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LTC1516IS8 PDF预览

LTC1516IS8

更新时间: 2024-11-05 22:57:35
品牌 Logo 应用领域
凌特 - Linear 转换器
页数 文件大小 规格书
8页 109K
描述
Micropower, Regulated 5V Charge Pump DC/DC Converter

LTC1516IS8 技术参数

是否Rohs认证: 不符合生命周期:Transferred
零件包装代码:SOIC包装说明:0.150 INCH, PLASTIC, SO-8
针数:8Reach Compliance Code:not_compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.1其他特性:CAN BE OPERATED AS A TRIPLER
模拟集成电路 - 其他类型:SWITCHED CAPACITOR REGULATOR最大输入电压:5 V
最小输入电压:2 V标称输入电压:3 V
JESD-30 代码:R-PDSO-G8JESD-609代码:e0
长度:4.9 mm湿度敏感等级:1
功能数量:1端子数量:8
最高工作温度:85 °C最低工作温度:-40 °C
最大输出电流:0.05 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:SOP8,.25封装形状:RECTANGULAR
封装形式:SMALL OUTLINE峰值回流温度(摄氏度):235
认证状态:Not Qualified座面最大高度:1.75 mm
子类别:Other Analog ICs最大供电电流 (Isup):0.02 mA
表面贴装:YES切换器配置:DOUBLER INVERTER
最大切换频率:600 kHz技术:CMOS
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:20
宽度:3.9 mmBase Number Matches:1

LTC1516IS8 数据手册

 浏览型号LTC1516IS8的Datasheet PDF文件第2页浏览型号LTC1516IS8的Datasheet PDF文件第3页浏览型号LTC1516IS8的Datasheet PDF文件第4页浏览型号LTC1516IS8的Datasheet PDF文件第5页浏览型号LTC1516IS8的Datasheet PDF文件第6页浏览型号LTC1516IS8的Datasheet PDF文件第7页 
LTC1516  
Mic ro p o we r, Re g ula te d  
5V Cha rg e Pum p  
DC/ DC Co nve rte r  
U
FEATURES  
DESCRIPTION  
The LTC®1516 is a micropower charge pump DC/DC  
converter that produces a regulated 5V output from a 2V  
to 5V supply. Extremely low supply current (12µA typical  
with no load, <1µA in shutdown) and low external parts  
count (two 0.22µF flying capacitors and two 10µF capaci-  
Ultralow Power: Typical Operating ICC = 12µA  
Short Circuit/Thermal Protection  
Regulated 5V ±4% Output  
2V to 5V Input Range  
No Inductors  
ICC in Shutdown: <1µA  
tors at V and VOUT) make the LTC1516 ideally suited for  
IN  
Output Current:20mA (V > 2V)  
small, light load battery-powered applications. Typical  
IN  
50mA (V > 3V)  
Shutdown Disconnects Load from V  
Internal Oscillator: 600kHz  
Compact Application Circuit (0.1 in2)  
8-Pin SO Package  
efficiency (V = 3V) exceeds 70% with load currents  
IN  
IN  
between50µAand50mA. ModulatingtheSHDNpinkeeps  
the typical efficiency above 70% with load currents all the  
way down to 10µA.  
IN  
The LTC1516 operates as either a doubler or a tripler  
depending on V and output load conditions to improve  
overall efficiency. The part has thermal shutdown and can  
survive a continuous short from VOUT to GND. In shut-  
U
IN  
APPLICATIONS  
2-Cell to 5V Conversion  
Li-Ion Battery Backup Supplies  
Local 3V to 5V Conversion  
5V Flash Memory Programmer  
down the load is disconnected from V .  
IN  
The LTC1516 is available in an 8-pin SO package in both  
commercial and industrial temperature grades.  
, LTC and LT are registered trademarks of Linear Technology Corporation.  
Smart Card Readers  
U
TYPICAL APPLICATION  
Efficiency vs Output Current  
0.22µF  
90  
V
IN  
= 3V  
1
2
3
4
8
7
6
5
+
C1  
C1  
80  
70  
60  
50  
V
SHDN  
GND  
ON/OFF  
V
IN  
= 2V TO 5V  
IN  
+
LOW I MODE  
Q
(SEE FIGURE 3)  
LTC1516  
10µF  
V
OUT  
+
10µF  
+
C2  
C2  
SHDN = 0V  
0.22µF  
V
= 5V ±4%  
= 0mA TO 20mA, V 2V  
= 0mA TO 50mA, V 3V  
OUT  
OUT  
0.01  
0.1  
1
10  
100  
I
IN  
IN  
OUTPUT CURRENT (mA)  
I
1516 • F01  
OUT  
1516 • TA01  
Figure 1. Regulated 5V Output from a 2V to 5V Input  
1

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