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参数资料
| 型号： | LTC2908CDDB-B1#TRM |
| 厂商： | Linear Technology |
| 文件页数： | 1/18页 |
| 文件大小： | 0K |
| 描述： | IC MONITOR SIX SUPPLY PREC 8DFN |
| 标准包装： | 500 |
| 类型： | 多压监控器 |
| 监视电压数目： | 6 |
| 输出： | 开路漏极或开路集电极 |
| 复位： | 低有效 |
| 复位超时： | 最小为 160 ms |
| 电压 - 阀值： | 1.403V，1.683V，2.338V，3.086V，可调，可调 |
| 工作温度： | 0°C ~ 70°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-WFDFN 裸露焊盘 |
| 供应商设备封装： | 8-DFN（3x2） |
| 包装： | 带卷 (TR) |
| 其它名称： | LTC2908CDDB-B1 LTC2908CDDB-B1-ND |
LTC2908
Precision
Six Input Supply Monitor
FEATURES
DESCRIPTION
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Ultralow Voltage Reset: V CC = 0.5V Guaranteed*
Monitors Six Inputs Simultaneously:
5V, 3.3V, 2.5V, 1.8V, ADJ1, ADJ2 (LTC2908-A1)
3.3V, 2.5V, 1.8V, 1.5V, ADJ1, ADJ2 (LTC2908-B1)
2.5V, ADJ1, ADJ2, ADJ3, ADJ4, ADJ5 (LTC2908-C1)
Guaranteed Threshold Accuracy: ±1.5% of
Monitored Voltage Overtemperature
Internal V CC Auto Select
Power Supply Glitch Immunity
200ms Reset Time Delay
Active Low Open-Drain RST Output
Low Pro?le (1mm) 8-Lead SOT-23 (ThinSOT ?) and
Plastic (3mm × 2mm) DFN Packages
The LTC ? 2908 is a six input supply monitor for systems
requiring a precise and compact monitoring solution
for multiple supply voltages. The inputs can be shorted
together for monitoring systems with fewer than six
supply voltages, and the open drain RST output of two or
more LTC2908s can be wired-OR together for monitoring
systems with more than six supply voltages. The common
reset output remains low until all six inputs have been in
compliance for 200ms.
The LTC2908 features a tight 1.5% threshold accuracy over
the entire operating temperature range and glitch immunity
to ensure reliable reset operation without false triggering.
The open-drain RST output state is guaranteed to be in the
correct state as long as V1 and/or V2 is 0.5V or greater.
APPLICATIONS
The LTC2908 also features adjustable inputs with a nominal
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Network Servers
Wireless Base Stations
Optical Networking Systems
Multivoltage Systems
Desktop and Notebook Computers
threshold level at 0.5V. This product provides a precise,
space-conscious, micropower and general purpose solu-
tion for any kind of system requiring supply monitors.
L , LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks of Linear
Technology Corporation. ThinSOT is a trademark of Linear Technology Corporation. All other
trademarks are the property of their respective owners. *Patent pending.
TYPICAL APPLICATION
Six Supply Monitor with 5% Tolerance
(12V, 3.3V, 2.5V, 1.8V, 1.5V, 1.2V)
RST Output Voltage vs V1
with 10k Pull-Up Resistor to V1
12V
0.4
V3 = V4 = V ADJ1 =
DC/DC
3.3V
V ADJ2 = V ADJ3 =
V ADJ4 = V ADJ5 = GND
DC/DC
2.5V
0.3
V1 INPUT
DC/DC
DC/DC
1.8V
1.5V
SYSTEM
0.2
V2 = GND
DC/DC
1.2V
0.1μF 0.1μF
2.15M
100k
124k
100k
0.1
0
0
V 2 = V1 (A1/B1)
0.2 0.4
0.6
0.8
V1 (V)
V1
V2 V3 V4
V ADJ1
V ADJ2
2908 TA01b
LTC2908-B1
GND
RST
2908 TA01a
2908fd
1
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| LTC2908CDDB-C1#TRMPBF | 功能描述:IC MONITOR SIX SUPPLY PREC 8DFN RoHS:是 类别:集成电路 (IC) >> PMIC - 监控器 系列:- 标准包装:1 系列:- 类型:简单复位/加电复位 监视电压数目:1 输出:开路漏极或开路集电极 复位:高有效 复位超时:- 电压 - 阀值:1.8V 工作温度:-40°C ~ 125°C 安装类型:表面贴装 封装/外壳:6-TSOP（0.059"，1.50mm 宽）5 引线 供应商设备封装:5-TSOP 包装:剪切带 (CT) 其它名称:NCP301HSN18T1GOSCT |
| LTC2908CDDB-C1#TRPBF | 功能描述:IC MONITOR SIX SUPPLY PREC 8DFN RoHS:是 类别:集成电路 (IC) >> PMIC - 监控器 系列:- 标准包装:1 系列:- 类型:简单复位/加电复位 监视电压数目:1 输出:开路漏极或开路集电极 复位:高有效 复位超时:- 电压 - 阀值:1.8V 工作温度:-40°C ~ 125°C 安装类型:表面贴装 封装/外壳:6-TSOP（0.059"，1.50mm 宽）5 引线 供应商设备封装:5-TSOP 包装:剪切带 (CT) 其它名称:NCP301HSN18T1GOSCT |
| LTC2908CTS8-A1 | 制造商:Linear Technology 功能描述:Volt Supervisor Monitor 1.8V/2.5V/3.3V/5V 8-Pin TSOT-23 |
| LTC2908CTS8-A1#PBF | 制造商:Linear Technology 功能描述:Volt Supervisor Monitor 1.8V/2.5V/3.3V/5V 8-Pin TSOT-23 |
| LTC2908CTS8-A1#TR | 功能描述:IC MON SIX SUPPLY PREC TSOT23-8 RoHS:否 类别:集成电路 (IC) >> PMIC - 监控器 系列:- 标准包装:1 系列:- 类型:简单复位/加电复位 监视电压数目:1 输出:开路漏极或开路集电极 复位:高有效 复位超时:- 电压 - 阀值:1.8V 工作温度:-40°C ~ 125°C 安装类型:表面贴装 封装/外壳:6-TSOP（0.059"，1.50mm 宽）5 引线 供应商设备封装:5-TSOP 包装:剪切带 (CT) 其它名称:NCP301HSN18T1GOSCT |
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