LT3581 LINER [Linear Technology], LT3581 Datasheet - Page 2

• Manufacturer Part Number: LT3581
• Description: 3.3A Boost/Inverting DC/DC Converter with Fault Protection
• Manufacturer: LINER [Linear Technology]

absoluTe MaxiMuM raTings
LT3581
(Note 1)
V
SW1/SW2 Voltage ..................................... –0.4V to 42V
RT Voltage ................................................... –0.3V to 5V
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
LT3581EDE#PBF
LT3581IDE#PBF
LT3581EMSE#PBF
LT3581IMSE#PBF
Consult LTC Marketing for parts specified with wider operating temperature ranges. *The temperature grade is identified by a label on the shipping container.
Consult LTC Marketing for information on non-standard lead based finish parts.
For more information on lead free part marking, go to:
For more information on tape and reel specifications, go to:

C
IN
Voltage .................................................... –0.3V to 2V
Voltage ................................................. –0.3V to 40V
EXPOSED PAD (PIN 15) IS GND, MUST BE SOLDERED TO PCB
T
FAULT
JMAX
GATE
SW1
SW1
14-PIN (4mm 3mm) PLASTIC DFN
V
FB
V
IN
= 125°C, θ
C
TAPE AND REEL
LT3581EDE#TRPBF
LT3581IDE#TRPBF
LT3581EMSE#TRPBF
LT3581IMSE#TRPBF
1
2
3
4
5
6
7
DE14 PACKAGE
TOP VIEW
JA
GND
= 43°C/W, θ
15
14
13
12
11
10
JC
9
8
= 4.3°C/W
SYNC
SS
RT
SHDN
CLKOUT
SW2
SW2
http://www.linear.com/leadfree/
PART MARKING*
3581
3581
3581
3581
http://www.linear.com/tapeandreel/
FAULT Voltage ............................................ –0.3V to 40V
FAULT Current .....................................................±500µA
CLKOUT Voltage .......................................... –0.3V to 3V
CLKOUT Current ......................................................1mA
Operating Junction Temperature Range
Storage Temperature Range .................. –65°C to 150°C
LT3581E (Notes 2, 4) ......................... –40°C to 125°C
LT3581I (Notes 2, 4) .......................... –40°C to 125°C
PACKAGE DESCRIPTION
14-Lead (4mm × 3mm) Plastic DFN
14-Lead (4mm × 3mm) Plastic DFN
16-Lead Plastic MSOP
16-Lead Plastic MSOP
EXPOSED PAD (PIN 17) IS GND, MUST BE SOLDERED TO PCB
FAULT
T
GATE
SW1
SW1
SW1
JMAX
V
V
FB
IN
C
= 125°C, θ
1
2
3
4
5
6
7
8
16-LEAD PLASTIC MSOP
MSE PACKAGE
TOP VIEW
JA
GND
= 45°C/W, θ
17
JC
16
15
14
13
12
11
10
9
= 10°C/W
TEMPERATURE RANGE
–40°C to 125°C
–40°C to 125°C
–40°C to 125°C
–40°C to 125°C
SYNC
SS
RT
SHDN
CLKOUT
SW2
SW2
SW2
3581f