Datasheet
LTC2754
2
2754f
1615 17 18 19
TOP VIEW
53
UKG PACKAGE
52-LEAD (7mm s 8mm) PLASTIC QFN
20 21 22 23 24 25 26
5152 50 49 48 47 46 45 44 43 42 41
33
34
35
36
37
38
39
40
8
7
6
5
4
3
2
1GE
ADJA
R
INA
I
OUT2A
GND
CS/LD
SDI
SCK
SRO
SROGND
V
DD
GND
I
OUT2D
R
IND
GE
ADJD
GE
ADJB
R
INB
I
OUT2B
GND
LDAC
S2
S1
S0
M-SPAN
RFLAG
CLR
I
OUT2C
R
INC
GE
ADJC
R
COMA
REFA
R
OFSA
R
FBA
I
OUT1A
V
OSADJA
V
OSADJB
I
OUT1B
R
FBB
R
OFSB
REFB
R
COMB
R
COMD
REFD
R
OFSD
R
FBD
I
OUT1D
V
OSADJD
V
OSADJC
I
OUT1C
R
FBC
R
OFSC
REFC
R
COMC
32
31
30
29
28
27
9
10
11
12
13
14
T
JMAX
= 150°C, θ
JA
= 29°C/W
EXPOSED PAD (PIN 53) IS GND, MUST BE SOLDERED TO PCB
ABSOLUTE MAXIMUM RATINGS
I
OUT1X
, I
OUT2X
to GND ............................................±0.3V
R
INX
, R
COMX
, REFX, R
FBX
, R
OFSX
, V
OSADJX
,
GE
ADJX
to GND ........................................................±18V
V
DD
to GND .................................................. –0.3V to 7V
Digital Inputs and
Outputs to GND ................ –0.3V to V
DD
+0.3V (max 7V)
Operating Temperature Range
LTC2754C ................................................ 0°C to 70°C
LTC2754I..............................................–40°C to 85°C
Maximum Junction Temperature........................... 150°C
Storage Temperature Range ...................–65°C to 150°C
(Notes 1, 2)
PIN CONFIGURATION
ORDER INFORMATION
LEAD FREE FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC2754CUKG-12#PBF LTC2754CUKG-12#TRPBF LTC2754UKG-12
52-Lead (7mm × 8mm) Plastic QFN
0°C to 70°C
LTC2754IUKG-12#PBF LTC2754IUKG-12#TRPBF LTC2754UKG-12
52-Lead (7mm × 8mm) Plastic QFN
–40°C to 85°C
LTC2754BCUKG-16#PBF LTC2754BCUKG-16#TRPBF LTC2754UKG-16
52-Lead (7mm × 8mm) Plastic QFN
0°C to 70°C
LTC2754BIUKG-16#PBF LTC2754BIUKG-16#TRPBF LTC2754UKG-16
52-Lead (7mm × 8mm) Plastic QFN
–40°C to 85°C
LTC2754ACUKG-16#PBF LTC2754ACUKG-16#TRPBF LTC2754UKG-16
52-Lead (7mm × 8mm) Plastic QFN
0°C to 70°C
LTC2754AIUKG-16#PBF LTC2754AIUKG-16#TRPBF LTC2754UKG-16
52-Lead (7mm × 8mm) Plastic QFN
–40°C to 85°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.
Consult LTC Marketing for information on non-standard lead based fi nish parts.
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/