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LTC2900-2IMS#TR PDF预览

LTC2900-2IMS#TR

更新时间: 2024-01-12 02:02:47
品牌 Logo 应用领域
凌特 - Linear 光电二极管
页数 文件大小 规格书
16页 196K
描述
LTC2900 - Programmable Quad Supply Monitor with Adjustable Reset Timer; Package: MSOP; Pins: 10; Temperature Range: -40°C to 85°C

LTC2900-2IMS#TR 技术参数

是否Rohs认证: 不符合生命周期:Active
包装说明:TSSOP, TSSOP10,.19,20Reach Compliance Code:not_compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.27可调阈值:YES
模拟集成电路 - 其他类型:POWER SUPPLY SUPPORT CIRCUITJESD-30 代码:S-PDSO-G10
JESD-609代码:e0长度:3 mm
湿度敏感等级:1信道数量:4
功能数量:1端子数量:10
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:TSSOP
封装等效代码:TSSOP10,.19,20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
标称供电电压 (Vsup):5 V表面贴装:YES
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:0.5 mm端子位置:DUAL
处于峰值回流温度下的最长时间:20宽度:3 mm

LTC2900-2IMS#TR 数据手册

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LTC2900  
Programmable Quad Supply  
Monitor with Adjustable Reset Timer  
U
FEATURES  
DESCRIPTIO  
Simultaneously Monitors Four Supplies  
The LTC®2900 is a programmable supply monitor for  
16 User Selectable Combinations of 5V, 3.3V, 3V,  
2.5V, 1.8V, 1.5V and/or ±Adjustable Voltage  
Thresholds  
systemswithuptofoursupplyvoltages. Oneof16preset  
or adjustable voltage monitor combinations can be se-  
lected using an external resistor divider connected to the  
program pin. The preset voltage thresholds are accurate  
to ±1.5% over temperature.  
Guaranteed Threshold Accuracy: ±1.5% of  
Monitored Voltage Over Temperature  
Low Supply Current: 43µA Typ  
Adjustable Reset Time  
Small MSOP and 3mm × 3mm DFN Packages  
Manual Reset Pin  
The reset delay time is adjustable using an external  
capacitor and the manual reset input may be used with a  
momentaryswitchtoissueresetpulseswithprogrammed  
duration. Tight voltage threshold accuracy and glitch  
immunity ensure reliable reset operation without false  
triggering. The RST output is guaranteed to be in the  
correctstateforVCC downto1V.TheLTC2900-1features  
an open-drain RST output, while the LTC2900-2 has a  
push-pull RST output.  
Open-Drain RST Output (LTC2900-1)  
Push-Pull RST Output (LTC2900-2)  
Power Supply Glitch Immunity  
Guaranteed RST for VCC 1V  
U
APPLICATIO S  
The 43µA supply current makes the LTC2900 ideal for  
power conscious systems and it may be configured to  
monitor less than four inputs. The parts are available in  
the 10-lead MSOP and the 10-lead 3mm × 3mm DFN  
packages.  
Desktop and Notebook Computers  
Multivoltage Systems  
Telecom Equipment  
Portable Battery-Powered Equipment  
, LTC and LT are registered trademarks of Linear Technology Corporation.  
Network Servers  
U
TYPICAL APPLICATIO  
Quad Supply Monitor (5V, 3.3V, 2.5V, 1.8V)  
5V  
3.3V  
2.5V  
1.8V  
DC/DC  
CONVERTER  
SYSTEM  
LOGIC  
V3  
V1  
LTC2900-2  
V2  
V4  
C1  
0.1µF  
C2  
0.1µF  
V
REF  
RST  
PBR  
CRT  
R1  
59k  
1%  
V
PG  
GND  
PUSH-BUTTON  
RESET  
R2  
40.2k  
1%  
C
RT  
47nF  
2900 TA01  
t
= 216ms  
RST  
2900f  
1

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