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参数资料
| 型号： | LTC2903CS6-C1#TRPBF |
| 厂商： | Linear Technology |
| 文件页数： | 1/16页 |
| 文件大小： | 0K |
| 描述： | IC QUAD SPLY MONITOR NEG SOT23-6 |
| 标准包装： | 2,500 |
| 类型： | 多压监控器 |
| 监视电压数目： | 4 |
| 输出： | 开路漏极或开路集电极 |
| 复位： | 低有效 |
| 复位超时： | 最小为 140 ms |
| 电压 - 阀值： | 1.593V，2.921V，4.425V，-4.602V |
| 工作温度： | 0°C ~ 70°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | SOT-23-6 |
| 供应商设备封装： | SOT-23-6 |
| 包装： | 带卷 (TR) |
LTC2903-1
Precision Quad Supply
Monitor in 6-Lead SOT-23
FEATURES
DESCRIPTIO
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Ultralow Voltage Reset: V CC = 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)
Guaranteed Threshold Accuracy: ± 1.5% of
Monitored Voltage over Temperature
10% (A1, B1, C1) and 5% (D1, E1) Undervoltage
Monitoring
Low Supply Current: 20 μ A Typical
200ms Reset Time Delay
Active Low Open-Drain RST Output
Power Supply Glitch Immunity
Low Profile (1mm) SOT-23 (ThinSOT TM ) Package
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.
Internal supply voltage (V CC ) is generated from the greater
voltage on the V1, V2 inputs. V CC = V1 for LTC2903-D1 and
LTC2903-E1. The RST output is guaranteed to sink at least
5 μ A (V OL = 0.15V) for V CC down to 0.5V and will typically
conduct current down to 0V. Quiescent current is 20 μ A
typical, making the LTC2903-1 ideal for power conscious
systems. The LTC2903-1 is available in a 6-lead low profile
(1mm) SOT-23 package.
, LTC and LT are registered trademarks of Linear Technology Corporation.
ThinSOT is a trademark of Linear Technology Corporation.
APPLICATIO S
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Multivoltage Systems
Optical Networking Systems
Cell Phone Base Stations
Network Servers
TYPICAL APPLICATIO
Low Voltage Reset Pull-Down Performance
vs External Pull-Up Current and Input Supply Voltage
5V
0.10
0.09
V IN = V1 = V2 = V3
LTC2903-B1
DC/DC
CONVERTER
3.3V
2.5V
1.8V
LTC2903-B1
SYSTEM
LOGIC
0.08
0.07
0.06
0.05
20 μ A
10 μ A
C1
0.1 μ F
C2
0.1 μ F
V1
GND
V2
RST
V4
V3
2903 TA01
0.04
0.03
0.02
0.01
0
5 μ A
2 μ A
1 μ A
0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9
1
V IN , INPUT SUPPLY VOLTAGE (V)
2903 TA01b
29031f a
1
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相关代理商/技术参数 |
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| LTC2903CS6D1 | 制造商:Linear Technology 功能描述: |
| LTC2903CS6-D1#PBF | 制造商:Linear Technology 功能描述:Volt Supervisor Monitor 3.3V 6-Pin TSOT-23 制造商:Linear Technology 功能描述:MONITOR 20uA 6.5V TSOT-23-6 制造商:Linear Technology 功能描述:MONITOR, 20uA, 6.5V, TSOT-23-6; No. of Supervisors / Monitors:4; Supply Voltage Min:200mV; Supply Voltage Max:6.5V; Reset Type:Active-Low, Open-Drain; Digital IC Case Style:TSOT-23; No. of Pins:6; Supply Current:20A ;RoHS Compliant: Yes |
| LTC2903CS6-D1#TRM | 制造商:Linear Technology 功能描述:Volt Supervisor Monitor 3.3V 6-Pin TSOT-23 T/R |
| LTC2903CS6-D1#TRMPBF | 功能描述:IC QUAD SPLY MONITOR ADJ SOT23-6 RoHS:是 类别:集成电路 (IC) >> PMIC - 监控器 系列:- 标准包装:100 系列:- 类型:简单复位/加电复位 监视电压数目:1 输出:开路漏极，开路漏极 复位:高有效/低有效 复位超时:最小为 250 ms 电压 - 阀值:4.37V，4.62V 工作温度:0°C ~ 70°C 安装类型:表面贴装 封装/外壳:8-SOIC（0.154"，3.90mm 宽） 供应商设备封装:8-SOIC 包装:管件 产品目录页面:1337 (CN2011-ZH PDF) |
| LTC2903CS6-D1#TRPBF | 功能描述:IC QUAD SPLY MONITOR ADJ SOT23-6 RoHS:是 类别:集成电路 (IC) >> PMIC - 监控器 系列:- 标准包装:400 系列:- 类型:备用电池电路 监视电压数目:1 输出:开路漏极，推挽式 复位:高有效/低有效 复位超时:最小为 35 ms 电压 - 阀值:4.65V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:16-SOIC（0.295"，7.50mm 宽） 供应商设备封装:16-SOIC W 包装:带卷 (TR) 其它名称:ADM691ARZ-REEL7TR |
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