参数资料
型号: LTC4211IS8
厂商: Linear Technology
文件页数: 3/40页
文件大小: 321K
描述: IC CTRLR HOTSWAP CURR CTRL 8SOIC
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: -40°C ~ 85°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
3
4211fb
ELECTRICAL CHARACTERISTICS
 
The l denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at T
A
 = 25癈. V
CC
 = 5V, unless otherwise noted. (Note 2)
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
I
INON
ON Input Current
V
ON
 = V
CC
 or GND
?
?0
I
LEAK
RESET, FAULT Leakage Current
V
RESET
 = V
FAULT
 = 15V, Pull-Down Device Off
l
?.1
?.5
I
INSENSE
SENSE Input Current
V
SENSE
 = V
CC
 or GND
?
?0
V
CB(FAST)
SENSE Trip Voltage (V
CC
  V
SENSE
)
Fast Comparator Trips
l
130
150
170
mV
V
CB(SLOW)
SENSE Trip Voltage (V
CC
  V
SENSE
)
Slow Comparator Trips
l
40
50
60
mV
I
GATEUP
GATE Pull-Up Current
Charge Pump On, V
GATE
 d 0.2V
l
12.5
10
7.5
I
GATEDOWN
Normal GATE Pull-Down Current
ON Low
l
130
200
270
Fast GATE Pull-Down Current
FAULT Latched and Circuit Breaker Tripped or in
UVLO
50
mA
GATE
External N-Channel Gate Drive
V
GATE
  V
CC
 (For V
CC
 = 2.5V)
V
GATE
  V
CC
 (For V
CC
 = 2.7V)
V
GATE
  V
CC
 (For V
CC
 = 3.3V)
V
GATE
  V
CC
 (For V
CC
 = 5V)
V
GATE
  V
CC
 (For V
CC
 = 12V)
V
GATE
  V
CC
 (For V
CC
 = 15V)
l
l
l
l
l
l
2.5
4.5
5.0
10
10
8
8
8
10
16
18
18
V
V
V
V
V
V
V
GATEOV
GATE Overvoltage Lockout Threshold
l
0.08
0.2
0.3
V
V
FB
FB Voltage Threshold
FB High to Low
l
1.223
1.236
1.248
V
FB
FB Threshold Line Regulation
2.5V d V
CC
 d 16.5V
l
0.5
5
mV
V
FBHST
FB Voltage Threshold Hysteresis
3
mV
V
ONHI
ON Threshold High
l
1.23
1.316
1.39
V
V
ONLO
ON Threshold Low
l
1.20
1.236
1.26
V
V
ONHST
ON Hysteresis
80
mV
I
FILTER
FILTER Current
During Slow Fault Condition
l
2.5
2
1.5
During Normal and Reset Conditions
l
7
10
13
V
FILTER
FILTER Threshold
Latched Off Threshold, FILTER Low to High
l
1.20
1.236
1.26
V
V
FILTERHST
FILTER Threshold Hysteresis
80
mV
I
TMR
TIMER Current
Timer On, V
TIMER
 = 1V
l
2.5
2
1.5
Timer Off, TIMER = 1.5V
3
mA
V
TMR
TIMER Threshold
TIMER Low to High
l
1.20
1.236
1.26
V
TIMER High to Low
l
0.15
0.200
0.40
V
V
FAULT
FAULT Threshold
Latched Off Threshold, FAULT High to Low
l
1.20
1.236
1.26
V
V
FAULTHST
FAULT Threshold Hysteresis
50
mV
V
OLFAULT
Output Low Voltage
I
FAULT
 = 1.6mA
l
0.14
0.4
V
V
OLRESET
Output Low Voltage
I
RESET
 = 1.6mA
l
0.14
0.4
V
t
FAULTFC
FAST COMP Trip to GATE Discharging
V
CB
 = 0mV to 200mV Step
l
300
700
ns
t
FAULTSC
SLOW COMP Trip to GATE Discharging
V
CB
 = 0mV to 100mV Step,
8-Pin Version or FILTER Floating
l
10
20
30
V
CB
 = 0mV to 100mV Step,
10nF at FILTER Pin to GND
l
4
6
8
ms
t
EXTFAULT
FAULT Low to GATE Discharging
V
FAULT
 = 5V to 0V
l
1
3
5
t
FILTER
FILTER High to FAULT Latched
V
FILTER
 = 0V to 5V
l
2
4.5
7
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