Datasheet

LTC2641/LTC2642
2
26412fc
For more information www.linear.com/LTC2641
absoluTe MaxiMuM raTings
V
DD
to GND .................................................. –0.3V to 6V
CS, SCLK, DIN,
CLR to GND ........................–0.3V to (V
DD
+ 0.3V) or 6V
REF, V
OUT
, INV to GND ........–0.3V to (V
DD
+ 0.3V) or 6V
R
FB
to INV ....................................................... –6V to 6V
R
FB
to GND ..................................................... –6V to 6V
GND to GND (S8 Package) OBSOLETE .... –0.3V to 0.3V
(Note 1)
pin conFiguraTion
Operating Temperature Range
LTC2641C/LTC2642C ............................... 0°C to 70°C
LTC2641I/LTC2642I .............................. –40°C to 85°C
Maximum Junction Temperature (Note 2)............. 125°C
Storage Temperature Range ................... –65°C to 150°C
Lead Temperature (Soldering, 10 sec) .................. 300°C
LTC2641 LTC2641 LTC2641
TOP VIEW
9
DD PACKAGE
8-LEAD (3mm × 3mm) PLASTIC DFN
5
6
7
8
4
3
2
1REF
CS
SCLK
DIN
GND
V
DD
V
OUT
CLR
T
JMAX
= 125°C (NOTE 2), θ
JA
= 43°C/W
EXPOSED PAD (PIN 9) IS GND, MUST BE SOLDERED TO PCB
1
2
3
4
REF
CS
SCLK
DIN
8
7
6
5
GND
V
DD
V
OUT
CLR
TOP VIEW
MS8 PACKAGE
8-LEAD PLASTIC MSOP
T
JMAX
= 125°C (NOTE 2), θ
JA
= 120°C/W
1
2
3
4
8
7
6
5
TOP VIEW
V
DD
GND
DIN
SCLK
V
OUT
GND
REF
CS
S8 PACKAGE
8-LEAD PLASTIC SO
T
JMAX
= 125°C, θ
JA
= 110°C/W
OBSOLETE PACKAGE
LTC2642 LTC2642
TOP VIEW
11
DD PACKAGE
10-LEAD (3mm × 3mm) PLASTIC DFN
10
9
6
7
8
4
5
3
2
1
GND
V
DD
R
FB
INV
V
OUT
REF
CS
SCLK
DIN
CLR
T
JMAX
= 125°C (NOTE 2), θ
JA
= 43°C/W
EXPOSED PAD (PIN 11) IS GND, MUST BE SOLDERED TO PCB
1
2
3
4
5
REF
CS
SCLK
DIN
CLR
10
9
8
7
6
GND
V
DD
R
FB
INV
V
OUT
TOP VIEW
MS PACKAGE
10-LEAD PLASTIC MSOP
T
JMAX
= 125°C (NOTE 2), θ
JA
= 120°C/W