参数资料
型号: MIC2587R-2BM
厂商: Micrel Inc
文件页数: 7/22页
文件大小: 972K
描述: IC CTRLR HOT SWAP POS HV 8-SOIC
标准包装: 285
类型: 热交换控制器
应用: 通用
内部开关:
电源电压: 10 V ~ 80 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
icrel, Inc.
MIC2587/MIC2587R
 
 
anuary 24, 2013
7
Revision 2.0
 
DC Electrical Characteristics
(4)
 (Continued)
V
CC
 = +24V and +48V, T
A
 = +25癈, unless otherwise noted. Bold indicates specifications apply over the full operating temperature
range of T
A
 = 40癈 to +85癈.
Symbol     Parameter
Condition
Min.
Typ.
Max.     Units
I
GATEOFF
 
GATE Pin Turn-off Current
Normal turn-off, or from V
GATE[TH]
(MOSFET) to 0V after a fault condition
 
1.8
 
mA
ITIMERUP
Timer Pin Charging Current
(V
CC
  V
SENSE
) > V
TRIP
 
V
TIMER
 = 0V
24 
-65     120 
I
TIMERDN
 
Timer Pin Pull-Down Current
(V
CC
  V
SENSE
) < V
TRIP
 
V
TIMER
 = 0.6V
1.5
3.5 
5
V
TIMERH
     TIMER Pin High Threshold Voltage 
 
1.280     1.313     1.345
V
V
TIMERL
 
TIMER Pin Low Threshold Voltage
 
0.4
0.49 
0.6
V 
V
ONH
 
ON Pin High Threshold Voltage
ON Low-to-High transition
1.280     1.313     1.355
V 
V
ONL
 
ON Pin Low Threshold Voltage
ON High-to-Low transition
1.208     1.233     1.258
V 
V
HYSON
 
ON Pin Hysteresis
 
 
80 
 
mV 
I
ON
 
ON Pin Input Current
0V d V
ON
 d 80V
 
 
2
V
OL
 
Power-Good Output Voltage
PWRGD or /PWRGD = LOW
I
OL
 = 1.6mA
I
OL
 = 4mA
 
 
 
0.4
0.8 
V
I
OFF
 
Power-Good Leakage Current
PWRGD or /PWRGD = Open-Drain
V
PG
 = V
CC
, V
ON
 = 1.5V
 
 
10
 
AC Electrical Characteristics
V
CC
 = +24V and +48V, T
A
 = 25癈, unless otherwise noted. Bold indicates specifications apply over the full operating temperature range
of T
A
 = 40癈 to +85癈.
Symbol
Parameter
Condition
Min.
Typ.
Max.    Units
t
PONLH
 
ON High to GATE High
C
GATE
 = 10nF
 
3
 
ms
t
PONHL
 
ON Low to GATE Low
V
IN
 = 48V, C
GATE
 = 10nF
 
1
 
ms
t
PFBLH
 
FB Valid to PWRGD High
(MIC2587/MIC2587R-1)
R
PG
= 50k& pull-up to 48V
C
L
=100pF
 
2
 
t
PFBHL
 
FB Invalid to PWRGD Low
(MIC2587/MIC2587R-1)
R
PG
 = 50k& pull-up to 48V
C
L
=100pF
 
4
 
t
PFBHL
 
FB Valid to /PWRGD Low
(MIC2587/MIC2587R-2)
R
PG
 = 50k& pull-up to 48V
C
L
=100pF
 
4
 
t
PFBLH
 
FB Invalid to /PWRGD High
(MIC2587/MIC2587R-2)
R
PG
 = 50k& pull-up to 48V
C
L
=100pF
 
2
 
t
OCSENSE
 
 
Overcurrent Sense to GATE Low
Trip Time
(V
CC
 - V
SENSE
) = (V
TRIP
 + 10mV)
Figure 7
 
1
2
 
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