LT1375 Linear Technology, LT1375 Datasheet - Page 2

• Manufacturer Part Number: LT1375
• Description: 1.5A/ 500kHz Step-Down Switching Regulators
• Manufacturer: Linear Technology

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