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LTC2902-1CGN#TRPBF PDF预览

LTC2902-1CGN#TRPBF

更新时间： 2024-02-01 11:56:35
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 199K
描述
LTC2902 - Programmable Quad Supply Monitor with Adjustable Reset Timer and Supply Tolerance; Package: SSOP; Pins: 16; Temperature Range: 0°C to 70°C

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LTC2902-1CGN#TRPBF 技术参数

是否Rohs认证： 符合生命周期：Transferred
零件包装代码：SSOP包装说明：SSOP,
针数：16Reach Compliance Code：compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.1可调阈值：YES
模拟集成电路 - 其他类型：POWER SUPPLY SUPPORT CIRCUITJESD-30 代码：R-PDSO-G16
JESD-609代码：e3长度：4.8895 mm
湿度敏感等级：1信道数量：4
功能数量：1端子数量：16
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：SSOP
封装形状：RECTANGULAR封装形式：SMALL OUTLINE, SHRINK PITCH
峰值回流温度（摄氏度）：250认证状态：Not Qualified
座面最大高度：1.727 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：0.635 mm端子位置：DUAL
处于峰值回流温度下的最长时间：NOT SPECIFIED宽度：3.899 mm
Base Number Matches：1

LTC2902-1CGN#TRPBF 数据手册

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LTC2902  
Programmable Quad Supply  
Monitor with Adjustable Reset Timer  
and Supply Tolerance  
U
FEATURES  
DESCRIPTIO  
■
Simultaneously Monitors Four Supplies  
The LTC®2902 is a programmable supply monitor for sys-  
tems with up to four supply voltages. One of 16 preset or  
adjustable voltage monitor combinations can be selected  
using an external resistor divider connected to the pro-  
■
16 User Selectable Combinations of 5V, 3.3V, 3V,  
2.5V, 1.8V, 1.5V and/or ±Adjustable Voltage  
Thresholds  
■
■
Guaranteed Threshold Accuracy: ±1.5% of Monitored gram pin. The preset voltage thresholds are digitally pro-  
Voltage Over Temperature  
grammable to 5%, 7.5%, 10% or 12.5% below the nomi-  
nal operating voltage, and are accurate to 1.5% over tem-  
perature. All four voltage comparator outputs are con-  
nected to separate pins for individual supply monitoring.  
Selectable Supply Tolerance: 5%, 7.5%,  
10%, 12.5% Below Monitored Voltage  
Low Supply Current: 43µA Typ  
Adjustable Reset Time  
■
■
■
■
■
■
■
■
The reset delay time is adjustable using an external  
capacitor. Tight voltage threshold accuracy and glitch  
immunity ensure reliable reset operation without false  
triggering. The RST output is guaranteed to be in the  
correct state for VCC down to 1V and may be disabled  
during supply margin testing. The LTC2902-1 features  
an open-drain RST output, while the LTC2902-2 has a  
push-pull RST output.  
RESET Disable Pin for Margining Applications  
Open-Drain RST Output (LTC2902-1)  
Push-Pull RST Output (LTC2902-2)  
Individual Nondelayed Monitor Outputs for Each Supply  
Power Supply Glitch Immunity  
Guaranteed RESET for VCC ≥ 1V  
U
APPLICATIO S  
■
The43µAsupplycurrentmakestheLTC2902idealforpower  
conscious systems and the part may be configured to  
monitor less than four inputs. The LTC2902-1/LTC2902-2  
are available in the 16-lead narrow SSOP package.  
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 with Adjustable Tolerance (5V, 3.3V, 2.5V, 1.8V)  
5V  
3.3V  
2.5V  
1.8V  
DC/DC  
CONVERTER  
SYSTEM  
LOGIC  
3
13  
V4  
R3  
POWER  
GOOD  
10k  
V3  
4
2
V1  
V2  
V
COMP1  
COMP2  
COMP3  
COMP4  
RST  
16  
1
14  
15  
6
C1  
0.1µF  
C2  
0.1µF  
LTC2902-2  
12  
11  
REF  
8
RDIS  
T0  
MARGIN  
R1  
59k  
1%  
7
9
TOLERANCE = 5%  
= 216ms  
V
PG  
T1  
R2  
40.2k  
1%  
GND  
10  
CRT  
t
RST  
5
C
RT  
47nF  
2902 TA01  
2902f  
1
1234567...16

中文翻译

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LTC2902-1CGN#TRPBF 替代型号

型号 品牌 替代类型 描述 数据表
LTC2902-1CGN#PBF Linear

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 LTC2902 - Programmable Quad Supply Monitor with Adjustable Reset Timer and Supply Toleranc

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