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LTC2914CGN-1

产品描述4-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO16
产品类别电源/电源管理    电源电路   
文件大小202KB,共16页
制造商Linear ( ADI )
官网地址http://www.analog.com/cn/index.html
相似器件已查找到7个与LTC2914CGN-1功能相似器件
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LTC2914CGN-1概述

4-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO16

4通道 供电支持电路, PDSO16

LTC2914CGN-1规格参数

参数名称属性值
是否无铅含铅
是否Rohs认证不符合
厂商名称Linear ( ADI )
零件包装代码SOIC
包装说明SSOP, SSOP16,.25
针数16
Reach Compliance Codenot_compliant
ECCN代码EAR99
可调阈值YES
模拟集成电路 - 其他类型POWER SUPPLY SUPPORT CIRCUIT
JESD-30 代码R-PDSO-G16
JESD-609代码e0
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
封装等效代码SSOP16,.25
封装形状RECTANGULAR
封装形式SMALL OUTLINE, SHRINK PITCH
峰值回流温度(摄氏度)235
电源3.3 V
认证状态Not Qualified
座面最大高度1.75 mm
最大供电电流 (Isup)0.1 mA
最大供电电压 (Vsup)6 V
最小供电电压 (Vsup)2.3 V
标称供电电压 (Vsup)3.3 V
表面贴装YES
技术CMOS
温度等级COMMERCIAL
端子面层Tin/Lead (Sn/Pb)
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20
宽度3.899 mm

文档解析

LTC2914提供精确的四电压监控解决方案,确保系统电源的稳定性和安全性。每个监控通道配备双输入,可独立设置欠压和过压阈值,实现全面电压管理。器件的阈值精度高达±1.5%,覆盖全温度范围,为关键应用提供可靠保障。 特性包括可调复位超时功能,通过外部电容设置延迟时间,防止短暂电压波动导致误复位。输入电流极低,仅±15nA,减少对监控电路的影响。支持负电压监控,通过三态极性选择引脚简化配置。缓冲参考输出提供稳定1V电压,用于电平转换。 在工业和控制系统中,LTC2914用于监控多路电源,如5V、3.3V、2.5V和1.8V电源轨。其小尺寸封装和低功耗特性使其适合嵌入式设备和便携式仪器。开漏输出支持多器件并联,简化系统设计,提升整体可靠性。

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FEATURES
LTC2914
Quad UV/OV
Positive/Negative
Voltage Monitor
DESCRIPTIO
The LTC
®
2914 is a quad input voltage monitor intended for
monitoring multiple voltages in a variety of applications.
Dual inputs for each monitored voltage allow monitor-
ing four separate undervoltage (UV) conditions and four
separate overvoltage (OV) conditions. All monitors share a
common undervoltage output and a common overvoltage
output. The LTC2914-1 has latching capability for the
overvoltage output. The LTC2914-2 has functionality to
disable both the overvoltage and undervoltage outputs.
Polarity selection and a buffered reference allow monitoring
up to two separate negative voltages. A three-state input pin
allows setting the polarity of two inputs without requiring
any external components. Glitch filtering ensures reliable
reset operation without false or noisy triggering.
The LTC2914 provides a precise, versatile, space-con-
scious, micropower solution for voltage monitoring.
, LT, LTC and LTM are registered trademarks of Linear Technology Corporation.
All other trademarks are the property of their respective owners.
Monitors Four Voltages Simultaneously
Adjustable UV and OV Trip Values
Guaranteed Threshold Accuracy: ±1.5% of
Monitored Voltage over Temperature
Input Glitch Rejection
Monitors up to Two Negative Voltages
Buffered 1V Reference Output
Adjustable Reset Timeout with Timeout Disable
70µA Quiescent Current
Open-Drain OV and UV Outputs
Guaranteed OV and UV for V
CC
≥ 1V
Available in 16-Lead SSOP and 16-Lead
(5mm
×
3mm) DFN Packages
APPLICATIO S
Desktop and Notebook Computers
Network Servers
Core, I/O Voltage Monitors
TYPICAL APPLICATIO
P0WER
SUPPLIES
5V
3.3V
2.5V
1.8V
Quad UV/OV Supply Monitor,10% Tolerance, 5V, 3.3V, 2.5V, 1.8V
0.1µF
44.2k
VH1
1k
27.4k
VL1
VH2
4.53k
1k
4.53k
19.6k
VL2
REF
VH3
1k
12.4k
VL3
VH4
4.53k
1k
VL4
GND
4.53k
TMR
C
TMR
22nF
2914 TA01a
V
CC
THRESHOLD VOLTAGE, V
OUT
(V)
0.505
SEL
OV
SYSTEM
UV
0.504
0.503
0.502
0.501
0.500
0.499
0.498
0.497
0.496
0.495
–50
–25
25
50
0
TEMPERATURE (°C)
75
100
2914 G01
LTC2914-1
LATCH
TIMEOUT = 200ms
2914f
U
U
U
Input Threshold Voltage
vs Temperature
1

LTC2914CGN-1相似产品对比

LTC2914CGN-1 LTC2914CDHC-1 LTC2914IDHC-1 LTC2914IGN-2 LTC2914IGN-1 LTC2914IDHC-2 LTC2914CGN-2 LTC2914CDHC-2
描述 4-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO16 4-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO16 4-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO16 4-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO16 4-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO16 4-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO16 4-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO16 4-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO16
是否Rohs认证 不符合 不符合 不符合 不符合 不符合 不符合 不符合 不符合
零件包装代码 SOIC DFN SON SSOP SOIC SON SOIC SON
包装说明 SSOP, SSOP16,.25 HVSON, SOLCC16,.12,20 HVSON, SOLCC16,.12,20 SSOP, SSOP16,.25 SSOP, SSOP16,.25 HVSON, SOLCC16,.12,20 SSOP, SSOP16,.25 HVSON, SOLCC16,.12,20
针数 16 16 16 16 16 16 16 16
Reach Compliance Code not_compliant _compli _compli _compli _compli not_compliant not_compliant not_compliant
ECCN代码 EAR99 EAR99 EAR99 EAR99 EAR99 EAR99 EAR99 EAR99
可调阈值 YES YES YES YES YES YES YES YES
模拟集成电路 - 其他类型 POWER SUPPLY SUPPORT CIRCUIT POWER SUPPLY SUPPORT CIRCUIT POWER SUPPLY SUPPORT CIRCUIT POWER SUPPLY SUPPORT CIRCUIT POWER SUPPLY SUPPORT CIRCUIT POWER SUPPLY SUPPORT CIRCUIT POWER SUPPLY SUPPORT CIRCUIT POWER SUPPLY SUPPORT CIRCUIT
JESD-30 代码 R-PDSO-G16 R-PDSO-N16 R-PDSO-N16 R-PDSO-G16 R-PDSO-G16 R-PDSO-N16 R-PDSO-G16 R-PDSO-N16
JESD-609代码 e0 e0 e0 e0 e0 e0 e0 e0
长度 4.8895 mm 5 mm 5 mm 4.8895 mm 4.8895 mm 5 mm 4.8895 mm 5 mm
湿度敏感等级 1 1 1 1 1 1 1 1
信道数量 4 4 4 4 4 4 4 4
功能数量 1 1 1 1 1 1 1 1
端子数量 16 16 16 16 16 16 16 16
最高工作温度 70 °C 70 °C 85 °C 85 °C 85 °C 85 °C 70 °C 70 °C
封装主体材料 PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY
封装代码 SSOP HVSON HVSON SSOP SSOP HVSON SSOP HVSON
封装等效代码 SSOP16,.25 SOLCC16,.12,20 SOLCC16,.12,20 SSOP16,.25 SSOP16,.25 SOLCC16,.12,20 SSOP16,.25 SOLCC16,.12,20
封装形状 RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR
封装形式 SMALL OUTLINE, SHRINK PITCH SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE SMALL OUTLINE, SHRINK PITCH SMALL OUTLINE, SHRINK PITCH SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE SMALL OUTLINE, SHRINK PITCH SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE
峰值回流温度(摄氏度) 235 235 235 235 235 235 235 235
电源 3.3 V 3.3 V 3.3 V 3.3 V 3.3 V 3.3 V 3.3 V 3.3 V
认证状态 Not Qualified Not Qualified Not Qualified Not Qualified Not Qualified Not Qualified Not Qualified Not Qualified
座面最大高度 1.75 mm 0.8 mm 0.8 mm 1.75 mm 1.75 mm 0.8 mm 1.75 mm 0.8 mm
最大供电电流 (Isup) 0.1 mA 0.1 mA 0.1 mA 0.1 mA 0.1 mA 0.1 mA 0.1 mA 0.1 mA
最大供电电压 (Vsup) 6 V 6 V 6 V 6 V 6 V 6 V 6 V 6 V
最小供电电压 (Vsup) 2.3 V 2.3 V 2.3 V 2.3 V 2.3 V 2.3 V 2.3 V 2.3 V
标称供电电压 (Vsup) 3.3 V 3.3 V 3.3 V 3.3 V 3.3 V 3.3 V 3.3 V 3.3 V
表面贴装 YES YES YES YES YES YES YES YES
技术 CMOS CMOS CMOS CMOS CMOS CMOS CMOS CMOS
温度等级 COMMERCIAL COMMERCIAL INDUSTRIAL INDUSTRIAL INDUSTRIAL INDUSTRIAL COMMERCIAL COMMERCIAL
端子面层 Tin/Lead (Sn/Pb) Tin/Lead (Sn/Pb) Tin/Lead (Sn/Pb) Tin/Lead (Sn/Pb) Tin/Lead (Sn/Pb) Tin/Lead (Sn/Pb) Tin/Lead (Sn/Pb) Tin/Lead (Sn/Pb)
端子形式 GULL WING NO LEAD NO LEAD GULL WING GULL WING NO LEAD GULL WING NO LEAD
端子节距 0.635 mm 0.5 mm 0.5 mm 0.635 mm 0.635 mm 0.5 mm 0.635 mm 0.5 mm
端子位置 DUAL DUAL DUAL DUAL DUAL DUAL DUAL DUAL
处于峰值回流温度下的最长时间 20 20 20 20 20 20 20 20
宽度 3.899 mm 3 mm 3 mm 3.899 mm 3.899 mm 3 mm 3.899 mm 3 mm
是否无铅 含铅 - 含铅 - 含铅 含铅 含铅 含铅
厂商名称 Linear ( ADI ) Linear ( ADI ) Linear ( ADI ) Linear ( ADI ) - Linear ( ADI ) Linear ( ADI ) Linear ( ADI )

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