LT3485-3 データシートの表示（PDF） - Linear Technology
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LT3485-3
Linear Technology
LT3485-3 Datasheet PDF : 20 Pages
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LT3485-0/LT3485-1/
LT3485-2/LT3485-3
ABSOLUTE AXI U RATI GS
(Note 1)
VIN Voltage .............................................................. 10V
VBAT Voltage ............................................................ 10V
SW Voltage ................................................... –1V to 50V
SW Pin Negative Current ...................................... –0.5A
CHARGE Voltage ...................................................... 10V
IGBTIN Voltage ........................................................ 10V
IGBTOUT Voltage ..................................................... 10V
DONE Voltage .......................................................... 10V
IGBTPWR Voltage .................................................... 10V
VMONT Voltage ......................................................... 10V
Current into DONE Pin ............................... 0.2mA/–1mA
Maximum Junction Temperature .......................... 125°C
Operating Temperature Range (Note 2) ... –40°C to 85°C
Storage Temperature Range .................. –65°C to 125°C
UW U
PACKAGE/ORDER I FOR ATIO
TOP VIEW
CHARGE 1
VBAT 2
VIN 3
SW 4
SW 5
10 VMONT
9 DONE
11
8 IGBTPWR
7 IGBTIN
6 IGBTOUT
DD PACKAGE
10-LEAD (3mm ´ 3mm) PLASTIC DFN
TJMAX = 125°C θJA = 43°C/W
EXPOSED PAD (11) IS GND, MUST BE SOLDERED TO PCB
ORDER PART NUMBER DD PART MARKING
LT3485EDD-0
LT3485EDD-1
LT3485EDD-2
LT3485EDD-3
LBRH
LBVN
LBVP
LBTK
Order Options Tape and Reel: Add #TR
Lead Free: Add #PBF Lead Free Tape and Reel: Add #TRPBF
Lead Free Part Marking: http://www.linear.com/leadfree/
Consult LTC Marketing for parts specified with wider operating temperature ranges.
ELECTRICAL CHARACTERISTICS The ● denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. VIN = VBAT = VCHARGE = 3V, unless otherwise noted.
PARAMETER
Quiescent Current
VIN Voltage Range
VBAT Voltage Range
Switch Current Limit
Switch VCESAT
VOUT Comparator Trip Voltage
VOUT Comparator Overdrive
DCM Comparator Trip Voltage
CHARGE Pin Current
CONDITIONS
Not Switching
VCHARGE = 0V
LT3485-3
LT3485-0
LT3485-2
LT3485-1
LT3485-3, ISW = 1.5A
LT3485-0, ISW = 1A
LT3485-2, ISW = 700mA
LT3485-1, ISW = 400mA
Measured as VSW – VIN
300ns Pulse Width
Measured as VSW – VIN
VCHARGE = 3V
VCHARGE = 0V
MIN TYP MAX UNITS
5
8
mA
0
1
µA
● 2.5
10
V
● 1.7
10
V
1.6
1.7
1.8
A
1.1
1.2
1.3
A
0.75 0.85 0.95
A
0.45 0.55 0.65
A
310
400
mV
210 300
mV
170
225
mV
100
175
mV
● 31
31.5
32
V
200
400
mV
● 10
45
120
mV
65
100
µA
0
0.1
µA
2
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