LT1375/LT1376
ABSOLUTE
MAXIMUM
RATINGS
(Note 1)
Input Voltage
LT1375/LT1376 .................................................. 25V
LT1375HV/LT1376HV ........................................ 30V
BOOST Pin Voltage
LT1375/LT1376 .................................................. 35V
LT1375HV/LT1376HV ........................................ 40V
SHDN Pin Voltage ..................................................... 7V
BIAS Pin Voltage ...................................................... 7V
FB Pin Voltage (Adjustable Part) ............................ 3.5V
FB Pin Current (Adjustable Part) ............................ 1mA
Sense Voltage (Fixed 5V Part) .................................. 7V
SYNC Pin Voltage ..................................................... 7V
Operating Ambient Temperature Range
LT1375C/LT1376C ................................. 0°C to 70°C
LT1375I/LT1376I ............................... – 40°C to 85°C
Operating Junction Temperature Range
LT1375C/LT1376C ............................... 0°C to 125° C
LT1375I/LT1376I ............................. – 40°C to 125°C
Storage Temperature Range ................ – 65°C to 150°C
Lead Temperature (Soldering, 10 sec)................. 300°C
PACKAGE/ORDER INFORMATION
TOP VIEW
BOOST 1
V
IN
2
V
SW
3
SHDN 4
N8 PACKAGE
8-LEAD PDIP
8 V
C
7 FB/SENSE
6 GND
5 SYNC
S8 PACKAGE
8-LEAD PLASTIC SO
BOOST 1
V
IN
2
V
SW
3
BIAS 4
N8 PACKAGE
8-LEAD PDIP
TOP VIEW
8 V
C
7 FB/SENSE
6 GND
5 SHDN
S8 PACKAGE
8-LEAD PLASTIC SO
θ
JA
= 100°C/ W (N8)
θ
JA
= 120°C/ W TO 150°C/W DEPENDING ON
PC BOARD LAYOUT (S8)
θ
JA
= 100°C/ W (N8)
θ
JA
= 120°C/ W TO 150°C/W DEPENDING ON
PC BOARD LAYOUT (S8)
ORDER PART NUMBER
LT1375CN8
LT1375CN8-5
LT1375CS8
LT1375CS8-5
LT1375HVCS8
LT1375IN8
LT1375IN8-5
LT1375IS8
LT1375IS8-5
LT1375HVIS8
ORDER PART NUMBER
LT1376CN8
LT1376CN8-5
LT1376CS8
LT1376CS8-5
LT1376HVCS8
LT1376IN8
LT1376IN8-5
LT1376IS8
LT1376IS8-5
LT1376HVIS8
S8 PART MARKING
1375
13755
1375HV
1375I
1375I5
375HVI
S8 PART MARKING
1376
13765
1376HV
1376I
1376I5
376HVI
Consult factory for Military grade parts.
2
U
U
W
W W
U
W
TOP VIEW
GND 1
NC 2
BOOST 3
V
IN
4
V
SW
5
BIAS 6
NC 7
GND 8
16 GND
15 NC
14 V
C
13 FB/SENSE
12 GND
11 SHDN
10 NC
9
GND
S PACKAGE
16-LEAD PLASTIC NARROW SO
θ
JA
= 50°C/ W WITH FUSED CORNER PINS
CONNECTED TO GROUND PLANE OR LARGE
LANDS
ORDER PART NUMBER
LT1376CS
LT1376IS
LT1376HVCS
LT1376HVIS
LINER [ LINEAR TECHNOLOGY ]
