LT4250H LINER [Linear Technology], LT4250H Datasheet - Page 2

• Manufacturer Part Number: LT4250H
• Description: Negative 48V Hot Swap Controller
• Manufacturer: LINER [Linear Technology]

ABSOLUTE
LT4250L/LT4250H
Supply Voltage (V
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
Consult LTC Marketing for parts specified with wider operating temperature ranges.
temperature range, otherwise specifications are at T
SYMBOL
DC
V
I
V
V
I
I
I
V
V
V
I
V
V
PACKAGE/ORDER I FOR ATIO
ELECTRICAL CHARACTERISTICS
2
DD
PU
PD
SENSE
INUV
DD
UVL
CL
UVH
UVL
UVHY
OVH
OVL
V
GATE
PWRGD
N8 PACKAGE
8-LEAD PDIP
T
T
V
OV
UV
JMAX
JMAX
EE
PARAMETER
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
1
2
3
4
= 125 C,
= 125 C,
TOP VIEW
JA
JA
DD
W
MAXIMUM
8-LEAD PLASTIC SO
= 120 C/W (N8)
= 150 C/W (S8)
– V
S8 PACKAGE
8
7
6
5
EE
V
DRAIN
GATE
SENSE
) .................... – 0.3V to 100V
W W
DD
U
RATINGS
S8 PART MARKING
ORDER PART
CONDITIONS
UV = 3V, OV = V
V
Gate Drive On, V
Gate Drive OFF
V
(V
UV Increasing
UV Decreasing
V
OV Increasing
OV Decreasing
LT4250LCN8
LT4250LCS8
LT4250LIN8
LT4250LIS8
W
CL
SENSE
UV
GATE
NUMBER
4250L
4250LI
= (V
= V
U
A
– V
= 50mV
EE
SENSE
= 25 C. (Note 2), V
EE
), 20V V
The
– V
EE
U
GATE
(Note 1), All Voltages Referred to V
EE
, SENSE = V
)
= V
denotes the specifications which apply over the full operating
DD
EE
Operating Temperature Range
Storage Temperature Range ................ – 65 C to 150 C
Lead Temperature (Soldering, 10 sec)................. 300 C
80V
PWRGD
LT4250LC/LT4250HC ............................. 0 C to 70 C
LT4250LI/LT4250HI .......................... – 40 C to 85 C
N8 PACKAGE
8-LEAD PDIP
EE
DD
V
OV
UV
T
T
EE
JMAX
JMAX
= 48V, V
1
2
3
4
= 125 C,
= 125 C,
TOP VIEW
EE
= 0V unless otherwise noted.
JA
JA
8-LEAD PLASTIC SO
= 120 C/W (N8)
= 150 C/W (S8)
S8 PACKAGE
8
7
6
5
V
DRAIN
GATE
SENSE
EE
DD
1.240
1.105
1.235
1.210
MIN
– 30
20
40
24
10
– 0.02
1.255
1.125
1.255
1.235
15.4
13.5
TYP
– 45
– 20
130
1.6
50
50
S8 PART MARKING
ORDER PART
LT4250HCN8
LT4250HCS8
LT4250HIN8
LT4250HIS8
NUMBER
1.270
1.145
1.275
1.255
4250H
4250HI
MAX
– 0.5
– 60
80
60
70
18
5
UNITS
4250lhf
mA
mV
mA
mV
V
V
A
A
V
V
V
A
V
V