LT3579IUFD-1-PBF(RevA) 查看數據表（PDF） - Linear Technology
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LT3579IUFD-1-PBF
(Rev.:RevA)
(Rev.:RevA)
Linear Technology
LT3579IUFD-1-PBF Datasheet PDF : 42 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
FB 1
VC 2
GATE 3
FAULT 4
VIN 5
SW1 6
SW1 7
SW1 8
SW1 9
SW1 10
TOP VIEW
21
GND
20 SYNC
19 SS
18 RT
17 SHDN
16 CLKOUT
15 SW2
14 SW2
13 SW2
12 SW2
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 × 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/
35791fa
2
For more information www.linear.com/LT3579
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