLCC10,.12,20
封装形状:SQUARE封装形式:SMALL OUTLINE, HEAT SINK/SLUG, 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:0.8 mm子类别:Switching Regulator or Controllers
表面贴装:YES切换器配置:BOOST
最大切换频率:2150 kHz技术:BIPOLAR
温度等级:OTHER端子面层:Matte Tin (Sn)
端子形式:NO LEAD端子节距:0.5 mm
端子位置:DUAL处于峰值回流温度下的最长时间:30
宽度:3 mmBase Number Matches:1

LT3487EDD#TRPBF 数据手册

 浏览型号LT3487EDD#TRPBF的Datasheet PDF文件第2页浏览型号LT3487EDD#TRPBF的Datasheet PDF文件第3页浏览型号LT3487EDD#TRPBF的Datasheet PDF文件第4页浏览型号LT3487EDD#TRPBF的Datasheet PDF文件第5页浏览型号LT3487EDD#TRPBF的Datasheet PDF文件第6页浏览型号LT3487EDD#TRPBF的Datasheet PDF文件第7页 
LT3487  
Boost and Inverting  
Switching Regulator  
for CCD Bias  
U
DESCRIPTIO  
FEATURES  
ThG LT®3487 duaꢀ chaeeGꢀ swiꢃchieg ꢂGguꢀaꢃꢄꢂ gGeGꢂaꢃGs  
ꢆꢄsiꢃivG aed eGgaꢃivG ꢄuꢃꢆuꢃs ꢅꢄꢂ biasieg CCD iAagGꢂs.  
ThG dGvicG dGꢀivGꢂs uꢆ ꢃꢄ –8V aꢃ 90Aꢇ aed 15V aꢃ 45Aꢇ  
ꢅꢂꢄA a ꢀiꢃhiuA-iꢄe cGꢀꢀ, ꢆꢂꢄvidieg bias ꢅꢄꢂ Aaey ꢆꢄꢆuꢀaꢂ  
CCD iAagGꢂs. ThG bꢄꢄsꢃ ꢂGguꢀaꢃꢄꢂ iecꢄꢂꢆꢄꢂaꢃGs ꢄuꢃꢆuꢃ  
discꢄeeGcꢃ ꢃGcheꢄꢀꢄgy ꢃꢄ GꢀiAieaꢃG ꢃhG DC cuꢂꢂGeꢃ ꢆaꢃh  
Generates 15V at 45mA, –8V at 90mA from a  
Li-Ion Cell  
Output Disconnect  
Sequencing: Positive Output Reaches Regulation  
Before Negative Channel Begins Switching  
Internal Schottky Diodes  
ꢅꢂꢄA V ꢃꢄ ꢃhG ꢄuꢃꢆuꢃ ꢀꢄad ꢃhaꢃ is ꢆꢂGsGeꢃ ie sꢃaedaꢂd  
2MHz Constant Switching Frequency  
IN  
bꢄꢄsꢃ cꢄefiguꢂaꢃiꢄes. ThG 2MHz swiꢃchieg ꢅꢂGquGecy  
aꢀꢀꢄws CCD sꢄꢀuꢃiꢄes usieg ꢃiey, ꢀꢄw ꢆꢂꢄfiꢀG caꢆaciꢃꢄꢂs  
aed ieducꢃꢄꢂs aed gGeGꢂaꢃGs ꢀꢄw eꢄisG ꢄuꢃꢆuꢃs ꢃhaꢃ aꢂG  
Gasy ꢃꢄ fiꢀꢃGꢂ. Schꢄꢃꢃky diꢄdGs aꢂG ieꢃGꢂeaꢀ aed ꢃhG ꢄuꢃꢆuꢃ  
vꢄꢀꢃagGs aꢂG sGꢃ wiꢃh ꢄeG ꢂGsisꢃꢄꢂ ꢆGꢂ chaeeGꢀ, ꢂGducieg  
ꢃhG GxꢃGꢂeaꢀ cꢄAꢆꢄeGeꢃ cꢄueꢃ.  
Requires Only One Resistor per Channel to Set  
Output Voltages  
V ±aegG: 2.3V ꢃꢄ 16V  
IN  
Ouꢃꢆuꢃ VꢄꢀꢃagG Uꢆ ꢃꢄ 28V  
Shꢄꢂꢃ-Ciꢂcuiꢃ ±ꢄbusꢃ  
Caꢆaciꢃꢄꢂ PꢂꢄgꢂaAAabꢀG Sꢄꢅꢃ-Sꢃaꢂꢃ  
SGꢆaꢂaꢃG V Pie ꢇꢀꢀꢄws SGꢆaꢂaꢃG SꢄuꢂcGs ꢅꢄꢂ  
BꢇT  
IeꢃGꢀꢀigGeꢃ sꢄꢅꢃ-sꢃaꢂꢃ aꢀꢀꢄws sGquGeꢃiaꢀ sꢄꢅꢃ-sꢃaꢂꢃ ꢄꢅ ꢃhG ꢃwꢄ  
chaeeGꢀswiꢃhasiegꢀGcaꢆaciꢃꢄꢂ.ThGsꢄꢅꢃ-sꢃaꢂissGquGecGd  
such ꢃhaꢃ ꢃhG ꢄuꢃꢆuꢃ ꢂaAꢆ ꢄꢅ ꢃhG eGgaꢃivG chaeeGꢀ bGgies  
aꢅꢃGhGaAhGꢄsiꢃivGchaeeGꢀ. IeꢃGꢂeasGquGecieg  
ciꢂcuiꢃꢂyaꢀsdisabꢀGshGeGgaꢃivGchaeeGueꢃihGꢄsiꢃivG  
chaeeGꢀ has ꢂGachGd 87% ꢄꢅ iꢃs fieaꢀ vaꢀuG, Gesuꢂieg ꢃhaꢃ  
ꢃhG suA ꢄꢅ ꢃhG ꢃwꢄ ꢄuꢃꢆuꢃs is aꢀways ꢆꢄsiꢃivG.  
PꢄwGꢂ aed Cꢄeꢃꢂꢄꢀ Ciꢂcuiꢃꢂy  
ꢇvaiꢀabꢀG ie 10-LUGad (3AA × 3AA) DFN PackagG  
APPLICATIO S  
CCD Bias  
TFT LCD Bias  
OLED Bias  
ThG LT3487 is avaiꢀabꢀG ie a 10-ꢆie 3AA × 3AA DFN  
ꢆackagG.  
±±aiꢀ ꢁGeGꢂaꢃiꢄe ꢅꢄꢂ Oꢆ ꢇAꢆs  
, LT, LTC and LTM are registered trademarks of Linear Technology Corporation.  
All other trademarks are the property of their respective owners.  
U
TYPICAL APPLICATIO  
Conversion Efficiency  
15µH  
10µH  
80  
POS CHANNEL AT CAP  
75  
2.2µF  
SWN  
V
SWP  
CAP  
BAT  
V
IN  
3V TO 12V  
70  
V
POS CHANNEL  
IN  
65  
AT V  
POS  
1µF  
549k  
100nF  
LT3487  
NEG CHANNEL  
60  
55  
DN  
FBP  
47pF  
4.7µF  
15µH  
50  
45  
40  
V
NEG  
FBN  
–8V  
324k  
RUN/SS  
V
POS  
90mA  
15V  
RUN/SS  
V
POS  
V
= 3.6V  
IN  
45mA  
GND  
22µF  
100nF  
20  
40  
LOAD CURRENT (mA)  
80  
0
100  
60  
3487 TA01a  
3487 TA01b  
3487f  
1

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