- 您现在的位置：买卖IC网 > PDF目录15323 > LTC2928CUHF#TRPBF (Linear Technology)IC PWR SUPPLY SEQUENCER 38-QFN PDF资料下载
参数资料
| 型号： | LTC2928CUHF#TRPBF |
| 厂商： | Linear Technology |
| 文件页数： | 1/32页 |
| 文件大小： | 0K |
| 描述： | IC PWR SUPPLY SEQUENCER 38-QFN |
| 标准包装： | 2,500 |
| 类型： | 序列发生器 |
| 监视电压数目： | 4 |
| 复位： | 低有效 |
| 复位超时： | 最小为 5 ms |
| 电压 - 阀值： | 可调节/可选择 |
| 工作温度： | 0°C ~ 70°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 38-WFQFN 裸露焊盘 |
| 供应商设备封装： | 38-QFN（5x7） |
| 包装： | 带卷 (TR) |
当前第1页第2页第3页第4页第5页第6页第7页第8页第9页第10页第11页第12页第13页第14页第15页第16页第17页第18页第19页第20页第21页第22页第23页第24页第25页第26页第27页第28页第29页第30页第31页第32页
LTC2928
Multichannel Power Supply
Sequencer and Supervisor
Easily Configure Power Management
Controls Up to Four Supplies per Device
Cascades for Additional Supplies
Staged Supply Sequencing with
Fault Event Reporting with Diagnostics
Selectable System Shutdown on Fault
1.5% Undervoltage Monitor Accuracy
Overvoltage and/or Fault Indication
Configurable Undervoltage and
Charge Pumped Enable Pins Drive N-Channel
Operates from 2.9V to 16.5V
5mm × 7mm 38-lead QFN and
Network/Telecom Infrastructure
Sequencing for Multiple I/O and Core Voltages
Power Management
FEATURES
■
without Software
■
■
■
Adjustable Time Positions
■
■
■
■
■
Overvoltage Thresholds
■
MOSFETs
■
■
36-lead SSOP Packages
APPLICATIO S
■
■
■
, LT, LTC and LTM are registered trademarks of Linear Technology Corporation. All
other trademarks are the property of their respective owners. Protected by U.S. Patents
including 4843302, 6949965.
TYPICAL APPLICATIO
DESCRIPTIO
The LTC ? 2928 is a four channel cascadable power
supply sequencer and high accuracy supervisor. Sequenc-
ing thresholds, order and timing are configured with just a
few external components, negating the need for PC board
layout or software changes during system development.
Multiple LTC2928s may be easily connected to sequence
an unlimited number of power supplies.
Sequence outputs control supply enable pins or
N-channel pass gates. Precision input comparators with
individual outputs monitor power supply voltages to 1.5%
accuracy. Supervisory functions include undervoltage
and overvoltage monitoring and reporting as well as μ P
reset generation. RST may be forced high to complement
margin testing.
Application faults, whether internally or externally gener-
ated, can shutdown all controlled supplies. The type and
source of faults are reported for diagnosis. Individual
channel controls are available to independently exercise
enable outputs and supervisory functions.
A high voltage input allows the LTC2928 to be powered
from voltages as high as 16.5V. A buffered reference
output permits single negative power supply sequencing
and monitoring operations.
12V
V IN
LTM4600
V OUT
RUN
10k
V IN
LTC3414
V OUT
3.3V
1.2V
3.3V
2.5V
Sequencing Up and Down
V IN
LTC1628
V OUT
RUN
2.5V
1.8V
1.2V
RUN
AUSTIN LYNX
V IN V OUT
Si7894ADP
1.8V
1V/DIV
AXA010AY93
100
12.1k
36.5k
ON
0.1 F
HV CC
EN2
EN1 EN4
EN3
23.2k
51.1k
RT3
V4
COMPLETE
ON
95.3k
24.3k
9.53k
1.5k
3.4k
1 F
RT1 V2
RT2 V3
LTC2928
RT4 RST
DONE OV
V CC FLT
GND MS1 VSEL RTMR PTMR STMR
0.047 F 3300pF
ALL RESISTORS 1%
ON V1
10k
10k
10k
SYSTEM
RESET
FAULT
10k
2928 TA06
DONE
START
SEQUENCE SEQUENCE UP
UP
START
SEQUENCE
DOWN
SEQUENCE
DOWN
COMPLETE
2928 TA07
2928f
1
相关PDF资料 |
PDF描述 |
|---|---|
| UPM1E122MHD | CAP ALUM 1200UF 25V 20% RADIAL |
| RMC18DREF | CONN EDGECARD 36POS .100 EYELET |
| ADM8695ARWZ | IC SUPERVSR MPU 4.65V ADJ 16SOIC |
| LTC2913CMS-2#PBF | IC VOLT MONITOR DUAL 10-MSOP |
| MIC2184YQS TR | IC REG CTRLR BUCK PWM CM 16-QSOP |
相关代理商/技术参数 |
参数描述 |
|---|---|
| LTC2928IG | 制造商:Linear Technology 功能描述:Volt Supervisor Sequencer 36-Pin SSOP |
| LTC2928IG#PBF | 功能描述:IC PWR SUPPLY SEQUENCER 36SSOP RoHS:是 类别:集成电路 (IC) >> PMIC - 监控器 系列:- 其它有关文件:STM6905 View All Specifications 标准包装:1 系列:- 类型:多压监控器 监视电压数目:5 输出:开路漏极或开路集电极 复位:低有效 复位超时:最小为 140 ms 电压 - 阀值:2.188V，2.955V，可调，可调，可调 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:8-TSSOP，8-MSOP（0.118"，3.00mm 宽） 供应商设备封装:8-TSSOP 包装:Digi-Reel® 产品目录页面:1197 (CN2011-ZH PDF) 其它名称:497-8728-6 |
| LTC2928IG#TRPBF | 功能描述:IC PWR SUPPLY SEQUENCER 36SSOP RoHS:是 类别:集成电路 (IC) >> PMIC - 监控器 系列:- 标准包装:1 系列:- 类型:简单复位/加电复位 监视电压数目:1 输出:开路漏极或开路集电极 复位:高有效 复位超时:- 电压 - 阀值:1.8V 工作温度:-40°C ~ 125°C 安装类型:表面贴装 封装/外壳:6-TSOP（0.059"，1.50mm 宽）5 引线 供应商设备封装:5-TSOP 包装:剪切带 (CT) 其它名称:NCP301HSN18T1GOSCT |
| LTC2928IUHF | 制造商:Linear Technology 功能描述:Volt Supervisor Sequencer 38-Pin QFN EP |
| LTC2928IUHF#PBF | 功能描述:IC PWR SUPPLY SEQUENCER 38-QFN RoHS:是 类别:集成电路 (IC) >> PMIC - 监控器 系列:- 其它有关文件:STM6905 View All Specifications 标准包装:1 系列:- 类型:多压监控器 监视电压数目:5 输出:开路漏极或开路集电极 复位:低有效 复位超时:最小为 140 ms 电压 - 阀值:2.188V，2.955V，可调，可调，可调 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:8-TSSOP，8-MSOP（0.118"，3.00mm 宽） 供应商设备封装:8-TSSOP 包装:Digi-Reel® 产品目录页面:1197 (CN2011-ZH PDF) 其它名称:497-8728-6 |
发布紧急采购，3分钟左右您将得到回复。