Datasheet
2
LT1575/LT1577
A
U
G
W
A
W
U
W
ARB
S
O
LU
T
EXI T
I
S
(Note 1)
V
IN
, IPOS, INEG ...................................................... 22V
SHDN....................................................................... V
IN
Operating Ambient Temperature Range ..... 0°C to 70°C
Junction Temperature (Note 2)................ 0°C to 100°C
Storage Temperature Range ................ –65°C to 150°C
Lead Temperature (Soldering, 10 sec)................. 300°C
WU
U
PACKAGE
/
O
RDER I FOR ATIO
1
2
3
4
8
7
6
5
TOP VIEW
SHDN
V
IN
GND
OUT
IPOS
INEG
GATE
COMP
S8 PACKAGE
8-LEAD PLASTIC SO
N8 PACKAGE
8-LEAD PDIP
T
JMAX
= 100°C, θ
JA
= 100°C/ W (N8)
T
JMAX
= 100°C, θ
JA
= 130°C/ W (S8)
LT1575CN8-1.5
LT1575CS8-1.5
LT1575CN8-2.8
LT1575CS8-2.8
LT1575CN8-3.3
ORDER PART NUMBER
ORDER PART NUMBER
LT1575CS8-3.3
LT1575CN8-3.5
LT1575CS8-3.5
LT1575CN8-5
LT1575CS8-5
157535
15755
157515
157528
157533
ORDER PART NUMBER
LT1577CS-ADJ/ADJ
T
JMAX
= 100°C, θ
JA
= 100°C/W
TOP VIEW
S PACKAGE
16-LEAD PLASTIC NARROW SO
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
SHDN1
V
IN1
GND1
FB1
SHDN2
V
IN2
GND2
FB2
IPOS1
INEG1
GATE1
COMP1
IPOS2
INEG2
GATE2
COMP2
1
2
3
4
8
7
6
5
TOP VIEW
SHDN
V
IN
GND
FB
IPOS
INEG
GATE
COMP
S8 PACKAGE
8-LEAD PLASTIC SO
N8 PACKAGE
8-LEAD PDIP
T
JMAX
= 100°C, θ
JA
= 100°C/ W (N8)
T
JMAX
= 100°C, θ
JA
= 130°C/ W (S8)
LT1575CN8
LT1575CS8
1575
S8 PART MARKING S8 PART MARKING
Consult factory for Industrial and Military grade parts.
ORDER PART NUMBER
LT1577CS-3.3/ADJ
T
JMAX
= 100°C, θ
JA
= 100°C/W
TOP VIEW
S PACKAGE
16-LEAD PLASTIC NARROW SO
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
SHDN1
V
IN1
GND1
OUT-3.3
SHDN2
V
IN2
GND2
FB
IPOS1
INEG1
GATE1
COMP1
IPOS2
INEG2
GATE2
COMP2
ORDER PART NUMBER
LT1577CS-3.3/2.8
T
JMAX
= 100°C, θ
JA
= 100°C/W
TOP VIEW
S PACKAGE
16-LEAD PLASTIC NARROW SO
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
SHDN1
V
IN1
GND1
OUT-3.3
SHDN2
V
IN2
GND2
OUT-2.8
IPOS1
INEG1
GATE1
COMP1
IPOS2
INEG2
GATE2
COMP2