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参数资料
| 型号： | LTC2951IDDB-1#TRMPBF |
| 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, LEAD FREE, PLASTIC, MO-229WEED-1, DFN-8 |
| 文件页数： | 6/16页 |
| 文件大小： | 213K |
| 代理商： | LTC2951IDDB-1#TRMPBF |
LTC2951-1/LTC2951-2
14
295112fa
External Pull-Up Resistor on PB
An internal pull-up resistor on the PB pin makes an ex-
ternal pull-up resistor unnecessary. Leakage current on
the PB board trace, however, will affect the open circuit
voltage on the PB pin. If the leakage is too large (>2A),
the PB voltage may fall close to the threshold window.
To mitigate the effect of the board leakage, a 10k resistor
to VIN is recommended (see Figure 9).
PB
VIN
LTC2951-1/
LTC2951-2
GND
EXTERNAL BOARD
LEAKAGE CURRENT
100k
2.4V
R7
10k
2951 F09
>2
A
PINS OMITTED
FOR CLARITY
IF EXTERNAL PARASITIC BOARD
LEAKAGE >2
A, USE EXTERNAL
PULL-UP RESISTOR
VIN
Figure 9. External Pull-Up Resistor on PB Pin
Reverse Battery Protection
To protect the LTC2951 from a reverse battery connec-
tion, place a 1k resistor (R8) in series with the VIN pin
(see Figure 10).
TYPICAL APPLICATIO S
U
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相关代理商/技术参数 |
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| LTC2951IDDB-2#TRMPBF | 功能描述:IC PUSH BUTTON ON/OFF CTRLR 8DFN RoHS:是 类别:集成电路 (IC) >> PMIC - 电源控制器，监视器 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:2,500 系列:- 应用:多相控制器 输入电压:- 电源电压:9 V ~ 14 V 电流 - 电源:- 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:40-WFQFN 裸露焊盘 供应商设备封装:40-TQFN-EP（5x5） 包装:带卷 (TR) |
| LTC2951IDDB-2#TRPBF | 功能描述:IC PUSH BUTTON ON/OFF CTRLR 8DFN RoHS:是 类别:集成电路 (IC) >> PMIC - 电源控制器，监视器 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:2,500 系列:- 应用:多相控制器 输入电压:- 电源电压:9 V ~ 14 V 电流 - 电源:- 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:40-WFQFN 裸露焊盘 供应商设备封装:40-TQFN-EP（5x5） 包装:带卷 (TR) |
| LTC2951ITS8-1 | 制造商:Linear Technology 功能描述:Push Button Controller 8-Pin TSOT-23 |
| LTC2951ITS8-1#PBF | 制造商:Linear Technology 功能描述:MS-System Monitor/Other, Cut Tape Basic Push Button On/Off Controller (Adjustabl |
| LTC2951ITS8-1#TRM | 制造商:Linear Technology 功能描述:Push Button Controller 8-Pin TSOT-23 T/R |
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