LT1374CFE データシートの表示（PDF） - Linear Technology
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LT1374CFE Datasheet PDF : 32 Pages
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LT1374
ABSOLUTE AXI U RATI GS (Note 1)
Input Voltage
LT1374 ............................................................... 25V
LT1374HV .......................................................... 32V
BOOST Pin Voltage ................................................. 38V
BOOST Pin Above Input Voltage ............................. 15V
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 Junction Temperature Range
LT1374C ............................................... 0°C to 125° C
LT1374I ........................................... – 40°C to 125°C
Storage Temperature Range ................ – 65°C to 150°C
Lead Temperature (Soldering, 10 sec)................. 300°C
UW U
PACKAGE/ORDER I FOR ATIO
FRONT VIEW
7
FB OR SENSE*
6
BOOST
TAB
5
VIN
IS
4
GND
GND
3
VSW
2
SYNC OR SHDN*
1
VC
R PACKAGE
7-LEAD PLASTIC DD
TJMAX = 125°C, θJA = 30°C/ W
WITH PACKAGE SOLDERED TO 0.5 SQUARE INCH
COPPER AREA OVER BACKSIDE GROUND PLANE
OR INTERNAL POWER PLANE. θJA CAN VARY
FROM 20°C/W TO > 40°C/W DEPENDING ON
MOUNTING TECHNIQUES
TOP VIEW
GND 1
NC 2
VIN 3
VIN 4
BOOST 5
FB/SENSE 6
NC 7
GND 8
16 GND
15 VSW
14 VSW
13 SYNC
12 SHDN
11 VC
10 BIAS
9 GND
FE16 PACKAGE
16-LEAD PLASTIC TSSOP
θJA = 40°C/ W
EXPOSED PAD SOLDERED TO
GROUND PLANE
ORDER
PART NUMBER
LT1374CR
LT1374CR-5
LT1374CR-SYNC
LT1374CR-5 SYNC
LT1374HVCR
LT1374IR
LT1374IR-5
LT1374IR-SYNC
LT1374IR-5 SYNC
LT1374HVIR
ORDER
PART NUMBER
LT1374CFE
LT1374IFE
LT1374HVCFE
LT1374HVIFE
FE PART MARKING
1374CFE
1374IFE
1374HVCFE
1374HVIFE
ORDER
PART NUMBER
TOP VIEW
VIN 1
BOOST 2
FB OR
SENSE*
3
FGND 4
8 VSW
7
SYNC
OR SHDN*
6 VC
5 BIAS
S8 PACKAGE
8-LEAD PLASTIC SO
θJA = 80°C/ W WITH FUSED (FGND)
GROUND PIN CONNECTED TO GROUND
PLANE OR LARGE LANDS
TAB IS
GND
FRONT VIEW
7
FB OR SENSE*
6
BOOST
5
VIN
4
GND
3
VSW
2
SHDN
1
VC
T7 PACKAGE
7-LEAD PLASTIC TO-220
TJMAX = 125°C, θJA = 50°C/ W, θJC = 4°C/ W
LT1374CS8
LT1374CS8-5
LT1374CS8-SYNC
LT1374CS8-5 SYNC
LT1374HVCS8
LT1374IS8
LT1374IS8-5
LT1374IS8-SYNC
LT1374IS8-5 SYNC
LT1374HVIS8
S8 PART MARKING
1374 1374I
13745 1374I5
1374SN 374ISN
3745SN 74I5SN
1374HV 374HVI
ORDER
PART NUMBER
LT1374CT7
LT1374CT7-5
LT1374IT7
LT1374IT7-5
*Default is the adjustable output voltage device with FB pin and shutdown function. Option -5 replaces FB with SENSE pin for fixed 5V output applications.
-SYNC replaces SHDN with SYNC pin for applications requiring synchronization. Consult LTC Marketing for parts specified with wider operating
temperature ranges.
1374fd
2
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