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LT3483EDC-PBF

更新时间： 2024-02-04 12:00:50
品牌 Logo 应用领域
凌特 - Linear 转换器
页数 文件大小 规格书
12页 147K
描述
Inverting Micropower DC/DC Converter with Schottky

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LT3483EDC-PBF 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, SOLCC8,.08,20
针数：8Reach Compliance Code：compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：7.38模拟集成电路 - 其他类型：SWITCHING REGULATOR
控制技术：CONSTANT OFF TIME最大输入电压：16 V
最小输入电压：2.5 V标称输入电压：3.6 V
JESD-30 代码：S-PDSO-N8JESD-609代码：e3
长度：2 mm湿度敏感等级：1
功能数量：1端子数量：8
最高工作温度：125 °C最低工作温度：-40 °C
最大输出电流：0.23 A标称输出电压：-38 V
封装主体材料：PLASTIC/EPOXY封装代码：HVSON
封装等效代码：SOLCC8,.08,20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：Other Analog ICs表面贴装：YES
切换器配置：BOOST技术：BIPOLAR
温度等级：AUTOMOTIVE端子面层：Matte Tin (Sn)
端子形式：NO LEAD端子节距：0.45 mm
端子位置：DUAL处于峰值回流温度下的最长时间：30
宽度：2 mmBase Number Matches：1

LT3483EDC-PBF 数据手册

 浏览型号LT3483EDC-PBF的Datasheet PDF文件第2页浏览型号LT3483EDC-PBF的Datasheet PDF文件第3页浏览型号LT3483EDC-PBF的Datasheet PDF文件第4页浏览型号LT3483EDC-PBF的Datasheet PDF文件第5页浏览型号LT3483EDC-PBF的Datasheet PDF文件第6页浏览型号LT3483EDC-PBF的Datasheet PDF文件第7页 
LT3483  
Inverting Micropower  
DC/DC Converter  
with Schottky  
FEATURES  
DESCRIPTION  
The LT®3483 is a micropower inverting DC/DC converter  
with integrated Schottky and one resistor feedback. The  
small package size, high level of integration and use of  
tiny surface mount components yield a solution size as  
n
Internal 40V Schottky Diode  
n
One Resistor Feedback (Other Resistor Inside)  
n
Internal 40V, 200mA Power Switch  
n
Generates Regulated Negative Outputs to –38V  
2
n
Low Quiescent Current:  
small as 40mm . The device features a quiescent current  
40μA in Active Mode  
of only 40μA at no load, which further reduces to 0.1μA in  
shutdown.Acurrentlimited,fixedoff-timecontrolscheme  
conserves operating current, resulting in high efficiency  
over a broad range of load current. A precisely trimmed  
10μA feedback current enables one resistor feedback  
and virtually eliminates feedback loading of the output.  
The 40V switch enables voltage outputs up to –38V to  
be generated without the use of costly transformers. The  
LT3483’s low 300ns off-time permits the use of tiny low  
profile inductors and capacitors to minimize footprint and  
cost in space-conscious portable applications.  
<1μA in Shutdown Mode  
n
Low V  
Switch: 200mV at 150mA  
CESAT  
n
n
n
n
Wide Input Range: 2.5V to 16V  
Uses Small Surface Mount Components  
Output Short-Circuit Protected  
Available in a 6-Lead SOT-23 and Low Profile 8-Lead  
DFN (2mm × 2mm × 0.75mm) Packages  
APPLICATIONS  
n
LCD Bias  
The LT3483 is available in the low profile (1mm) SOT-23  
(ThinSOT™) and 8-lead DFN (2mm × 2mm × 0.75mm)  
packages.  
L, LT, LTC and LTM are registered trademarks of Linear Technology Corporation.  
ThinSOT is a trademark of Linear Technology Corporation. All other trademarks are the  
property of their respective owners. Patent Pending  
n
Handheld Computers  
n
Battery Backup  
n
Digital Cameras  
n
OLED Bias  
TYPICAL APPLICATION  
3.6V to –8V DC/DC Converter  
Efficiency and Power Loss  
75  
70  
65  
60  
1000  
100  
10  
0.22μF  
10μH  
V = 3.6V  
IN  
V
IN  
3.6V  
EFFICIENCY  
10Ω  
806k  
SW  
V
OUT  
V
D
IN  
–8V  
25mA  
LT3483  
SHDN  
GND  
4.7μF  
5pF  
FB  
POWER  
LOSS  
2.2μF  
1
3483 TA01a  
55  
0.1  
0.1  
1
10  
100  
LOAD CURRENT (mA)  
3483 TA01b  
3483fb  
1
1234567...12

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