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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： | 1/16页 |
| 文件大小： | 213K |
| 代理商： | LTC2951IDDB-1#TRMPBF |
LTC2951-1/LTC2951-2
1
295112fa
EN
2V/DIV
PB
25ms/DIV
2951 TA01b
128ms
Push Button On/Off
Controller
The LTC2951 is a micropower, wide input voltage range
push button ON/OFF controller. The part contains a push
button input which controls the toggling of an open drain
enable output. The push button turn OFF debounce time
is externally programmable, while the turn ON debounce
time is xed at 128ms. A simple microprocessor interface
allows for proper system housekeeping prior to power
down. Under system fault conditions, an adjustable KILL
timeout delay ensures proper power down.
The LTC2951 operates over a 2.7V to 26V input voltage
range to accommodate a variety of input power supplies.
Very low quiescent current (6A typical) makes the
LTC2951 ideally suited for battery powered applications.
Two versions of the part are available to accommodate
either positive or negative enable polarities. The parts
are available in 8-pin 3mm × 2mm DFN and ThinSOT
packages.
■
Portable Instrumentation Meters
■
Blade Servers
■
Portable Customer Service PDA
■
Desktop and Notebook Computers
■
Adjustable Push Button Debounce and Delay
Timers
■
Low Supply Current: 6A
■
Wide Operating Voltage Range: 2.7V to 26V
■
EN Output (LTC2951-1) Allows DC/DC Converter
Control
■
EN Output (LTC2951-2) Allows Circuit Breaker
Control
■
Simple Interface Allows Graceful P Shut Down
■
High Input Voltage PB Pin with Internal Pull Up
Resistor
■
±10kV ESD HBM on PB Input
■
Accurate 0.6V Threshold on KILL Comparator Input
■
8-Pin 3mm × 2mm DFN and ThinSOT
TM Packages
VIN
SHDN
VIN
VOUT
EN
INT
KILL
INT
KILL
LTC2951-1
KILLT
OFFT
DC/DC
BUCK
P/C
3V – 26V
*OPTIONAL
R1
10k
2951 TA01
CKILLT*
0.033
F
COFFT*
0.033
F
PB
GND
VIN
, 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.
APPLICATIO S
U
FEATURES
DESCRIPTIO
U
TYPICAL APPLICATIO
U
Turn On Debounce
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相关代理商/技术参数 |
参数描述 |
|---|---|
| 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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