參數(shù)資料
型號(hào): LT4250HCS8
廠商: LINEAR TECHNOLOGY CORP
元件分類: 電源管理
英文描述: Negative 48V Hot Swap Controller
中文描述: 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO8
封裝: 0.150 INCH, PLASTIC, SO-8
文件頁(yè)數(shù): 2/12頁(yè)
文件大?。?/td> 230K
代理商: LT4250HCS8
2
LT4250L/LT4250H
4250lhf
ABSOLUTE
AXI
U
RATIU
W
W
W
Supply Voltage (V
DD
– V
EE
) .................... –0.3V to 100V
PWRGD, PWRGD Pins ........................... –0.3V to 100V
SENSE, GATE Pins.................................... –0.3V to 20V
UV, OV Pins.............................................. –0.3V to 60V
DRAIN Pin ..................................................–2V to 100V
Maximum Junction Temperature......................... 125
°
C
Operating Temperature Range
LT4250LC/LT4250HC............................. 0
°
C to 70
°
C
LT4250LI/LT4250HI .......................... –40
°
C to 85
°
C
Storage Temperature Range................ –65
°
C to 150
°
C
Lead Temperature (Soldering, 10 sec)................. 300
°
C
(Note 1), All Voltages Referred to V
EE
ELECTRICAL CHARACTERISTICS
temperature range, otherwise specifications are at T
A
= 25
°
C. (Note 2), V
DD
= 48V, V
EE
= 0V unless otherwise noted.
The
G
denotes the specifications which apply over the full operating
ORDER PART
NUMBER
U
PACKAGE/ORDER IU
S8 PART MARKING
LT4250LCN8
LT4250LCS8
LT4250LIN8
LT4250LIS8
4250L
4250LI
T
JMAX
= 125
°
C,
θ
JA
= 120
°
C/W (N8)
T
JMAX
= 125
°
C,
θ
JA
= 150
°
C/W (S8)
1
2
3
4
8
7
6
5
TOP VIEW
V
DD
DRAIN
GATE
SENSE
PWRGD
OV
UV
V
EE
N8 PACKAGE
8-LEAD PDIP
S8 PACKAGE
8-LEAD PLASTIC SO
ORDER PART
NUMBER
S8 PART MARKING
LT4250HCN8
LT4250HCS8
LT4250HIN8
LT4250HIS8
4250H
4250HI
T
JMAX
= 125
°
C,
θ
JA
= 120
°
C/W (N8)
T
JMAX
= 125
°
C,
θ
JA
= 150
°
C/W (S8)
1
2
3
4
8
7
6
5
TOP VIEW
V
DD
DRAIN
GATE
SENSE
PWRGD
OV
UV
V
EE
N8 PACKAGE
8-LEAD PDIP
S8 PACKAGE
8-LEAD PLASTIC SO
Consult LTC Marketing for parts specified with wider operating temperature ranges.
SYMBOL
DC
V
DD
I
DD
V
UVL
V
CL
I
PU
I
PD
I
SENSE
V
GATE
V
UVH
V
UVL
V
UVHY
I
INUV
V
OVH
V
OVL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Supply Voltage Operating Range
Supply Current
Undervoltage Lockout
Current Limit Trip Voltage
GATE Pin Pull-Up Current
GATE Pin Pull-Down Current
SENSE Pin Current
External Gate Drive
UV Pin High Threshold Voltage
UV Pin Low Threshold Voltage
UV Pin Hysteresis
UV Pin Input Current
OV Pin High Threshold Voltage
OV Pin Low Threshold Voltage
G
20
80
5
V
UV = 3V, OV = V
EE
, SENSE = V
EE
G
1.6
15.4
50
–45
50
–20
13.5
1.255
1.125
130
–0.02
1.255
1.235
mA
G
V
V
CL
= (V
SENSE
– V
EE
)
Gate Drive On, V
GATE
= V
EE
Gate Drive OFF
V
SENSE
= 50mV
(V
GATE
– V
EE
), 20V
V
DD
80V
UV Increasing
UV Decreasing
G
40
–30
24
60
–60
70
mV
μ
A
mA
μ
A
G
G
10
18
V
V
V
G
1.240
1.105
1.270
1.145
G
mV
μ
A
V
UV
= V
EE
OV Increasing
OV Decreasing
G
–0.5
1.275
1.255
G
1.235
1.210
V
V
G
相關(guān)PDF資料
PDF描述
LT4250L Negative 48V Hot Swap Controller
LT4250LCN8 Negative 48V Hot Swap Controller
LT4250LCS8 Negative 48V Hot Swap Controller
LT4250LIN8 Negative 48V Hot Swap Controller
LT4250LIS8 Negative 48V Hot Swap Controller
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