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参数资料
| 型号： | LTC1728HS5-5 |
| 厂商： | LINEAR TECHNOLOGY CORP |
| 元件分类： | 电源管理 |
| 英文描述： | 3-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO5 |
| 封装： | PLASTIC, SOT-23, 5 PIN |
| 文件页数： | 14/16页 |
| 文件大小： | 197K |
| 代理商： | LTC1728HS5-5 |
7
LTC1727/LTC1728
17278fb
(LTC1727/LTC1728)
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PI FU CTIO S
VCC3 (Pin 1/Pin 5): 3.3V Sense Input and Power
Supply Pin. (3V Sense Input and Power Supply Pin for
LTC1728-1.8.) This pin provides power to the part
when the voltage on VCC3 is greater than the voltage on
VCC5/VCC25/VCC18. Bypass to ground with a ≥ 0.1F
ceramic capacitor.
VCC5 (Pin 2/Pin 4): 5V Sense Input and Power Supply
Pin. This pin is used on the LTC1727-5/LTC1728-5 to
provide power to the part when the voltage on VCC5 is
greater than the voltage on VCC3. Bypass to ground with
a
≥0.1F ceramic capacitor.
VCC25 (Pin 2/Pin 4): 2.5V Sense Input and Power Supply
Pin. This pin is used on the LTC1727-2.5/LTC1728-2.5 to
provide power to the part when the voltage on VCC25 is
greater than the voltage on VCC3. Bypass to ground with
a
≥0.1F ceramic capacitor.
VCC18 (Pin 2/Pin 4): 1.8V Sense Input and Power Supply
Pin. This pin is used on the LTC1728-1.8/LTC1728-3.3 to
provide power to the part when the voltage on VCC18 is
greater than the voltage on VCC3. Bypass to ground with
a
≥0.1F ceramic capacitor.
VCCA (Pin 3/Pin 3): 1V Sense, High Impedance Input. If
unused, it can be tied to either VCC3 or VCC5/VCC25/VCC18.
GND (Pin 4/Pin 2): Ground.
COMPA (Pin 5): VCCAComparatorOutputfortheLTC1727.
Active high, open-drain logic output with weak pull-up to
VCC3. Asserted when VCCA is above VRTA. Deasserted
when VCCA is below VRTA or if both the VCC3 and VCC5
supply pins are too low to power the internal bandgap
reference (typically < 2.0V). Can be pulled greater than
VCC3 using an external pull-up.
RST (Pin 6/Pin 1): Reset Logic Output. Active low, open-
drain logic output with weak pull-up to VCC3. Can be pulled
up greater than VCC3 when interfacing to 5V logic. As-
serted when one or all of the supplies are below trip thresh-
olds and held for 200ms after all supplies become valid.
COMP5 (Pin 7): VCC5 Comparator Output for the
LTC1727-5. Active high, open-drain logic output with
weak pull-up to VCC3. Asserted when VCC5 is above VRT5.
Can be pulled greater than VCC3 using an external pull-up.
COMP25 (Pin 7): VCC25 Comparator Output for the
LTC1727-2.5. Active high, open-drain logic output with
weak pull-up to VCC3. Asserted when VCC25 is above
VRT25. Can be pulled greater than VCC3 using an external
pull-up.
COMP3 (Pin 8): VCC3 ComparatorOutputfortheLTC1727.
Active high, open-drain logic output with weak pull-up to
VCC3. Asserted when VCC3 is above VRT3. Can be pulled
greater than VCC3 using an external pull-up.
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相关代理商/技术参数 |
参数描述 |
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| LTC1728HS5-5#PBF | 制造商:Linear Technology 功能描述:MONITOR TRIPLE 4.675V ACT LW 5SOT23 制造商:Linear Technology 功能描述:MONITOR, TRIPLE, 4.675V, ACT LW, 5SOT23 制造商:Linear Technology 功能描述:MS-System Monitor/Supervisor, Cut Tape uP Precision Triple Supply Monitor |
| LTC1728HS5-5#TRMPBF | 功能描述:IC MON TRPL MCRPWR TSOT23-5 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 |
| LTC1728HS5-5#TRPBF | 功能描述:IC MON TRPL MCRPWR TSOT23-5 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 |
| LTC1729CMS8-4.1 | 功能描述:IC CTRLR BATT CHRGR LI-ION 8MSOP RoHS:否 类别:集成电路 (IC) >> PMIC - 电池管理 系列:- 标准包装:61 系列:- 功能:电源管理 电池化学:锂离子（Li-Ion）、锂聚合物（Li-Pol） 电源电压:4.35 V ~ 5.5 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:22-WFDFN 裸露焊盘 供应商设备封装:22-DFN（6x3）裸露焊盘 包装:管件 |
| LTC1729CMS8-4.1#PBF | 功能描述:IC CTRLR BATT CHRGR LI-ION 8MSOP RoHS:是 类别:集成电路 (IC) >> PMIC - 电池管理 系列:- 标准包装:1 系列:- 功能:充电管理 电池化学:锂离子（Li-Ion）、锂聚合物（Li-Pol） 电源电压:3.75 V ~ 6 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:SC-74A，SOT-753 供应商设备封装:SOT-23-5 包装:剪切带 (CT) 产品目录页面:669 (CN2011-ZH PDF) 其它名称:MCP73831T-2ACI/OTCT |
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