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LTC2953IDD-1#PBF PDF预览

LTC2953IDD-1#PBF - LINEAR TECHNOLOGY

监控光电二极管
型号:
LTC2953IDD-1#PBF
Datasheet下载:
下载Datasheet文件
产品描述:
LTC2953 - Push Button On/Off Controller with Voltage Monitoring; Package: DFN; Pins: 12; Temperature Range: -40°C to 85°C
应用标签:
监控光电二极管
文档页数/大小:
20页 / 189K
品牌Logo:
品牌名称:
LINER [ LINEAR TECHNOLOGY ]

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LTC2953IDD-1#PBF

应用: 监控光电二极管

文档: 20页 / 189K

品牌: LINER

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Brand Name
Linear Technology
是否Rohs认证
符合
生命周期
Transferred
零件包装代码
DFN
包装说明
HVSON, SOLCC12,.12,20
针数
12
制造商包装代码
DD
Reach Compliance Code
compliant
ECCN代码
EAR99
HTS代码
8542.39.00.01
风险等级
7.5
可调阈值
YES
模拟集成电路 - 其他类型
POWER SUPPLY SUPPORT CIRCUIT
JESD-30 代码
S-PDSO-N12
JESD-609代码
e3
长度
3 mm
湿度敏感等级
1
信道数量
1
功能数量
1
端子数量
12
最高工作温度
85 °C
最低工作温度
-40 °C
封装主体材料
PLASTIC/EPOXY
封装代码
HVSON
封装等效代码
SOLCC12,.12,20
封装形状
SQUARE
封装形式
SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE
峰值回流温度(摄氏度)
260
电源
2.7/28 V
认证状态
Not Qualified
座面最大高度
0.8 mm
子类别
Power Management Circuits
最大供电电流 (Isup)
0.026 mA
最大供电电压 (Vsup)
27 V
最小供电电压 (Vsup)
2.7 V
表面贴装
YES
技术
CMOS
温度等级
INDUSTRIAL
端子面层
Matte Tin (Sn)
端子形式
NO LEAD
端子节距
0.45 mm
端子位置
DUAL
处于峰值回流温度下的最长时间
30
宽度
3 mm
Base Number Matches
1
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FEATURES
LTC2953
Push Button
On/Off Controller
with Voltage Monitoring
DESCRIPTION
The LTC
®
2953 is a push button On/Off controller that
manages system power via a push button interface. An
enable output toggles system power while an interrupt
output provides debounced push button status. The inter-
rupt output can be used in menu driven applications to
request a system power down.
The LTC2953 also features input and output power sup-
ply monitors. An uncommitted power fail comparator
provides real time input monitor information, while a
de-glitched under voltage lockout comparator gracefully
initiates a system power down. The under voltage lockout
comparator prevents the system from powering from a
low power supply.
The adjustable supply monitor input is compared against
an accurate internal 0.5V reference. The reset output
remains low until the supply monitor input has been in
compliance for 200ms.
The LTC2953 operates over a wide 2.7V to 27V input
voltage range and draws only 14μA of current. Two ver-
sions of the part accommodate either positive or negative
enable polarities.
, LT, LTC and LTM are registered trademarks of Linear Technology Corporation.
All other trademarks are the property of their respective owners.
Wide Operating Voltage Range: 2.7V to 27V
Push Button Control of System Power
Low Supply Current: 14μA
Power Fail Comparator Generates Warning
UVLO Comparator Gracefully Latches Power Off
Adjustable Supply Monitor with 200ms Reset
Adjustable Power Down Timer
Low Leakage EN Output (LTC2953-1) Allows DC/DC
Converter Control
High Voltage
E
N Output (LTC2953-2) Allows Circuit
Breaker Control
Simple Interface Allows Orderly System Power Up
and Power Down
±1.5% Threshold Tolerances
±10kV ESD HBM on
P
B Input
12-Pin 3mm
×
3mm DFN
APPLICATIONS
Push Button Power Path Control
Battery Power Supervisor
Portable Instrumentation, PDA
Blade Servers
Desktop and Notebook Computers
TYPICAL APPLICATION
V
IN
V
OUT
DC/DC
SHDN
100k
100k
100k
100k
RST
PFO
INT
KILL
PDT
1μF
t
PDT
= 6.4 SECONDS
2953f
2953 TA01
Push Button On/Off Control with Interrupt
3.3V
TURN ON PULSE
PB
SHORT
INTERRUPT PULSE
LONG
TURN OFF PULSE
+
8.4V
2150k
UVLO
V
IN
EN
100k
23.2k
PFI
196k
LTC2953-1
VM
499k
EN
TURNS ON
STAYS ON
TURNS OFF
PB
ON/OFF
GND
RST
GPIO
INT SYSTEM
LOGIC
KILL
INT
INTERRUPT
INTERRUPT
2954 TD01b
1

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