640AHI View Datasheet(PDF) - Linear Technology
Part Name
Description
Manufacturer
640AHI Datasheet PDF : 16 Pages
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LT1640AL/LT1640AH
ABSOLUTE MAXIMUM RATINGS (Note 1), All Voltages Referred to VEE
Supply Voltage (VDD – VEE) .................... – 0.3V to 100V
PWRGD, PWRGD Pins ........................... – 0.3V to 100V
DRAIN Pin ................................................. – 2V to 100V
SENSE, GATE Pins .................................... – 0.3V to 20V
UV, OV Pins .............................................. – 0.3V to 60V
Maximum Junction Temperature ......................... 125°C
Operating Temperature Range
LT1640ALC/LT1640AHC ........................ 0°C to 70°C
LT1640ALI/LT1640AHI ...................... – 40°C to 85°C
Storage Temperature Range ................ – 65°C to 150°C
Lead Temperature (Soldering, 10 sec)................. 300°C
PACKAGE/ORDER I FOR ATIO
TOP VIEW
PWRGD 1
OV 2
UV 3
VEE 4
8 VDD
7 DRAIN
6 GATE
5 SENSE
N8 PACKAGE
8-LEAD PDIP
S8 PACKAGE
8-LEAD PLASTIC SO
TJMAX = 125°C, θJA = 120°C/W (N8)
TJMAX = 125°C, θJA = 150°C/W (S8)
ORDER PART
NUMBER
LT1640ALCN8
LT1640ALCS8
LT1640ALIN8
LT1640ALIS8
S8 PART MARKING
1640AL
640ALI
Consult factory for parts specified with wider operating temperature ranges.
TOP VIEW
PWRGD 1
OV 2
UV 3
VEE 4
8 VDD
7 DRAIN
6 GATE
5 SENSE
N8 PACKAGE
8-LEAD PDIP
S8 PACKAGE
8-LEAD PLASTIC SO
TJMAX = 125°C, θJA = 120°C/W (N8)
TJMAX = 125°C, θJA = 150°C/W (S8)
ORDER PART
NUMBER
LT1640AHCN8
LT1640AHCS8
LT1640AHIN8
LT1640AHIS8
S8 PART MARKING
1640AH
640AHI
ELECTRICAL CHARACTERISTICS The q denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. (Note 2), VDD = 48V, VEE = 0V unless otherwise noted.
SYMBOL
DC
VDD
IDD
VCB
IPU
IPD
ISENSE
∆VGATE
PARAMETER
Supply Operating Range
Supply Current
Circuit Breaker Trip Voltage
GATE Pin Pull-Up Current
GATE Pin Pull-Down Current
SENSE Pin Current
External Gate Drive
VUVH
VUVL
VUVHY
IINUV
VOVH
VOVL
VOVHY
IINOV
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
CONDITIONS
UV = 3V, OV = VEE, SENSE = VEE
VCB = (VSENSE – VEE)
Gate Drive On, VGATE = VEE
Any Fault Condition
VSENSE = 50mV
(VGATE – VEE), 15V ≤ VDD ≤ 80V
(VGATE – VEE), 10V ≤ VDD < 15V
UV Low to High Transition
UV High to Low Transition
VUV = VEE
OV Low to High Transition
OV High to Low Transition
VOV = VEE
MIN TYP MAX
q
10
80
q
1.3
5
q
40
50
60
q – 30 – 45 – 60
24
50
70
– 20
q
10
13.5
18
q
6
8
15
q 1.213 1.243 1.272
q 1.198 1.223 1.247
20
q
– 0.02 – 0.5
q 1.198 1.223 1.247
q 1.165 1.203 1.232
20
q
– 0 .03 – 0.5
UNITS
V
mA
mV
µA
mA
µA
V
V
V
V
mV
µA
V
V
mV
µA
2
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