LT1640 데이터 시트보기 (PDF) - Linear Technology
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LT1640 Datasheet PDF : 12 Pages
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LT1640L/LT1640H
ABSOLUTE MAXIMUM RATINGS (Note 1), All Voltages Referred to VEE
Supply Voltage (VDD – VEE) .................... – 0.3V to 100V
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
Operating Temperature Range
LT1640LC/LT1640HC ............................. 0°C to 70°C
LT1640LI/LT1640HI .......................... – 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)
Consult factory for Military grade parts.
ORDER PART
NUMBER
LT1640LCN8
LT1640LCS8
LT1640LIN8
LT1640LIS8
S8 PART MARKING
1640L
1640LI
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
LT1640HCN8
LT1640HCS8
LT1640HIN8
LT1640HIS8
S8 PART MARKING
1640H
1640HI
ELECTRICAL CHARACTERISTICS (Note 2), VDD = 48V, VEE = 0V, TA = 25°C unless otherwise noted.
SYMBOL
DC
VDD
IDD
VCB
IPU
IPD
ISENSE
∆VGATE
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
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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