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LT1073CS8-12#PBF PDF预览

LT1073CS8-12#PBF

更新时间: 2024-11-24 20:09:11
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 270K
描述
LT1073 - Micropower DC-DC Converter Adjustable and Fixed 5V, 12V; Package: SO; Pins: 8; Temperature Range: 0°C to 70°C

LT1073CS8-12#PBF 技术参数

是否Rohs认证: 符合生命周期:Transferred
零件包装代码:SOIC包装说明:SOP, SOP8,.25
针数:8Reach Compliance Code:compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.17模拟集成电路 - 其他类型:SWITCHING REGULATOR
控制模式:VOLTAGE-MODE控制技术:PULSE FREQUENCY MODULATION
最大输入电压:30 V最小输入电压:1 V
标称输入电压:1.5 VJESD-30 代码:R-PDSO-G8
JESD-609代码:e3长度:4.9 mm
湿度敏感等级:1功能数量:1
端子数量:8最高工作温度:70 °C
最低工作温度:最大输出电流:1.5 A
标称输出电压:12 V封装主体材料:PLASTIC/EPOXY
封装代码:SOP封装等效代码:SOP8,.25
封装形状:RECTANGULAR封装形式:SMALL OUTLINE
峰值回流温度(摄氏度):260认证状态:Not Qualified
座面最大高度:1.75 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:23 kHz技术:BIPOLAR
温度等级:COMMERCIAL端子面层:Matte Tin (Sn)
端子形式:GULL WING端子节距:1.27 mm
端子位置:DUAL处于峰值回流温度下的最长时间:30
宽度:3.9116 mmBase Number Matches:1

LT1073CS8-12#PBF 数据手册

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LT1073  
Micropower  
DC/DC Converter  
Adjustable and Fixed 5V, 12V  
FEATURES  
DESCRIPTION  
TheLT®1073isaversatilemicropowerDC/DCconverter.The  
device requires only three external components to deliver  
a fixed output of 5V or 12V. The very low minimum supply  
voltage of 1V allows the use of the LT1073 in applications  
wheretheprimarypowersourceisasinglecell.Anon-chip  
auxiliary gain block can function as a low-battery detector  
or linear post-regulator.  
n
No Design Required  
n
Operates at Supply Voltages from 1V to 30V  
n
Consumes Only 95µA Supply Current  
Works in Step-Up or Step-Down Mode  
n
n
Only Three External Off-the-Shelf Components  
Required  
n
Low-Battery Detector Comparator On-Chip  
n
User-Adjustable Current Limit  
Internal 1A Power Switch  
Average current drain of the LT1073-5 used as shown in  
theTypicalApplicationcircuitbelowisjust135µAunloaded,  
making it ideal for applications where long battery life is  
important. The circuit shown can deliver 5V at 40mA from  
an input as low as 1.25V and 5V at 10mA from a 1V input.  
n
n
Fixed or Adjustable Output Voltage Versions  
Space-Saving 8-Pin PDIP or SO-8 Package  
n
APPLICATIONS  
The device can easily be configured as a step-up or step-  
downconverter,althoughformoststep-downapplications  
or input sources greater than 3V, the LT1173 is recom-  
mended. Switch current limiting is user-adjustable by  
adding a single external resistor. Unique reverse-battery  
protection circuitry limits reverse current to safe, non-  
destructive levels at reverse supply voltages up to 1.6V.  
n
Pagers  
n
Cameras  
n
Single-Cell to 5V Converters  
n
Battery Backup Supplies  
n
Laptop and Palmtop Computers  
n
Cellular Telephones  
Portable Instruments  
n
L, LTC, and LT are registered trademarks of Linear Technology Corporation.  
n
4mA to 20mA Loop Powered Instruments  
n
Hand-Held Inventory Computers  
n
Battery-Powered α, β, and γ Particle Detectors  
TYPICAL APPLICATION  
Single Alkaline “AA” Cell Operating  
Hours vs DC Load Current  
Single-Cell to 5V Converter  
1000  
CADDELL-BURNS  
7300-12  
1N5818  
82µH  
5V  
40mA  
100  
2
1
I
V
LIM  
IN  
3
8
SW1  
LT1073-5  
L = 180µH  
1.5V  
AA CELL*  
10  
SENSE  
+
100µF  
SANYO  
0S-CON  
GND  
5
SW2  
4
L = 82µH  
1
1
10  
100  
OPERATES WITH CELL VOLTAGE ≥1V  
ADD 10µF DECOUPLING CAPACITOR IF  
LOAD CURRENT (mA)  
*
LT1073 TA02  
BATTERY IS MORE THAN 2" AWAY FROM LT1073  
1073 TA01  
1

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