LTC4270/LTC4271
PIN CONFIGURATION
LTC4270
LTC4271
TOP VIEW
52 51 50 49 48 47 46 45 44 43 42 41
TOP VIEW
SENSE1
GATE1
OUT1
1
2
3
4
5
6
7
8
9
40 SENSE12
39 GATE12
OUT12
38
37
24 23 22 21 20 19
18 SCL
SENSE2
GATE2
OUT2
SENSE11
AD0
AD1
AD2
AD3
AD6
MID
1
2
3
4
5
6
36 GATE11
OUT11
SDAIN
17
16
35
SDAOUT
25
CAP2
34 AGND
33 SENSE10
32 GATE10
31 OUT10
30 SENSE9
29 GATE9
28 OUT9
53
VSSK
DGND
15 INT
SENSE3
GATE3
14
RESET
13 DNC
OUT3 10
SENSE4 11
GATE4 12
OUT4 13
7
8
9 10 11 12
XIO0 14
27 XIO1
UF PACKAGE
24-LEAD (4mm × 4mm) PLASTIC QFN
15 16 17 18 19 20 21 22 23 24 25 26
T
= 125°C, θ = 37°C/W
JA
JMAX
EXPOSED PAD (PIN 25) IS DGND, MUST BE SOLDERED TO PCB
UKG PACKAGE
52-LEAD (7mm × 8mm) PLASTIC QFN
T
= 125°C, θ = 40°C/W
JA
JMAX
EXPOSED PAD (PIN 53) IS VSSK, MUST BE SOLDERED TO PCB
ORDER INFORMATION
LEAD FREE FINISH
TAPE AND REEL
PART MARKING PACKAGE DESCRIPTION
MAX PWR TEMPERATURE RANGE
LTC4271IUF#PBF
LTC4271IUF#TRPBF
4271
–40°C to 85°C
24-Lead (4mm × 4mm) Plastic QFN
52-Lead (7mm × 8mm) Plastic QFN
52-Lead (7mm × 8mm) Plastic QFN
52-Lead (7mm × 8mm) Plastic QFN
LTC4270AIUKG#PBF
LTC4270BIUKG#PBF
LTC4270CIUKG#PBF
LTC4270AIUKG#TRPBF
LTC4270BIUKG#TRPBF
LTC4270CIUKG#TRPBF
LTC4270A
LTC4270B
LTC4270C
90W
–40°C to 85°C
–40°C to 85°C
–40°C to 85°C
25.5W
13W
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/
42701f
3
Linear [ Linear ]
