LT1374CS8-5SYNC Linear Technology, LT1374CS8-5SYNC Datasheet - Page 2
![IC SW REG 4.5A 5V STP-DWN 8-SOIC](/photos/7/63/76331/lt1374cs8-5sync_sml.jpg)
LT1374CS8-5SYNC
Manufacturer Part Number
LT1374CS8-5SYNC
Description
IC SW REG 4.5A 5V STP-DWN 8-SOIC
Manufacturer
Linear Technology
Type
Step-Down (Buck)r
Datasheet
1.LT1374CFEPBF.pdf
(32 pages)
Specifications of LT1374CS8-5SYNC
Internal Switch(s)
Yes
Synchronous Rectifier
No
Number Of Outputs
1
Voltage - Output
5V
Current - Output
4.5A
Frequency - Switching
500kHz
Voltage - Input
5 ~ 25 V
Operating Temperature
0°C ~ 125°C
Mounting Type
Surface Mount
Package / Case
8-SOIC (3.9mm Width)
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Power - Output
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
LT1374CS8-5SYNC
Manufacturer:
LINEAR/凌特
Quantity:
20 000
LT1374
ABSOLUTE AXI U RATI GS
Input Voltage
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
PACKAGE/ORDER I FOR ATIO
*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.
2
T
WITH PACKAGE SOLDERED TO 0.5 SQUARE INCH
COPPER AREA OVER BACKSIDE GROUND PLANE
OR INTERNAL POWER PLANE. θ
FROM 20°C/W TO > 40°C/W DEPENDING ON
MOUNTING TECHNIQUES
GND
TAB
JMAX
LT1374 ............................................................... 25V
LT1374HV .......................................................... 32V
IS
FB/SENSE
= 125°C, θ
BOOST
GND
GND
EXPOSED PAD SOLDERED TO
GROUND PLANE
V
V
NC
NC
7-LEAD PLASTIC DD
IN
IN
FRONT VIEW
16-LEAD PLASTIC TSSOP
R PACKAGE
1
2
3
4
5
6
7
8
JA
θ
FE16 PACKAGE
= 30°C/ W
JA
TOP VIEW
= 40°C/ W
7
6
5
4
3
2
1
W
JA
16
15
14
13
12
11
10
9
FB OR SENSE*
BOOST
V
GND
V
SYNC OR SHDN*
V
CAN VARY
IN
SW
C
GND
V
V
SYNC
SHDN
V
BIAS
GND
SW
SW
C
W W
U
LT1374CR
LT1374CR-5
LT1374CR-SYNC
LT1374CR-5 SYNC
LT1374HVCR
LT1374IR
LT1374IR-5
LT1374IR-SYNC
LT1374IR-5 SYNC
LT1374HVIR
FE PART MARKING
PART NUMBER
PART NUMBER
LT1374CFE
LT1374IFE
LT1374HVCFE
LT1374HVIFE
1374CFE
1374IFE
1374HVCFE
1374HVIFE
ORDER
ORDER
W
U
U
(Note 1)
TAB IS
GND
FB Pin Current (Adjustable Part) ............................ 1mA
SENSE Voltage (Fixed 5V Part) ................................. 7V
SYNC Pin Voltage ..................................................... 7V
Operating Junction Temperature Range
Storage Temperature Range ................ – 65°C to 150°C
Lead Temperature (Soldering, 10 sec)................. 300°C
T
SENSE*
JMAX
BOOST
LT1374C ............................................... 0°C to 125° C
LT1374I ........................................... – 40°C to 125°C
θ
GROUND PIN CONNECTED TO GROUND
PLANE OR LARGE LANDS
FB OR
FGND
JA
7-LEAD PLASTIC TO-220
V
= 125°C, θ
= 80°C/ W WITH FUSED (FGND)
IN
FRONT VIEW
T7 PACKAGE
1
2
3
4
8-LEAD PLASTIC SO
S8 PACKAGE
TOP VIEW
7
6
5
4
3
2
1
JA
= 50°C/ W, θ
8
7
6
5
JC
V
SYNC
OR SHDN*
V
BIAS
SW
C
= 4°C/ W
FB OR SENSE*
BOOST
V
GND
V
SHDN
V
IN
SW
C
LT1374CS8
LT1374CS8-5
LT1374CS8-SYNC
LT1374CS8-5 SYNC
LT1374HVCS8
LT1374IS8
LT1374IS8-5
LT1374IS8-SYNC
LT1374IS8-5 SYNC
LT1374HVIS8
S8 PART MARKING
1374
13745
1374SN
3745SN
1374HV
PART NUMBER
PART NUMBER
LT1374CT7
LT1374CT7-5
LT1374IT7
LT1374IT7-5
ORDER
ORDER
1374I
1374I5
374ISN
74I5SN
374HVI
1374fd