LT3510IFE-TRPBF データシートの表示（PDF） - Linear Technology
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LT3510IFE-TRPBF Datasheet PDF : 30 Pages
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LT3510
ABSOLUTE MAXIMUM RATINGS
(Note 1)
VIN1/2, SHDN, PG1/2 ...................................... 25V/–0.3V
SW1/2 .................................................................... VIN1/2
BST1/2 ........................................................... 35V/–0.3V
BST1/2 Pins Above SW1/2........................................25V
IND1/2 .....................................................................±4A
VOUT1/2........................................................ VIN1/2/–0.3V
FB1/2, SS1/2, RT/SYNC............................................5.5V
VC1/2 ......................................................................±1mA
Operating Junction Temperature Range
LT3510EFE (Notes 2, 8) ..................... –40°C to 125°C
LT3510IFE (Notes 2, 8) ...................... –40°C to 125°C
Storage Temperature Range................... –65°C to 150°C
Lead Temperature (Soldering, 10 sec) .................. 300°C
PIN CONFIGURATION
TOP VIEW
VIN1 1
SW1 2
20 BST1
19 SS/TRACK1
IND1 3
VOUT1 4
PG1 5
PG2 6
18 VC1
17 FB1
21
16 RT/SYNC
15 SHDN
VOUT2 7
IND2 8
SW2 9
14 FB2
13 VC2
12 SS/TRACK2
VIN2 10
11 BST2
FE PACKAGE
20-LEAD PLASTIC TSSOP
TJMAX = 125°C, θJA = 45°C/W, θJC(PAD) = 10°C/W
EXPOSED PAD (PIN 21) IS GND, MUST BE SOLDERED TO PCB
ORDER INFORMATION
LEAD FREE FINISH
TAPE AND REEL
PART MARKING*
PACKAGE DESCRIPTION
TEMPERATURE RANGE
LT3510EFE#PBF
LT3510EFE#TRPBF
LT3510FE
20-Lead TSSOP
–40°C to 125°C
LT3510IFE#PBF
LT3510IFE#TRPBF
LT3510FE
20-Lead TSSOP
–40°C to 125°C
LEAD BASED FINISH
TAPE AND REEL
PART MARKING*
PACKAGE DESCRIPTION
TEMPERATURE RANGE
LT3510EFE
LT3510EFE#TR
LT3510FE
20-Lead TSSOP
–40°C to 125°C
LT3510IFE
LT3510IFE#TR
LT3510FE
20-Lead TSSOP
–40°C to 125°C
Consult LTC Marketing for parts specified with wider operating temperature ranges. *The temperature grade is identified by a label on the shipping container.
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/
ELECTRICAL CHARACTERISTICS The l denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at TJ = 25°C. VVIN1/2 = 15V, VBST1/2 = open, VRT/SYNC = 2V, VVOUT1/2 = open,
unless otherwise specified.
PARAMETER
CONDITIONS
MIN TYP MAX UNITS
SHDN Threshold
SHDN Input Current
Minimum Input Voltage Ch 1 (Note 3)
Minimum Input Voltage Ch 2
Supply Shutdown Current Ch 1
Supply Shutdown Current Ch 2
Supply Quiescent Current Ch 1
Supply Quiescent Current Ch 2
Feedback Voltage Ch 1/2
VOUT1/2 = 0V, RT/SYNC = 133k
l 1.23 1.28 1.37
V
VSHDN = 1.375V
VSHDN = 1.225V
7
10
13
μA
2
3
5
μA
VFB1/2 = 0V, VVOUT1/2 = 0V, VIND1/2 = 0V, RT/SYNC = 133k
2.8
3
V
VFB1/2 = 0V, VVOUT1/2 = 0V, VIND1/2 = 0V
2.8
3
V
VSHDN = 0V
l
9
30
μA
VSHDN = 0V
0
5
μA
VFB1/2 = 0.9V
3.5
5
mA
VFB1/2 = 0.9V
200
500
μA
VVC1/2 = 1V
l 0.784 0.8 0.816
V
3510fe
2
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