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LT1054MJ8#PBF PDF预览

LT1054MJ8#PBF

更新时间： 2024-11-14 13:01:51
品牌 Logo 应用领域
凌特 - Linear 转换器稳压器开关式稳压器或控制器调节器电源电路开关式控制器
页数 文件大小 规格书
16页 228K
描述
IC SWITCHED CAPACITOR REGULATOR, 40 kHz SWITCHING FREQ-MAX, CDIP8, 0.300 INCH, LEAD FREE, HERMETIC SEALED, CERAMIC, DIP-8, Switching Regulator or Controller

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LT1054MJ8#PBF 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 FREE, HERMETIC SEALED, CERAMIC, DIP-8
针数：8Reach Compliance Code：compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.56Is Samacsys：N
模拟集成电路 - 其他类型：SWITCHED CAPACITOR REGULATOR控制模式：VOLTAGE-MODE
最大输入电压：15 V最小输入电压：3.5 V
标称输入电压：7 VJESD-30 代码：R-GDIP-T8
JESD-609代码：e3功能数量：1
端子数量：8最高工作温度：125 °C
最低工作温度：-55 °C最大输出电流：0.1 A
标称输出电压：-5 V封装主体材料：CERAMIC, GLASS-SEALED
封装代码：DIP封装等效代码：DIP8,.3
封装形状：RECTANGULAR封装形式：IN-LINE
峰值回流温度（摄氏度）：250认证状态：Not Qualified
座面最大高度：5.08 mm子类别：Switching Regulator or Controllers
表面贴装：NO切换器配置：DOUBLER INVERTER
最大切换频率：40 kHz技术：BIPOLAR
温度等级：MILITARY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

LT1054MJ8#PBF 数据手册

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LT1054/LT1054L  
Switched-Capacitor Voltage  
Converter with Regulator  
U
FEATURES  
DESCRIPTIO  
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.  
■
Available in Space Saving SO-8 Package  
Output Current: 100mA (LT1054)  
■
125mA (LT1054L)  
■
Reference and Error Amplifier for Regulation  
■
Low Loss: 1.1V at 100mA  
■
Operating Range:3.5V to 15V (LT1054)  
3.5V to 7V (LT1054L)  
■
External Shutdown  
■
External Oscillator Synchronization  
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.  
■
Can Be Paralleled  
Pin Compatible with the LTC®1044/LTC7660  
■
U
APPLICATIO S  
■
Voltage Inverter  
■
Voltage Regulator  
The internal oscillator of the LT1054 runs at a nominal  
frequencyof25kHz.Theoscillatorpincanbeusedtoadjust  
the switching frequency or to externally synchronize the  
LT1054.  
■
Negative Voltage Doubler  
Positive Voltage Doubler  
■
The LT1054 is pin compatible with previous converters  
such the LTC1044/LTC7660.  
, LTC and LT are registered trademarks of Linear Technology Corporation.  
W
BLOCK DIAGRA  
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  
1054lfe  
1
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