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LTC1261LCMS8#TRPBF PDF预览

LTC1261LCMS8#TRPBF

更新时间： 2024-01-05 22:42:59
品牌 Logo 应用领域
凌特 - Linear 稳压器开关式稳压器或控制器电源电路开关式控制器光电二极管
页数 文件大小 规格书
12页 185K
描述
LTC1261L - Switched Capacitor Regulated Voltage Inverter; Package: MSOP; Pins: 8; Temperature Range: 0°C to 70°C

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中文翻译

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LTC1261LCMS8#TRPBF 技术参数

是否Rohs认证： 符合生命周期：Transferred
零件包装代码：MSOP包装说明：TSSOP, TSSOP8,.19
针数：8Reach Compliance Code：compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.08模拟集成电路 - 其他类型：SWITCHED CAPACITOR REGULATOR
最大输入电压：5.25 V最小输入电压：2.7 V
标称输入电压：5 VJESD-30 代码：S-PDSO-G8
JESD-609代码：e3长度：3 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：0.02 A
标称输出电压：-4.5 V封装主体材料：PLASTIC/EPOXY
封装代码：TSSOP封装等效代码：TSSOP8,.19
封装形状：SQUARE封装形式：SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
峰值回流温度（摄氏度）：260认证状态：Not Qualified
座面最大高度：1.1 mm子类别：Other Analog ICs
表面贴装：YES切换器配置：DOUBLER INVERTER
最大切换频率：650 kHz技术：CMOS
温度等级：COMMERCIAL端子面层：Matte Tin (Sn)
端子形式：GULL WING端子节距：0.65 mm
端子位置：DUAL处于峰值回流温度下的最长时间：30
宽度：3 mmBase Number Matches：1

LTC1261LCMS8#TRPBF 数据手册

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LTC1261L  
Switched Capacitor  
Regulated Voltage Inverter  
U
DESCRIPTIO  
FEATURES  
The LTC®1261L is a switched-capacitor voltage inverter  
designed to provide a regulated negative voltage from a  
single positive supply. The LTC1261L operates from a  
single 2.7V to 5.25V supply and provides an adjustable  
output voltage from –1.23V to –5V. The LTC1261L-4/  
LTC1261L-4.5 needs a single 4.5V to 5.25V supply and  
provides a fixed output voltage of –4V to –4.5V respec-  
tively. Three external capacitors are required: a 0.1µF  
flying capacitor and an input and output bypass capaci-  
tors. An optional compensation capacitor at ADJ (COMP)  
can be used to reduce the output voltage ripple.  
■
Regulated Negative Voltage from a  
Single Positive Supply  
■
REG Pin Indicates Output is in Regulation  
■
Adjustable or Fixed Output Voltages  
Output Regulation: ±3.5%  
Supply Current: 650µA Typ  
■
■
■
Shutdown Mode Drops Supply Current to 5µA  
■
Up to 20mA Output Current  
■
Requires Only Three or Four External Capacitors  
■
Available in MS8 and SO-8 Packages  
U
Each version of the LTC1261L will supply up to 20mA  
outputcurrentwithguaranteedoutputregulationof±3.5%.  
The LTC1261L includes an open-drain REG output that  
pulls low when the output is within 5% of the set value.  
Quiescent current is typically 650µA when operating and  
5µA in shutdown.  
APPLICATIO S  
■
GaAs FET Bias Generators  
■
Negative Supply Generators  
■
Battery-Powered Systems  
Single Supply Applications  
■
The LTC1261L is available in 8-pin MSOP and SO pack-  
ages.  
, LTC and LT are registered trademarks of Linear Technology Corporation.  
U
TYPICAL APPLICATION  
Waveforms for –4V Generator with Power Valid  
–4V Generator with Power Valid  
0V  
OUT  
5V  
1
2
3
4
8
7
6
5
5V  
V
SHDN  
REG  
–4V  
CC  
10k  
+
5V  
SHDN  
0V  
C1  
POWER VALID  
C1  
1µF  
C2  
0.1µF  
LTC1261L-4  
V
= –4V  
–
OUT  
C1  
OUT  
AT 10mA  
C4  
3.3µF  
5V  
POWER VALID  
0V  
+
GND  
COMP  
C3*  
100pF  
1261L TA01  
*OPTIONAL  
1261L TAO2  
0.1ms/DIV  
1
1234567...12

中文翻译

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