Datasheet
LTC4290/LTC4271
3
429071fa
For more information www.linear.com/LTC4290
pin conFigurAtion
orDer inForMAtion
LEAD FREE FINISH TAPE AND REEL PART MARKING PACKAGE DESCRIPTION MAX PWR TEMPERATURE RANGE
LTC4271IUF#PBF LTC4271IUF#TRPBF 4271 24-Lead (4mm × 4mm) Plastic QFN –40°C to 85°C
LTC4290AIUJ#PBF LTC4290AIUJ#TRPBF LTC4290AUJ 40-Lead (6mm × 6mm) Plastic QFN 90W –40°C to 85°C
LTC4290BIUJ#PBF LTC4290BIUJ#TRPBF LTC4290BUJ 40-Lead (6mm × 6mm) Plastic QFN 25.5W –40°C to 85°C
LTC4290CIUJ#PBF LTC4290CIUJ#TRPBF LTC4290CUJ 40-Lead (6mm × 6mm) Plastic QFN 13W –40°C to 85°C
Consult LTC Marketing for parts specified with wider operating temperature ranges.
Consult LTC Marketing for information on non-standard lead based finish parts.
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/
LTC4290 LTC4271
1211 13 14 15
TOP VIEW
41
VSSK
UJ PACKAGE
40-LEAD (6mm × 6mm) PLASTIC QFN
16 17 18 19 20
3940 38 37 36 35 34 33 32 31
23
24
25
26
27
28
29
30
8
7
6
5
4
3
2
1V
EE
GATE1
OUT1
GATE2
OUT2
CAP2
GATE3
OUT3
GATE4
OUT4
V
EE
GATE8
OUT8
GATE7
OUT7
AGND
GATE6
OUT6
GATE5
OUT5
V
EE
CPA
CNA
DPA
DNA
NC
NC
V
EE
NC
NC
XIO0
SENSE1
SENSE2
SENSE3
SENSE4
SENSE5
SENSE6
SENSE7
SENSE8
XIO1
22
21
9
10
T
JMAX
= 125°C, θ
JC
= 2°C/W
EXPOSED PAD (PIN 41) IS VSSK, MUST BE SOLDERED TO PCB
24 23 22 21 20 19
7 8 9
TOP VIEW
UF PACKAGE
24-LEAD (4mm × 4mm) PLASTIC QFN
10 11 12
6
5
4
3
2
1
13
14
15
16
17
18
AD0
AD1
AD2
AD3
AD6
MID
SCL
SDAIN
SDAOUT
INT
RESET
DNC
MSD
GP0
GP1
AUTO
V
DD33
CAP1
NC
CPD
CND
DPD
DND
V
DD33
25
DGND
T
JMAX
= 125°C, θ
JC
= 4°C/W
EXPOSED PAD (PIN 25) IS DGND, MUST BE SOLDERED TO PCB