Datasheet

LTC4425
2
4425f
PIN CONFIGURATION
ABSOLUTE MAXIMUM RATINGS
V
IN
, V
OUT
, V
MID
, FB, PFI_RET, PFO Voltage .–0.3V to 6V
EN, SEL, PFI Voltage ....–0.3V to MAX(V
IN
, V
OUT
) + 0.3V
Operating Junction Temperature ............–40°C to 125°C
(Notes 1, 2)
TOP VIEW
DD PACKAGE
12-LEAD (3mm s 3mm) PLASTIC DFN
12
11
8
9
10
4
5
3
2
1
V
IN
V
IN
V
MID
PFI
PFO
PFI_RET
V
OUT
V
OUT
PROG
SEL
FB
EN
6
7
13
GND
T
JMAX
= 125°C, θ
JA
= 43°C/W (Note 3)
EXPOSED PAD (PIN 13) IS GND, MUST BE SOLDERED TO PCB
1
2
3
4
5
6
V
OUT
V
OUT
PROG
SEL
FB
EN
12
11
10
9
8
7
V
IN
V
IN
V
MID
PFI
PFO
PFI_RET
TOP VIEW
MSE PACKAGE
12-LEAD PLASTIC MSOP
13
GND
T
JMAX
= 125°C, θ
JA
= 35°C/W (Note 3)
EXPOSED PAD (PIN 13) IS GND, MUST BE SOLDERED TO PCB
ORDER INFORMATION
LEAD FREE FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC4425EDD#PBF LTC4425EDD#TRPBF LFMQ
12-Lead (3mm × 3mm) Plastic DFN
–40°C to 125°C
LTC4425IDD#PBF LTC4425IDD#TRPBF LFMQ
12-Lead (3mm × 3mm) Plastic DFN
–40°C to 125°C
LTC4425EMSE#PBF LTC4425EMSE#TRPBF 4425 12-Lead Plastic MSOP –40°C to 125°C
LTC4425IMSE#PBF LTC4425IMSE#TRPBF 4425 12-Lead Plastic MSOP –40°C to 125°C
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: http://www.linear.com/leadfree/
For more information on tape and reel specifi
cations, go to: http://www.linear.com/tapeandreel/
Storage Temperature Range ..................–65°C to 150°C
Lead Temperature, MSOP Only
(Soldering, 10 sec) ................................................300°C