参数资料
型号: LTC4212IMS
厂商: Linear Technology
文件页数: 18/24页
文件大小: 234K
描述: IC CTRLR HOTSWAP TIMEOUT 10MSOP
标准包装: 50
类型: 热交换控制器
应用: 通用
内部开关:
电源电压: 2.5 V ~ 16.5 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 10-TFSOP,10-MSOP(0.118",3.00mm 宽)
供应商设备封装: 10-MSOP
包装: 管件
18
LTC4212
4212f
OPERATIO
Figure 4. Power-Up with Overcurrent, Slow Comparator Trips the Circuit Breaker
V
CC
V
CC
ON
V
REF
2.34V
V
REF
TIMER
GATE
DC/DC
CONVERTER
OUTPUT
V
CC
  V
SENSE
FAULT
PGT
PGI
PGF
4212 F04
1
2
3
4   5  6
7
8   9
10  11
13
12
1415
16
POWER GOOD TIMER
ENABLED (C
PGT
)
0.95V
0.65V
2ND TIMING
CYCLE (C
TIMER
)
1ST TIMING
CYCLE (C
TIMER
)
1ST TIMING
CYCLE (C
TIMER
)
SOFT-START
ACTIVE
V
REF
V
CC
  V
SENSE
 = 50mV
> 50mV, >18祍
It consists of the time the FAULT pin takes to discharge
C
AUTO
 (Time Points 9 to 10), the 120祍 needed to reset the
circuit breaker (Time Points 9 to 11), the time it takes the
pull-up resistor at the ON pin to charge C
AUTO
 above
1.316V (Time Points 11 to 12) and the elapsed time before
the external N-channel starts to conduct during the second
timing cycle (Time Points 12 to 16).
Sense Resistor Considerations
The fault current level at which the LTC4212s internal
electronic circuit breaker trips is determined by a sense
resistor connected between the LTC4212s V
CC
 and SENSE
pins and two separate trip points. The first trip point is set
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相关代理商/技术参数
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LTC4212IMS#PBF 功能描述:IC CTRLR HOTSWAP TIMEOUT 10MSOP RoHS:是 类别:集成电路 (IC) >> PMIC - 热交换 系列:- 产品培训模块:Obsolescence Mitigation Program 标准包装:100 系列:- 类型:热插拔开关 应用:通用 内部开关:是 电流限制:可调 电源电压:9 V ~ 13.2 V 工作温度:-40°C ~ 150°C 安装类型:表面贴装 封装/外壳:10-WFDFN 裸露焊盘 供应商设备封装:10-TDFN-EP(3x3) 包装:管件
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