LT3479 LINER [Linear Technology], LT3479 Datasheet - Page 2

• Manufacturer Part Number: LT3479
• Description: 3A, Full Featured DC/DC Converter with Soft-Start and Inrush Current Protection
• Manufacturer: LINER [Linear Technology]

ABSOLUTE MAXIMUM RATINGS
LT3479
SW, L, V
V
FBP , FBN, V
Junction Temperature .......................................... 125°C
PIN CONFIGURATION
ORDER INFORMATION
LEAD FREE FINISH
LT3479EDE#PBF
LT3479EFE#PBF
LEAD BASED FINISH
LT3479EDE
LT3479EFE
Consult LTC Marketing for parts specifi ed with wider operating temperature ranges.
For more information on lead free part marking, go to:
For more information on tape and reel specifi cations, go to:
2
IN
, SHDN Voltages ................................................. 24V
S
EXPOSED PAD (PIN 15) IS PGND (MUST BE SOLDERED TO PCB)
Voltages ................................................... 42V
REF
, R
SHDN
14-LEAD (4mm 3mm) PLASTIC DFN
T
, V
SW
SW
V
V
R
IN
L
S
T
T
C
JMAX
TAPE AND REEL
LT3479EDE#TRPBF
LTC4263IDE#TRPBF
TAPE AND REEL
LT3479EDE#TR
LT3479EFE#TR
1
2
3
4
5
6
7
Voltages ................................. 2V
DE14 PACKAGE
= 125°C, θ
TOP VIEW
15
JA
= 43°C/W
14
13
12
11
10
9
8
GND
GND
SS
V
FBN
FBP
V
C
REF
http://www.linear.com/leadfree/
PART MARKING
3479
3479EFE
PART MARKING
3479
3479EFE
http://www.linear.com/tapeandreel/
(Note 1)
Operating Temperature Range (Note 2).... –40°C to 85°C
Storage Temperature Range ................... –65°C to 125°C
Lead Temperature (Soldering, 10 sec)
TSSOP .............................................................. 300°C
PACKAGE DESCRIPTION
14-Lead (4mm × 3mm) Plastic DFN
16-Lead Plastic TSSOP
PACKAGE DESCRIPTION
14-Lead (4mm × 3mm) Plastic DFN
16-Lead Plastic TSSOP
EXPOSED PAD (PIN 17) IS PGND (MUST BE SOLDERED TO PCB)
SHDN
GND
SW
SW
V
V
R
IN
L
S
T
T
16-LEAD PLASTIC TSSOP
JMAX
1
2
3
4
5
6
7
8
= 125°C, θ
FE PACKAGE
TOP VIEW
17
JA
= 38°C/W
16
15
14
13
12
11
10
9
GND
GND
GND
SS
V
FBN
FBP
V
TEMPERATURE RANGE
–40°C to 85°C
–40°C to 85°C
TEMPERATURE RANGE
–40°C to 85°C
–40°C to 85°C
C
REF
3479fb