參數(shù)資料
型號: LT1371IT7
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: SWITCHING REGULATOR, 580 kHz SWITCHING FREQ-MAX, PSFM7
封裝: PLASTIC, TO-220, 7 PIN
文件頁數(shù): 2/16頁
文件大?。?/td> 320K
代理商: LT1371IT7
2
LT1371
A
Supply Voltage ....................................................... 30V
Switch Voltage
LT1371............................................................... 35V
LT1371HV .......................................................... 42V
S/S, SHDN, SYNC Pin Voltage ................................ 30V
Feedback Pin Voltage (Transient, 10ms) ..............
±
10V
Feedback Pin Current........................................... 10mA
Negative Feedback Pin Voltage
(Transient, 10ms).............................................
±
10V
U
G
W
A
W
U
W
A
R
BSOLUTE
XI
TI
S
Operating Ambient Temperature Range...... 0
°
C to 70
°
C
Operating Junction Temperature Range
Commercial .......................................... 0
°
C to 125
°
C
Industrial ......................................... –40
°
C to 125
°
C
Short Circuit ......................................... 0
°
C to 150
°
C
Storage Temperature Range ................ –65
°
C to 150
°
C
Lead Temperature (Soldering, 10 sec)................. 300
°
C
ELECTRICAL C
V
IN
= 5V, V
C
= 0.6V, V
FB
= V
REF
, V
SW
, S/S, SHDN, SYNC and NFB pins open, unless otherwise noted.
HARA TERISTICS
SYMBOL
V
REF
PARAMETER
Reference Voltage
CONDITIONS
Measured at Feedback Pin
V
C
= 0.8V
V
FB
= V
REF
MIN
1.230
1.225
TYP
1.245
1.245
250
MAX
1.260
1.265
550
900
0.03
UNITS
V
V
G
I
FB
Feedback Input Current
nA
nA
G
Reference Voltage Line Regulation
2.7V
V
IN
25V, V
C
= 0.8V
G
0.01
%/V
U
PACKAGE/ORDER U
T
JMAX
= 125
°
C,
θ
JA
= 30
°
C/W
WITH PACKAGE SOLDERED TO 0.5 INCH
2
COPPER
AREA OVER BACKSIDE GROUND PLANE OR INTERNAL
POWER PLANE.
θ
CAN VARY FROM 20
°
C/W TO
>40
°
C/W DEPENDING ON MOUNTING TECHNIQUE
R PACKAGE
7-LEAD PLASTIC DD
FRONT VIEW
TAB
IS
GND
V
IN
S/S
V
GND
NFB
FB
V
C
7
6
5
4
3
2
1
ORDER PART
NUMBER
ORDER PART
NUMBER
T7 PACKAGE
7-LEAD TO-220
V
S/S
V
GND
NFB
FB
V
C
FRONT VIEW
7
6
5
4
3
2
1
TAB
IS
GND
T
JMAX
= 125
°
C,
θ
JA
= 50
°
C/W,
θ
JC
= 4
°
C/W
ORDER PART
NUMBER
T
JMAX
= 125
°
C,
θ
JA
= 50
°
C/W
θ
WILL VARY FROM APPROXIMATELY 40
°
C/W WITH
0.75 INCH
2
OF 1 OZ COPPER TO 50
°
C/W WITH 0.33 INCH
2
OF 1 OZ COPPER ON A DOUBLE-SIDED BOARD
1
2
3
4
5
6
7
8
9
10
TOP VIEW
SW PACKAGE
20-LEAD PLASTIC SO WIDE
20
19
18
17
16
15
14
13
12
11
V
C
FB
NFB
GND
GND
GND
GND
SHDN
SYNC
V
IN
V
SW
NC
V
SW
GND
GND
GND
GND
NC
NC
GND
LT1371CR
LT1371HVCR
LT1371IR
LT1371HVIR
LT1371CT7
LT1371HVCT7
LT1371IT7
LT1371HVIT7
LT1371CSW
LT1371HVCSW
LT1371ISW
LT1371HVISW
Consult factory for Military grade parts.
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