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LTC2903CS6-D1#TR PDF预览

LTC2903CS6-D1#TR

更新时间: 2024-02-13 15:45:51
品牌 Logo 应用领域
凌特 - Linear 电源电路电源管理电路监视器光电二极管
页数 文件大小 规格书
16页 153K
描述
LTC2903-1 - Precision Quad Supply Monitor in 6-Lead SOT-23; Package: SOT; Pins: 6; Temperature Range: 0°C to 70°C

LTC2903CS6-D1#TR 技术参数

是否无铅: 含铅是否Rohs认证: 符合
生命周期:Active包装说明:VSSOP,
针数:6Reach Compliance Code:compliant
风险等级:5.25可调阈值:YES
模拟集成电路 - 其他类型:POWER SUPPLY SUPPORT CIRCUITJESD-30 代码:R-PDSO-G6
JESD-609代码:e3长度:2.9 mm
湿度敏感等级:1信道数量:4
功能数量:1端子数量:6
最高工作温度:70 °C最低工作温度:
封装主体材料:PLASTIC/EPOXY封装代码:VSSOP
封装形状:RECTANGULAR封装形式:SMALL OUTLINE, VERY THIN PROFILE, SHRINK PITCH
峰值回流温度(摄氏度):250认证状态:Not Qualified
座面最大高度:1 mm标称供电电压 (Vsup):5 V
表面贴装:YES温度等级:COMMERCIAL
端子面层:Matte 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:NOT SPECIFIED宽度:1.625 mm

LTC2903CS6-D1#TR 数据手册

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LTC2903-1  
Precision Quad Supply  
Monitor in 6-Lead SOT-23  
U
FEATURES  
DESCRIPTIO  
The LTC®2903-1 monitors up to four supply voltages. The  
common reset output remains low until all four inputs  
have been in compliance for 200ms. Voltage thresholds  
maintain ±1.5% accuracy over temperature (with respect  
to the monitored voltage). The LTC2903-1 features an  
open-drain RST output with a weak internal pullup.  
Ultralow Voltage Reset: VCC = 0.5V Guaranteed  
Monitor Four Inputs Simultaneously  
3.3V, 2.5V, 1.8V, ADJ (LTC2903-A1)  
5V, 3.3V, 2.5V, 1.8V (LTC2903-B1)  
5V, 3.3V, 1.8V, –5.2V (LTC2903-C1)  
3.3V, ADJ, ADJ, ADJ (LTC2903-D1)  
5V, ADJ, ADJ, ADJ (LTC2903-E1)  
Internalsupplyvoltage(VCC)isgeneratedfromthegreater  
voltageontheV1,V2inputs.VCC =V1forLTC2903-D1and  
LTC2903-E1. TheRSToutputisguaranteedtosinkatleast  
5µA (VOL = 0.15V) for VCC down to 0.5V and will typically  
conduct current down to 0V. Quiescent current is 20µA  
typical, making the LTC2903-1 ideal for power conscious  
systems.TheLTC2903-1isavailableina6-leadlowprofile  
(1mm) SOT-23 package.  
Guaranteed Threshold Accuracy: ±1.5% of  
Monitored Voltage over Temperature  
10% (A1, B1, C1) and 5% (D1, E1) Undervoltage  
Monitoring  
Low Supply Current: 20µA Typical  
200ms Reset Time Delay  
Active Low Open-Drain RST Output  
Power Supply Glitch Immunity  
, LTC and LT are registered trademarks of Linear Technology Corporation.  
ThinSOT is a trademark of Linear Technology Corporation.  
Low Profile (1mm) SOT-23 (ThinSOTTM) Package  
U
APPLICATIO S  
Multivoltage Systems  
Optical Networking Systems  
Cell Phone Base Stations  
Network Servers  
U
TYPICAL APPLICATIO  
Low Voltage Reset Pull-Down Performance  
vs External Pull-Up Current and Input Supply Voltage  
0.10  
V
= V1 = V2 = V3  
IN  
5V  
0.09  
0.08  
0.07  
0.06  
0.05  
0.04  
0.03  
0.02  
0.01  
0
LTC2903-B1  
3.3V  
DC/DC  
CONVERTER  
SYSTEM  
LOGIC  
2.5V  
1.8V  
20µA  
10µA  
LTC2903-B1  
V1  
RST  
C1  
5µA  
2µA  
0.1µF  
GND  
V2  
V4  
C2  
0.1µF  
V3  
2903 TA01  
1µA  
0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9  
, INPUT SUPPLY VOLTAGE (V)  
0
1
V
IN  
2903 TA01b  
29031f a  
1

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