LT3579IUFD-1-PBF Просмотр технического описания (PDF) - Linear Technology
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LT3579IUFD-1-PBF Datasheet PDF : 40 Pages
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LT3579/LT3579-1
ABSOLUTE MAXIMUM RATINGS
(Note 1)
VIN Voltage................................................. –0.3V to 40V
SW1/SW2 Voltage ..................................... –0.4V to 42V
RT Voltage.................................................... –0.3V to 5V
SS, FB Voltage ......................................... –0.3V to 2.5V
VC Voltage ................................................... –0.3V to 2V
SHDN Voltage ............................................ –0.3V to 40V
SYNC Voltage............................................ –0.3V to 5.5V
GATE Voltage ............................................. –0.3V to 80V
FAULT......................................................... –0.3V to 40V
FAULT Current .....................................................±0.5mA
CLKOUT ....................................................... –0.3V to 3V
CLKOUT Current ....................................................±1mA
Operating Junction Temperature Range
LT3579E (Notes 2, 4) .........................–40°C to 125°C
LT3579I (Notes 2, 4)..........................–40°C to 125°C
Storage Temperature Range...................–65°C to 150°C
PIN CONFIGURATION
TOP VIEW
FB 1
20 SYNC
VC 2
GATE 3
FAULT 4
19 SS
18 RT
17 SHDN
VIN 5
SW1 6
21
16 CLKOUT
GND
15 SW2
SW1 7
14 SW2
SW1 8
13 SW2
SW1 9
12 SW2
SW1 10
11 SW2
FE PACKAGE
20-LEAD PLASTIC TSSOP
TJMAX = 125°C, θJA = 38°C/W, θJC = 10°C/W
EXPOSED PAD (PIN 21) IS GND, MUST BE SOLDERED TO PCB
TOP VIEW
GATE 1
FAULT 2
VIN 3
SW1 4
SW1 5
SW1 6
20 19 18 17
16 RT
15 SHDN
21
14 CLKOUT
GND
13 SW2
12 SW2
11 SW2
7 8 9 10
UFD PACKAGE
20-LEAD (4mm s 5mm) PLASTIC QFN
TJMAX = 125°C, θJA = 34°C/W, θJC = 2.7°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
LT3579EFE#PBF
LT3579EFE#TRPBF
LT3579FE
20-Lead Plastic TSSOP
–40°C to 125°C
LT3579IFE#PBF
LT3579IFE#TRPBF
LT3579FE
20-Lead Plastic TSSOP
–40°C to 125°C
LT3579EUFD#PBF
LT3579EUFD#TRPBF
3579
20-Lead (4mm × 5mm) Plastic QFN
–40°C to 125°C
LT3579IUFD#PBF
LT3579IUFD#TRPBF
3579
20-Lead (4mm × 5mm) Plastic QFN
–40°C to 125°C
LT3579EFE-1#PBF
LT3579EFE-1#TRPBF LT3579FE-1
20-Lead Plastic TSSOP
–40°C to 125°C
LT3579IFE-1#PBF
LT3579IFE-1#TRPBF
LT3579FE-1
20-Lead Plastic TSSOP
–40°C to 125°C
LT3579EUFD-1#PBF
LT3579EUFD-1#TRPBF 35791
20-Lead (4mm × 5mm) Plastic QFN
–40°C to 125°C
LT3579IUFD-1#PBF
LT3579IUFD-1#TRPBF 35791
20-Lead (4mm × 5mm) Plastic QFN
–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/
35791f
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