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LTC1522CMS8 PDF预览

LTC1522CMS8

更新时间： 2024-09-23 22:34:39
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电源电路开关式控制器光电二极管泵
页数 文件大小 规格书
8页 226K
描述
Micropower, Regulated 5V Charge Pump DC/DC Converter

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中文翻译

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LTC1522CMS8 技术参数

是否Rohs认证： 不符合生命周期：Transferred
零件包装代码：MSOP包装说明：TSSOP, TSSOP8,.19
针数：8Reach Compliance Code：not_compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.12模拟集成电路 - 其他类型：SWITCHING REGULATOR
最大输入电压：5 V最小输入电压：2.7 V
标称输入电压：3 VJESD-30 代码：S-PDSO-G8
JESD-609代码：e0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：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）：235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：SINGLE
最大切换频率：700 kHz技术：CMOS
温度等级：COMMERCIAL端子面层：Tin/Lead (Sn/Pb)
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：20
宽度：3 mmBase Number Matches：1

LTC1522CMS8 数据手册

 浏览型号LTC1522CMS8的Datasheet PDF文件第2页浏览型号LTC1522CMS8的Datasheet PDF文件第3页浏览型号LTC1522CMS8的Datasheet PDF文件第4页浏览型号LTC1522CMS8的Datasheet PDF文件第5页浏览型号LTC1522CMS8的Datasheet PDF文件第6页浏览型号LTC1522CMS8的Datasheet PDF文件第7页 
LTC1522  
Micropower, Regulated  
5V Charge Pump  
DC/DC Converter  
U
FEATURES  
DESCRIPTION  
The LTC®1522 is a micropower charge pump DC/DC  
converter that produces a regulated 5V output from a 2.7V  
to 5V input supply. Extremely low supply current (6µA  
typical with no load, <1µA in shutdown) and low external  
parts count (one 0.22µF flying capacitor and two 10µF  
capacitors at VIN and VOUT) make the LTC1522 ideally  
suited for small, light load battery-powered applications.  
Typical efficiency (VIN = 3V) exceeds 75% with load  
currents between 50µA and 20mA. Modulating the SHDN  
pin keeps the typical efficiency above 75% with load  
currents all the way down to 10µA.  
■
Ultralow Power: Typical Operating ICC = 6µA  
■
Short-Circuit/Thermal Protected  
■
Regulated 5V ±4% Output Voltage  
2.7V to 5V Input Range  
No Inductors  
Very Low ICC in Shutdown: <1µA  
Output Current:10mA (VIN  
20mA (VIN  
■
■
■
■
≥
≥
2.7V)  
3V)  
■
■
■
■
Shutdown Disconnects Load from VIN  
Internal Oscillator: 700kHz  
Compact Application Circuit (<0.1 in2)  
8-Pin MSOP and SO Packages  
The LTC1522 has thermal shutdown and can survive a  
continuous short from VOUT to GND. In shutdown the  
load is disconnected from VIN. The part is available in  
8-pin MSOP and SO packages. The LTC1522 is pin  
compatible with the LTC1516 in applications where  
VIN ≥ 2.7V and IOUT ≤ 20mA.  
U
APPLICATIONS  
■
SIM Interface Supplies for GSM Cellular Telephones  
■
Li-Ion Battery Backup Supplies  
■
Local 3V to 5V Conversion  
Smart Card Readers  
PCMCIA Local 5V Supplies  
■
■
, LTC and LT are registered trademarks of Linear Technology Corporation.  
U
TYPICAL APPLICATION  
Regulated 5V Output from a 2.7V to 5V Input  
Efficiency vs Output Current  
90  
V
1
2
3
4
8
7
6
5
V
IN  
= 3V  
IN  
2.7V TO 5V  
NC  
NC  
SHDN  
GND  
+
10µF  
V
ON/OFF  
IN  
80  
70  
60  
50  
LTC1522  
LOW I MODE  
Q
V
OUT  
(SEE FIGURE 2)  
+
10µF  
+
–
SHDN = 0V  
C
C
0.22µF  
V
OUT  
I
= 5V ±4%  
= 0mA TO 10mA, V ≥ 2.7V  
OUT  
OUT  
IN  
IN  
I
= 0mA TO 20mA, V ≥ 3V  
0.01  
0.1  
1
10  
100  
1522 TA01  
OUTPUT CURRENT (mA)  
1522 TA02  
1
12345678

中文翻译

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LTC1522CMS8 替代型号

型号 品牌 替代类型 描述 数据表
LTC1522CMS8#TR Linear

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