参数资料
型号: LTC4211CS8
厂商: Linear Technology
文件页数: 40/40页
文件大小: 321K
描述: IC CONTROLLER HOT SWAP 8-SOIC
标准包装: 100
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: 0°C ~ 70°C
安装类型: 表面贴装
封装/外壳: 8-SOIC(0.154",3.90mm 宽)
供应商设备封装: 8-SOIC
包装: 管件
LTC4211
40
4211fb
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900
?/DIV>
 FAX: (408) 434-0507
 ?
 www.linear.com
?LINEAR TECHNOLOGY CORPORA TION 2006
LT 0312 REV B " PRINTED IN USA
RELATED PARTS
TYPICAL APPLICATION
LOW COST OVERVOLTAGE PROTECTION
There is an alternative method to implementing the over-
voltage protection using a resistor divider at the FILTER
pin (see Figures 27 and 28). In this implementation, the
SLOW COMP is NULL in Normal Mode. Only the FAST
COMP circuit breaker is available and the current limit
level is 150mV/R
SENSE
. During the soft-cycle, the inrush
current servo loop is at 50mV/R
SENSE
. So, the heavy load
should only turn on at/after the end of second cycle where
the RESET pin goes high.
Figure 27. LTC4211MS High Side Overvoltage Protection Implementation
(In Normal Mode, SLOW COMP Is Disabled. In Soft-Start Cycle, I
SOFTSTART
 Is Still 50mV/R
SENSE
)
Figure 28. LTC4211MS Low Side Overvoltage Protection Implementation
(In Normal Mode, SLOW COMP Is Disabled. In Soft-Start Cycle, I
SOFTSTART
 Is Still 50mV/R
SENSE
)
1
2
3
4
5
10
9
8
7
6
FAULT
V
CC
SENSE
GATE
FB
RESET
ON
FILTER
TIMER
GND
LTC4211
Q1
Si4410DY
R1
3.6k
V
OUT
5V
5A
R2
750?/DIV>
C
LOAD
4211 F28
R
SENSE
0.007?/DIV>
+
R8
750?/DIV>
C
TIMER
10nF
LONG
5V
GND
FAULT
LONG
PCB EDGE
CONNECTOR
(MALE)
BACKPLANE
CONNECTOR
(FEMALE)
SHORT
SHORT
SHORT
RESET
ON/OFF
R7
10?/DIV>
Z1*
C1
0.1糉
R4
10k
R6
10k
R5
10k
R3
10k
Z1 = 1SMA10A OR SMAJ10A
* OPTIONAL
PART NUMBER
DESCRIPTION
COMMENTS
LTC1421
Two Channels, Hot Swap Controller
24-Pin, Operates from 3V to 12V and Supports 12V
LTC1422
Single Channel, Hot Swap Controller
8-Pin, Operates from 2.7V to 12V
LT1640AL/LT1640AH   Negative Voltage Hot Swap Controller
8-Pin, Operates from 10V to 80V
LT1641-1/LT1641-2    Positive Voltage Hot Swap Controller
8-Pin, Operates from 9V to 80V, Latch-Off/Auto Retry
LTC1642
Single Channel, Hot Swap Controller
16-Pin, Overvoltage Protection to 33V
LTC1644
PCI Hot Swap Controller
16-Pin, 3.3V, 5V and ?2V, 1V Precharge, PCI Reset Logic
LTC1647
Dual Channel, Hot Swap Controller
8-Pin, 16-Pin, Operates from 2.7V to 16.5V
LTC4230
Triple Hot Swap Controller with Multifunction Current Control    Operates from 1.7V to 16.5V
1
2
3
4
5
10
9
8
7
6
FAULT
V
CC
SENSE
GATE
FB
RESET
ON
FILTER
TIMER
GND
LTC4211
Q1
Si4410DY
R1
36k
V
OUT
5V
5A
R2
15k
C
LOAD
4211 F27
R
SENSE
0.007?/DIV>
+
C
TIMER
10nF
LONG
5V
GND
FAULT
LONG
PCB EDGE
CONNECTOR
(MALE)
BACKPLANE
CONNECTOR
(FEMALE)
SHORT
SHORT
SHORT
RESET
ON/OFF
R3
10?/DIV>
Z1*
C1
0.1糉
R5
10k
R6
10k
R8
4.3k
R7
10k
R9
750?/DIV>
R4
10k
Z1 = 1SMA10A OR SMAJ10A
* OPTIONAL
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