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LTC1517ES5-3.3 PDF预览

LTC1517ES5-3.3

更新时间: 2024-01-05 00:16:12
品牌 Logo 应用领域
Linear Systems 光电二极管
页数 文件大小 规格书
8页 144K
描述
Micropower, Regulated 3.3V Charge Pump in a 5-Pin SOT-23 Package

LTC1517ES5-3.3 技术参数

是否Rohs认证: 符合生命周期:Transferred
零件包装代码:SOT包装说明:LSSOP,
针数:5Reach Compliance Code:compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.25模拟集成电路 - 其他类型:SWITCHED CAPACITOR REGULATOR
最大输入电压:4.4 V最小输入电压:2 V
标称输入电压:2.5 VJESD-30 代码:R-PDSO-G5
JESD-609代码:e3长度:2.9 mm
湿度敏感等级:1功能数量:1
端子数量:5最高工作温度:85 °C
最低工作温度:-40 °C封装主体材料:PLASTIC/EPOXY
封装代码:LSSOP封装形状:RECTANGULAR
封装形式:SMALL OUTLINE, LOW 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:1.45 mm
表面贴装:YES切换器配置:DOUBLER INVERTER
最大切换频率:700 kHz温度等级:INDUSTRIAL
端子面层:Tin (Sn)端子形式:GULL WING
端子节距:0.95 mm端子位置:DUAL
处于峰值回流温度下的最长时间:30宽度:1.625 mm

LTC1517ES5-3.3 数据手册

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LTC1517-3.3  
Micropower, Regulated  
3.3V Charge Pump in a  
5-Pin SOT-23 Package  
U
FEATURES  
DESCRIPTION  
The LTC®1517-3.3 is a micropower charge pump DC/DC  
converter that produces a regulated 3.3V output. The input  
voltage range is 2V to 4.4V, allowing a single cell lithium  
battery to produce a regulated 3.3V output over the entire life  
of the battery. Extremely low operating current (typically 6µA  
with no load) and low external parts count (one 0.1µF flying  
Ultralow Power: ICC = 6µA Typ  
Short-Circuit/Thermal Protected  
3.3V ±4% Regulated Output  
VIN Range: 2V to 4.4V  
Output Current: 8mA (VIN  
2V)  
2.5V)  
15mA (VIN  
No Inductors  
capacitor and two small bypass capacitors at VIN and VOUT  
)
Ultrasmall Application Circuit (0.045in2)  
700kHz Switching Frequency  
make the part ideally suited for small, light load battery-  
powered applications. The total printed circuit board area of  
the application circuit shown below is only 0.045in2.  
Available in 5-Pin SOT-23  
The part operates as a Burst ModeTM switched-capacitor  
voltage doubler to produce a regulated output. The part has  
thermal shutdown capability and can survive a continuous  
short circuit from VOUT to GND. The device is available in a  
5-pin SOT-23 package.  
U
APPLICATIONS  
Cellular Telephones  
Battery-Operated Equipment  
Local Power Supplies  
Handheld Instruments  
, LTC and LT are registered trademarks of Linear Technology Corporation.  
Burst Mode is a trademark of Linear Technology Corporation.  
PCMCIA Supplies  
U
TYPICAL APPLICATION  
Typical Output Voltage  
vs Output Current  
3.40  
0.1µF  
T
= 25°C  
A
C1 = 0.1µF  
C
= 6.8µF  
OUT  
5
4
+
3.35  
3.30  
3.25  
3.20  
C1  
C1  
LTC1517-3.3  
V
GND  
2
V
IN  
OUT  
3
V
IN  
= 2.5V  
V
IN  
= 2V  
V
I
I
= 3.3V ± 4%  
1
OUT  
OUT  
OUT  
V
IN  
= 8mA (V 2V)  
IN  
2V TO 4.4V  
= 15mA (V 2.5V)  
IN  
3.3µF  
6.8µF  
1517-3.3 TA01  
20  
30  
0
40  
10  
OUTPUT CURRENT (mA)  
1517 G05  
1

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