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LT1054IS PDF预览

LT1054IS

更新时间: 2024-01-21 07:49:26
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 223K
描述
IC SWITCHED CAPACITOR REGULATOR, 25 kHz SWITCHING FREQ-MAX, PDSO16, PLASTIC, SOL-16, Switching Regulator or Controller

LT1054IS 技术参数

是否Rohs认证: 不符合生命周期:Obsolete
零件包装代码:SOIC包装说明:PLASTIC, SOL-16
针数:16Reach Compliance Code:unknown
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.07Is 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
JESD-30 代码:R-PDSO-G16JESD-609代码:e0
长度:10.3 mm功能数量:1
端子数量:16最高工作温度:85 °C
最低工作温度:-40 °C最大输出电流:0.1 A
标称输出电压:-5 V封装主体材料:PLASTIC/EPOXY
封装代码:SOP封装等效代码:SOP16,.4
封装形状:RECTANGULAR封装形式:SMALL OUTLINE
峰值回流温度(摄氏度):255认证状态:Not Qualified
座面最大高度:2.65 mm子类别:Switching Regulator or Controllers
最大供电电流 (Isup):5 mA表面贴装:YES
切换器配置:DOUBLER INVERTER最大切换频率:25 kHz
技术:BIPOLAR温度等级:INDUSTRIAL
端子面层:Tin/Lead (Sn/Pb)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:40宽度:7.5 mm
Base Number Matches:1

LT1054IS 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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