參數(shù)資料
型號(hào): LTC4252-1
廠商: Linear Technology Corporation
英文描述: TRANS ARRAY NPN/PNP SS MINI-6P
中文描述: 負(fù)電壓熱插拔控制器
文件頁(yè)數(shù): 3/32頁(yè)
文件大?。?/td> 327K
代理商: LTC4252-1
LTC4252-1/LTC4252-2
3
425212f
ELECTRICAL CHARACTERISTICS
temperature range, otherwise specifications are at T
A
= 25
°
C. (Note 2)
The
G
denotes the specifications which apply over the full operating
SYMBOL
I
GATE
PARAMETER
CONDITIONS
UV = OV = 4V, V
SENSE
= V
EE
,
V
GATE
= 0V (Sourcing)
UV = OV = 4V, V
SENSE
– V
EE
= 0.15V,
V
GATE
= 3V (Sinking)
UV = OV = 4V, V
SENSE
– V
EE
= 0.3V,
V
GATE
= 1V (Sinking)
V
GATE
– V
EE
, I
IN
= 2mA
V
GATEH
= V
IN
– V
GATE
, I
IN
= 2mA,
for PWRGD Status (MS Only)
(Before Gate Ramp-Up)
MIN
40
TYP
58
MAX
80
UNITS
GATE Pin Output Current
G
μ
A
17
mA
190
mA
V
GATE
V
GATEH
External MOSFET Gate Drive
Gate High Threshold
G
10
12
2.8
V
Z
V
V
V
GATEL
V
UVHI
V
UVLO
V
UVHST
V
OVHI
V
OVLO
V
OVHST
I
SENSE
I
INP
V
TMRH
V
TMRL
I
TMR
Gate Low Threshold
UV Pin Threshold HIGH
UV Pin Threshold LOW
UV Pin Hysteresis
OV Pin Threshold HIGH
OV Pin Threshold LOW
OV Pin Hysteresis
SENSE Pin Input Current
UV, OV Pin Input Current
TIMER Pin Voltage High Threshold
TIMER Pin Voltage Low Threshold
TIMER Pin Current
0.5
3.225
2.925
0.3
6.15
5.55
0.6
–15
±
0.1
4
1
5.8
V
V
V
V
V
V
V
G
3.075
2.775
3.375
3.075
G
G
5.85
5.25
6.45
5.85
G
UV = OV = 4V, V
SENSE
= 50mV
UV = OV = 4V
G
–30
μ
A
μ
A
V
V
μ
A
G
±
10
Timer On (Initial Cycle/Latchoff/
Shutdown Cooling, Sourcing), V
TMR
= 2V
Timer Off (Initial Cycle, Sinking), V
TMR
= 2V
Timer On (Circuit Breaker, Sourcing,
I
DRN
= 0
μ
A), V
TMR
= 2V
Timer On (Circuit Breaker, Sourcing,
I
DRN
= 50
μ
A), V
TMR
= 2V
Timer Off (Circuit Breaker/
Shutdown Cooling, Sinking), V
TMR
= 2V
Timer On (Circuit Breaker with I
DRN
= 50
μ
A)
28
230
mA
μ
A
630
μ
A
5.8
μ
A
I
TMRACC
I
DRN
V
DRNL
I
DRNL
V
DRNCL
V
PGL
[(I
TMR
at I
DRN
= 50
μ
A) – (I
TMR
at I
DRN
= 0
μ
A)]
50
μ
A
DRAIN Pin Voltage Low Threshold
DRAIN Leakage Current
DRAIN Pin Clamp Voltage
PWRGD Output Low Voltage
8
μ
A/
μ
A
For PWRGD Status (MS Only)
V
DRAIN
= 5V
I
DRN
= 50
μ
A
I
PG
= 1.6mA (MS Only)
I
PG
= 5mA (MS Only)
V
PWRGD
= 0V (Sourcing) (MS Only)
SS pin floating, V
SS
ramps from 0.2V to 2V
2.385
±
0.1
7
0.2
V
±
1
μ
A
V
V
V
μ
A
μ
s
μ
s
μ
s
G
G
0.4
1.1
80
I
PGH
t
SS
t
PLLUG
t
PHLOG
PWRGD Pull-Up Current
SS Default Ramp Period
UV Low to Gate Low
OV High to Gate Low
G
40
58
180
0.4
0.4
Note 1:
Absolute Maximum Ratings are those values beyond which the life
of a device may be impaired.
Note 2:
All currents into device pins are positive; all currents out of device
pins are negative. All voltages are referenced to V
EE
unless otherwise
specified.
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