Datasheet
2
LTC1591/LTC1597
15917fa
ABSOLUTE MAXIMUM RATINGS
W
WW
U
V
CC
to AGND ............................................... – 0.5V to 7V
V
CC
to DGND .............................................. – 0.5V to 7V
AGND to DGND ............................................. V
CC
+ 0.5V
DGND to AGND ............................................. V
CC
+ 0.5V
REF, R
OFS
, R
FB
, R1, R
COM
to AGND, DGND .......... ±25V
Digital Inputs to DGND ............... –0.5V to (V
CC
+ 0.5V)
I
OUT1
to AGND ............................ –0.5V to( V
CC
+ 0.5V)
Maximum Junction Temperature .......................... 125°C
Operating Temperature Range
LTC1591C/LTC1591-1C
LTC1597C/LTC1597-1C.......................... 0°C to 70°C
LTC1591I/LTC1591-1I
LTC1597I/LTC1597-1I ....................... –40°C to 85°C
Storage Temperature Range ................ – 65°C to 150°C
Lead Temperature (Soldering, 10 sec)................. 300°C
(Note 1)
PACKAGE/ORDER INFORMATION
W
U
U
ORDER PART
NUMBER
ORDER PART
NUMBER
LTC1591CG
LTC1591CN
LTC1591IG
LTC1591IN
LTC1591-1CG
LTC1591-1CN
LTC1591-1IG
LTC1591-1IN
LTC1597ACG
LTC1597ACN
LTC1597BCG
LTC1597BCN
LTC1597-1ACG
LTC1597-1ACN
LTC1597-1BCG
LTC1597-1BCN
LTC1597AIG
LTC1597AIN
LTC1597BIG
LTC1597BIN
LTC1597-1AIG
LTC1597-1AIN
LTC1597-1BIG
LTC1597-1BIN
1
2
3
4
5
6
7
8
9
10
11
12
13
14
TOP VIEW
G PACKAGE
28-LEAD PLASTIC SSOP
N PACKAGE
28-LEAD NARROW PDIP
28
27
26
25
24
23
22
21
20
19
18
17
16
15
CLR
NC
NC
D0
D1
V
CC
DGND
D2
D3
D4
D5
D6
D7
D8
REF
R
COM
R1
R
OFS
R
FB
I
OUT1
AGND
LD
WR
D13
D12
D11
D10
D9
1
2
3
4
5
6
7
8
9
10
11
12
13
14
TOP VIEW
G PACKAGE
28-LEAD PLASTIC SSOP
N PACKAGE
28-LEAD NARROW PDIP
28
27
26
25
24
23
22
21
20
19
18
17
16
15
CLR
D0
D1
D2
D3
V
CC
DGND
D4
D5
D6
D7
D8
D9
D10
REF
R
COM
R1
R
OFS
R
FB
I
OUT1
AGND
LD
WR
D15
D14
D13
D12
D11
T
JMAX
= 125°C, θ
JA
= 95°C/ W (G)
T
JMAX
= 125°C, θ
JA
= 70°C/ W (N)
T
JMAX
= 125°C, θ
JA
= 95°C/ W (G)
T
JMAX
= 125°C, θ
JA
= 70°C/ W (N)
Consult LTC Marketing for parts specified with wider operating temperature ranges.
Order Options Tape and Reel: Add #TR
Lead Free: Add #PBF Lead Free Tape and Reel: Add #TRPBF
Lead Free Part Marking: http://www.linear.com/leadfree/