3507 データシートの表示（PDF） - Linear Technology
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3507 Datasheet PDF : 28 Pages
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LT3507
ABSOLUTE MAXIMUM RATINGS
(Note 1)
VIN Pins...................................................... –0.3V to 36V
BOOST Pins ..............................................................55V
BOOST Above SW.....................................................25V
PGOOD Pins..............................................................36V
BIAS Pin....................................................................16V
TRK/SS, VC, FB, RT/SYNC Pins ...................................6V
RUN, OVLO, UVLO Pins ........................................... VIN1
DRIVE Pin ...................................................................5V
Operating Junction Temperature Range (Notes 2, 5)
LT3507E, LT3507I .............................. –40°C to 125°C
LT3507H ............................................ –40°C to 150°C
Storage Temperature Range................... –65°C to 150°C
PIN CONFIGURATION
TOP VIEW
BOOST1 1
VIN1 2
VIN1 3
VINSW 4
OVLO 5
UVLO 6
VC1 7
TRK/SS1 8
FB1 9
PGOOD1 10
PGOOD2 11
PGOOD3 12
38 37 36 35 34 33 32
39
13 14 15 16 17 18 19
31 VIN2
30 VIN2
29 SW2
28 SW2
27 BOOST2
26 TRK/SS4
25 FB4
24 DRIVE
23 VC2
22 FB2
21 TRK/SS2
20 FB3
UHF PACKAGE
38-LEAD (5mm × 7mm) PLASTIC QFN
θJA = 34°C/W
EXPOSED PAD (PIN 39) IS GND, MUST BE SOLDERED TO PCB
ORDER INFORMATION
LEAD FREE FINISH
TAPE AND REEL
PART MARKING*
PACKAGE DESCRIPTION
LT3507EUHF#PBF
LT3507IUHF#PBF
LT3507HUHF#PBF
LT3507EUHF#TRPBF
3507
LT3507IUHF#TRPBF
3507
LT3507HUHF#TRPBF 3507
38-Lead (5mm × 7mm) Plastic QFN
38-Lead (5mm × 7mm) Plastic QFN
38-Lead (5mm × 7mm) Plastic QFN
Consult LTC Marketing for parts specified with wider operating temperature ranges.
*For more information on lead free part marking, go to: http://www.linear.com/leadfree/
For more information on tape and reel specifications, go to: http://www.linear.com/tapeandreel/
TEMPERATURE RANGE
–40°C to 125°C
–40°C to 125°C
–40°C to 150°C
ELECTRICAL CHARACTERISTICS The l denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. VIN1, VIN2, VIN3 = 12V, VBOOST1, VBOOST2, VBOOST3 = 17V, unless
otherwise noted. (Note 2)
PARAMETER
Minimum Operating Voltage
Input Quiescent Current
Bias Quiescent Current
Shutdown Current
Reference Voltage Line Regulation
CONDITIONS
Internal UVLO on VIN1
Not Switching, VBIAS = 3.3V
Not Switching, VBIAS = 3.3V
VRUN1,2,3 = 0V
5V < VIN1 < 36V
MIN TYP MAX UNITS
l
3.8
4
V
2
3.5
mA
5
7.5
mA
1
μA
0.01
%/V
3507f
2
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