LT1640 Linear Technology, LT1640 Datasheet - Page 2

• Manufacturer Part Number: LT1640
• Description: Negative Voltage Hot Swap Controller
• Manufacturer: Linear Technology

ABSOLUTE
LT1640L/LT1640H
Supply Voltage (V
DRAIN, PWRGD, PWRGD Pins ............... – 0.3V to 100V
SENSE, GATE Pins .................................... – 0.3V to 20V
UV, OV Pins .............................................. – 0.3V to 60V
Maximum Junction Temperature ......................... 125 C
PACKAGE/ORDER I FOR ATIO
Consult factory for Military grade parts.
ELECTRICAL CHARACTERISTICS
SYMBOL
DC
V
I
V
I
I
I
V
V
V
I
V
V
V
I
2
DD
PU
PD
SENSE
INUV
INOV
DD
CB
UVH
UVL
UVHY
OVH
OVL
OVHY
V
GATE
PWRGD
N8 PACKAGE
8-LEAD PDIP
T
T
V
OV
UV
JMAX
JMAX
EE
PARAMETER
Supply Voltage
Supply Current
Circuit Breaker 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
OV Pin Hysteresis
OV Pin Input Current
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
V
Gate Drive On, V
V
(V
(V
UV Low to High Transition
V
OV Low to High Transition
V
UV = 3V, OV = V
Any Fault Condition
UV High to Low Transition
OV High to Low Transition
LT1640LCN8
LT1640LCS8
LT1640LIN8
LT1640LIS8
W
CB
SENSE
UV
OV
GATE
GATE
NUMBER
1640L
1640LI
= (V
= V
= V
U
– V
– V
= 50mV
EE
EE
SENSE
EE
EE
), 15V V
), 10V V
(Note 2), V
– V
U
EE
GATE
(Note 1), All Voltages Referred to V
EE
, SENSE = V
)
= V
DD
DD
EE
< 15V
Operating Temperature Range
Storage Temperature Range ................ – 65 C to 150 C
Lead Temperature (Soldering, 10 sec)................. 300 C
DD
80V
PWRGD
LT1640LC/LT1640HC ............................. 0 C to 70 C
LT1640LI/LT1640HI .......................... – 40 C to 85 C
= 48V, V
N8 PACKAGE
8-LEAD PDIP
EE
V
OV
UV
T
T
EE
JMAX
JMAX
1
2
3
4
= 125 C,
= 125 C,
EE
TOP VIEW
= 0V, T
JA
JA
8-LEAD PLASTIC SO
= 120 C/W (N8)
= 150 C/W (S8)
S8 PACKAGE
A
= 25 C unless otherwise noted.
8
7
6
5
V
DRAIN
GATE
SENSE
EE
DD
1.213
1.198
1.198
1.165
MIN
– 30
10
40
24
10
6
– 0 .03
– 0.02
1.243
1.223
1.223
1.203
13.5
TYP
– 45
– 20
1.3
50
50
20
20
8
S8 PART MARKING
ORDER PART
LT1640HCN8
LT1640HCS8
LT1640HIN8
LT1640HIS8
NUMBER
1640H
1640HI
1.272
1.247
1.247
1.232
MAX
– 0.5
– 0.5
– 60
80
60
15
70
18
5
UNITS
mA
mV
mA
mV
mV
V
A
A
V
V
V
V
A
V
V
A