lt3579iufd-trpbf Linear Technology Corporation, lt3579iufd-trpbf Datasheet - Page 2

• Manufacturer Part Number: lt3579iufd-trpbf
• Description: Lt3579/lt3579-1 6a Boost/inverting Dc/dc Converter With Fault Protection Features
• Manufacturer: Linear Technology Corporation

ABSOLUTE MAXIMUM RATINGS
LT3579/LT3579-1
(Note 1)
V
SW1/SW2 Voltage ..................................... –0.4V to 42V
R
SS, FB Voltage ......................................... –0.3V to 2.5V
V
SHDN Voltage ............................................ –0.3V to 40V
SYNC Voltage ............................................ –0.3V to 5.5V
GATE Voltage ............................................. –0.3V to 80V
PIN CONFIGURATION
ORDER INFORMATION
LEAD FREE FINISH
LT3579EFE#PBF
LT3579IFE#PBF
LT3579EUFD#PBF
LT3579IUFD#PBF
LT3579EFE-1#PBF
LT3579IFE-1#PBF
LT3579EUFD-1#PBF
LT3579IUFD-1#PBF
Consult LTC Marketing for parts specifi ed with wider operating temperature ranges. *The temperature grade is identifi ed by a label on the shipping container.
For more information on lead free part marking, go to:
For more information on tape and reel specifi cations, go to:
2
IN
T
C
Voltage .................................................... –0.3V to 5V
Voltage ................................................... –0.3V to 2V
Voltage ................................................. –0.3V to 40V
EXPOSED PAD (PIN 21) IS GND, MUST BE SOLDERED TO PCB
FAULT
T
GATE
SW1
SW1
SW1
SW1
SW1
JMAX
V
V
FB
IN
C
= 125°C, θ
20-LEAD PLASTIC TSSOP
10
1
2
3
4
5
6
7
8
9
TAPE AND REEL
LT3579EFE#TRPBF
LT3579IFE#TRPBF
LT3579EUFD#TRPBF
LT3579IUFD#TRPBF
LT3579EFE-1#TRPBF
LT3579IFE-1#TRPBF
LT3579EUFD-1#TRPBF
LT3579IUFD-1#TRPBF
FE PACKAGE
TOP VIEW
JA
GND
21
= 38°C/W, θ
20
19
18
17
16
15
14
13
12
11
JC
= 10°C/W
SYNC
SS
R
SHDN
CLKOUT
SW2
SW2
SW2
SW2
SW2
T
http://www.linear.com/leadfree/
PART MARKING*
LT3579FE
LT3579FE
3579
3579
LT3579FE-1
LT3579FE-1
35791
35791
http://www.linear.com/tapeandreel/
FAULT ......................................................... –0.3V to 40V
FAULT Current .....................................................±0.5mA
CLKOUT ....................................................... –0.3V to 3V
CLKOUT Current ....................................................±1mA
Operating Junction Temperature Range
Storage Temperature Range ...................–65°C to 150°C
LT3579E (Notes 2, 4) .........................–40°C to 125°C
LT3579I (Notes 2, 4) ..........................–40°C to 125°C
PACKAGE DESCRIPTION
20-Lead Plastic TSSOP
20-Lead Plastic TSSOP
20-Lead (4mm × 5mm) Plastic QFN
20-Lead (4mm × 5mm) Plastic QFN
20-Lead Plastic TSSOP
20-Lead (4mm × 5mm) Plastic QFN
20-Lead (4mm × 5mm) Plastic QFN
20-Lead Plastic TSSOP
EXPOSED PAD (PIN 21) IS GND, MUST BE SOLDERED TO PCB
FAULT
GATE
SW1
SW1
SW1
T
20-LEAD (4mm 5mm) PLASTIC QFN
JMAX
V
IN
= 125°C, θ
1
2
3
4
5
6
20 19 18 17
UFD PACKAGE
7
TOP VIEW
JA
8
GND
21
= 34°C/W, θ
9 10
JC
16
15
14
13
12
11
= 2.7°C/W
R
SHDN
CLKOUT
SW2
SW2
SW2
TEMPERATURE RANGE
–40°C to 125°C
–40°C to 125°C
–40°C to 125°C
–40°C to 125°C
–40°C to 125°C
–40°C to 125°C
–40°C to 125°C
–40°C to 125°C
T
35791f