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LT1054CN8 PDF预览

LT1054CN8

更新时间： 2024-02-03 10:37:23
品牌 Logo 应用领域
凌特 - Linear 转换器调节器开关光电二极管
页数 文件大小 规格书
16页 337K
描述
Switched-Capacitor Voltage Converter with Regulator

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中文翻译

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LT1054CN8 技术参数

是否Rohs认证：符合生命周期：Obsolete
零件包装代码：DIP包装说明：0.300 INCH, LEAD FRE, PLASTIC, DIP-8
针数：8Reach Compliance Code：compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.08Is Samacsys：N
模拟集成电路 - 其他类型：SWITCHED CAPACITOR REGULATOR最大输入电压：15 V
最小输入电压：3.5 V标称输入电压：7 V
JESD-30 代码：R-PDIP-T8JESD-609代码：e3
功能数量：1端子数量：8
标称输出电压：-5 V封装主体材料：PLASTIC/EPOXY
封装代码：DIP封装形状：RECTANGULAR
封装形式：IN-LINE峰值回流温度（摄氏度）：NOT SPECIFIED
认证状态：Not Qualified表面贴装：NO
切换器配置：DOUBLER INVERTER最大切换频率：40 kHz
技术：BIPOLAR端子面层：Matte Tin (Sn)
端子形式：THROUGH-HOLE端子节距：2.54 mm
端子位置：DUAL处于峰值回流温度下的最长时间：NOT SPECIFIED
宽度：7.62 mmBase Number Matches：1

LT1054CN8 数据手册

 浏览型号LT1054CN8的Datasheet PDF文件第2页浏览型号LT1054CN8的Datasheet PDF文件第3页浏览型号LT1054CN8的Datasheet PDF文件第4页浏览型号LT1054CN8的Datasheet PDF文件第5页浏览型号LT1054CN8的Datasheet PDF文件第6页浏览型号LT1054CN8的Datasheet PDF文件第7页 
LT1054/LT1054L  
Switched-Capacitor Voltage  
Converter with Regulator  
U
DESCRIPTIO  
EATURE  
Available in Space Saving SO-8 Package  
Output Current: 100mA (LT1054)  
125mA (LT1054L)  
Low Loss: 1.1V at 100mA  
Operating Range:3.5V to 15V (LT1054)  
3.5V to 7V (LT1054L)  
Reference and Error Amplifier for Regulation  
External Shutdown  
S
F
The LT®1054 is a monolithic, bipolar, switched-capacitor  
voltage converter and regulator. The LT1054 provides  
higher output current than previously available converters  
with significantly lower voltage losses. An adaptive switch  
driver scheme optimizes efficiency over a wide range of  
outputcurrents. Total voltagelossat100mAoutputcurrent  
is typically 1.1V. This holds true over the full supply voltage  
range of 3.5V to 15V. Quiescent current is typically 2.5mA.  
■
■
■
■
■
■
■
■
■
External Oscillator Synchronization  
Can Be Paralleled  
The LT1054 also provides regulation, a feature not previ-  
ously available in switched-capacitor voltage converters.  
By adding an external resistive divider a regulated output  
can be obtained. This output will be regulated against  
changes in both input voltage and output current. The  
LT1054 can also be shut down by grounding the feedback  
pin. Supply current in shutdown is less than 100µA.  
Pin Compatible with the LTC®1044/LTC7660  
O U  
PPLICATI  
A
S
■
■
■
■
Voltage Inverter  
Voltage Regulator  
Negative Voltage Doubler  
Positive Voltage Doubler  
The internal oscillator of the LT1054 runs at a nominal  
frequencyof25kHz.Theoscillatorpincanbeusedtoadjust  
the switching frequency or to externally synchronize the  
LT1054.  
The LT1054 is pin compatible with previous converters  
such the LTC1044/LTC7660.  
, LTC and LT are registered trademarks of Linear Technology Corporation.  
W
BLOCK DIAGRAM  
V
REF  
6
V
IN  
LT1054/LT1054L Voltage Loss  
8
2
2.5V  
3.5V ≤ V ≤ 15V (LT1054)  
IN  
REFERENCE  
LT1054L  
3.5V ≤ V ≤ 7V (LT1054L)  
IN  
C
IN  
= C  
= 100µF  
OUT  
R
DRIVE  
CAP  
INDICATES GUARANTEED  
TEST POINT  
+
–
+
–
2
4
+
LT1054  
C
*
IN  
Q
Q
1
FEEDBACK/  
SHUTDOWN  
1
0
OSC  
CAP  
7
T
T
T
= 125°C  
= 25°C  
= –55°C  
R
J
J
J
OSC  
DRIVE  
DRIVE  
DRIVE  
3
5
GND  
*EXTERNAL CAPACITORS  
+
0
25  
50  
75  
100  
125  
C
*
OUT  
OUTPUT CURRENT (mA)  
–V  
OUT  
1054 TA01•  
LT1054 • BD  
1
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中文翻译

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