參數(shù)資料
型號: LT1374CT7-5
廠商: LINEAR TECHNOLOGY CORP
元件分類: 穩(wěn)壓器
英文描述: RADIATION HARDENED HIGH EFFICIENCY, 5 AMP SWITCHING REGULATORS
中文描述: 8.5 A SWITCHING REGULATOR, 560 kHz SWITCHING FREQ-MAX, PSFM7
封裝: PLASTIC, TO-220, 7 PIN
文件頁數(shù): 2/28頁
文件大?。?/td> 261K
代理商: LT1374CT7-5
2
LT1374
ABSOLUTE
AXI
U
RATIU
W
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
W
W
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
PACKAGE/ORDER I
FOR
ATIO
W
U
U
R PACKAGE
7-LEAD PLASTIC DD
FRONT VIEW
TAB
IS
GND
FB OR SENSE*
BOOST
V
GND
V
SYNC OR SHDN*
V
C
7
6
5
4
3
2
1
1
2
3
4
8
7
6
5
TOP VIEW
S8 PACKAGE
8-LEAD PLASTIC SO
V
IN
BOOST
FB OR
SENSE*
FGND
V
SW
SYNC
OR SHDN*
V
C
BIAS
θ
= 80
°
C/W WITH FUSED (FGND) GROUND PIN
CONNECTED TO GROUND PLANE OR LARGE LANDS
ORDER PART NUMBER
LT1374CS8
LT1374CS8-5
LT1374CS8-SYNC
LT1374CS8-5 SYNC
LT1374HVCS8
S8 PART MARKING
1374
13745
1374SN
3745SN
1374HV
LT1374IS8
LT1374IS8-5
LT1374IS8-SYNC
LT1374IS8-5 SYNC
LT1374HVIS8
T
= 125
°
C,
θ
= 30
°
C/W
WITH PACKAGE SOLDERED TO 0.5 SQUARE INCH
COPPER AREA OVER BACKSIDE GROUND PLANE
OR INTERNAL POWER PLANE.
θ
CAN VARY
FROM 20
°
C/W TO >40
°
C/W DEPENDING ON
MOUNTING TECHNIQUES
ORDER PART NUMBER
LT1374CR
LT1374CR-5
LT1374CR-SYNC
LT1374CR-5 SYNC
LT1374HVCR
LT1374IR
LT1374IR-5
LT1374IR-SYNC
LT1374IR-5 SYNC
LT1374HVIR
ORDER PART NUMBER
LT1374CT7
LT1374CT7-5
LT1374IT7
LT1374IT7-5
T7 PACKAGE
7-LEAD PLASTIC TO-220
T
JMAX
= 125
°
C
, θ
JA
= 50
°
C/W,
θ
JC
= 4
°
C/W
FB OR SENSE*
BOOST
V
GND
V
SHDN
V
C
FRONT VIEW
TAB
IS
GND
7
6
5
4
3
2
1
*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 factory for Military grade parts.
1374I
1374I5
374ISN
74I5SN
1374HVI
(Note 1)
PARAMETER
Feedback Voltage (Adjustable)
CONDITIONS
MIN
2.39
2.36
4.94
4.90
7
TYP
2.42
MAX
2.45
2.48
5.06
5.10
14
0.03
UNITS
V
V
V
V
All Conditions
G
Sense Voltage (Fixed 5V)
5.0
All Conditions
G
SENSE Pin Resistance
Reference Voltage Line Regulation
10
0.01
k
%/V
5V
V
IN
25V (5V
V
IN
32V for LT1374HV)
The
G
denotes specifications which apply over the full operating tempera-
ture range, otherwise specifications are at T
J
= 25
°
C. V
IN
= 15V, V
C
= 1.5V, Boost = V
IN
+ 5V, switch open, unless otherwise noted.
ELECTRICAL CHARACTERISTICS
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