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参数资料
| 型号： | LTC2912IDDB-1 |
| 厂商： | LINEAR TECHNOLOGY CORP |
| 元件分类： | 电源管理 |
| 英文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO8 |
| 封装： | 3 X 2 MM, PLASTIC, MO-229WECD-1, DFN-8 |
| 文件页数： | 1/12页 |
| 文件大小： | 168K |
| 代理商： | LTC2912IDDB-1 |
LTC2912
1
2912fa
TYPICAL APPLICATION
FEATURES
APPLICATIONS
DESCRIPTION
Single UV/OV
Voltage Monitor
The LTC
2912 voltage monitor is designed to detect power
supply undervoltage and overvoltage events. The VL and
VH monitor inputs include ltering to reject brief glitches,
thereby ensuring reliable reset operation without false or
noisy triggering. An adjustable timer denes the duration of
the overvoltage and undervoltage reset outputs which func-
tion independently. While the LTC2912 operates directly
from 2.3V to 6V supplies, an internal VCC shunt regulator
coupled with low supply current demand allows operation
from higher voltages such as 12V, 24V or 48V.
Three output congurations are available: the LTC2912-
1 has a latch control for the OV output; the LTC2912-2
has an OV and UV output disable feature for margining
applications; the LTC2912-3 is identical to the LTC2912-1
but with a noninverting, OV output.
The LTC2912 provides a precise, versatile, space-conscious
micropower solution for voltage monitoring.
■
Monitors Single Voltage
■
Adjustable UV and OV Trip Values
■
Guaranteed Threshold Accuracy: ±1.5%
■
Power Supply Glitch Immunity
■
Adjustable Reset Timeout with Timeout Disable
■
29μA Quiescent Current
■
Open-Drain OV and UV Outputs
■
Guaranteed OV and UV for VCC ≥ 1V
■
Available in 8-Lead ThinSOT
TM and (3mm × 2mm)
DFN Packages
■
Desktop and Notebook Computers
■
Network Servers
■
Core, I/O Voltage Monitors
Single OV/UV Supply Monitor, 3.3V ±10% Tolerance
Reset Time-Out Period vs Capacitance
, LT, LTC and LTM 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.
1k
27.4k
VH
VL
GND
TMR
SYSTEM
POWER
SUPPLY
OV
UV
2912 TA01a
LATCH
22nF
TIMEOUT = 200ms
4.53k
VCC
LTC2912-1
0.1μF
3.3V
TMR PIN CAPACITANCE, CTMR (nF)
10
UV/OV
TIMEOUT
PERIOD,
t
UOTO
(ms)
100
1000
10000
0.1
10
100
1000
2912 G08
1
相关PDF资料 |
PDF描述 |
|---|---|
| LTC2912IDDB-2 | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO8 |
| LTC2912ITS8-3 | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO8 |
| LTC2912HTS8-1#PBF | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO8 |
| LTC2912HTS8-1#TR | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO8 |
| LTC2912HDDB-2#PBF | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO8 |
相关代理商/技术参数 |
参数描述 |
|---|---|
| LTC2912IDDB-1#TRMPBF | 功能描述:IC VOLT MONITOR SNGL 8-DFN 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 |
| LTC2912IDDB-1#TRPBF | 功能描述:IC VOLT MONITOR SNGL 8-DFN 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 |
| LTC2912IDDB-2#PBF | 制造商:Linear Technology 功能描述:MS-System Monitor/Supervisor, Cut Tape Single UV/OV Monitor |
| LTC2912IDDB-2#TRMPBF | 功能描述:IC VOLT MONITOR SNGL 8-DFN 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 |
| LTC2912IDDB-2#TRPBF | 功能描述:IC VOLT MONITOR SNGL 8-DFN 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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