參數(shù)資料
型號: LT1103CT7
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 CONTROLLER, 200 kHz SWITCHING FREQ-MAX, PZFM7
封裝: TO-220, 7 PIN
文件頁數(shù): 3/32頁
文件大小: 452K
代理商: LT1103CT7
3
LT1103/LT1105
PACKAGE/ORDER I
FOR
ATIO
W
U
U
ORDER PART
NUMBER
ORDER PART
NUMBER
T
JMAX
= 100
°
C,
θ
JA
= 130
°
C/W
1
2
3
4
5
6
7
8
TOP VIEW
GND
15V
V
SW
I
LIM
V
IN
OSC
FB
V
C
N8 PACKAGE
8-LEAD PDIP
15V
V
OSC
GND
V
C
FB
V
SW
T7 PACKAGE
7-LEAD TO-220
FRONT VIEW
7
6
5
4
3
2
1
CASE IS CONNECTED TO GROUND. LEADS ARE FORMED
T
JMAX
= 100
°
C,
θ
JA
= 50
°
C/W
Consult factory for Military grade parts.
T
JMAX
= 100
°
C,
θ
JA
= 100
°
C/W
1
2
3
4
5
6
7
TOP VIEW
N PACKAGE
14-LEAD PDIP
PINS 1 AND 7 MUST BE TIED TOGETHER
14
13
12
11
10
9
8
PWRGND
OVLO
FB
V
C
5V
SS
GND
V
SW
NC
NC
15V
V
IN
OSC
I
LIM
ORDER PART
NUMBER
LT1103CT7
SYMBOL
I
Q
I
START
PARAMETER
Supply Current
Start-Up Current
CONDITIONS
8V < V
IN
< 30V, After Device Has Started
V
IN
< V
IN
Start Threshold
Industrial Grade
MIN
10
TYP
20
200
MAX
30
400
450
17.5
8.0
UNITS
mA
G
G
G
μ
A
μ
A
V
V
V
IN
Start Threshold
V
IN
Shutdown Threshold
G
14.5
5.0
16.0
7.0
Note: Switching Stops When V
SW
< 10V (LT1103)
Note: Switching Stops When V
GATE
< 10V (LT1105)
G
V
REF
5V Reference Voltage
V
REF
Line Regulation
V
REF
Load Regulation
V
REF
Short-Circuit Current
G
4.80
4.95
0.025
0.025
60
5.20
0.1
0.05
110
120
130
140
16.2
2.5
130
44
48
V
10V < V
IN
< 30V
0mA < I
L
< 20mA
Commercial Grade
Industrial Grade
Commercial Grade
Industrial Grade
17 < V
IN
< 30V, 0mA < I
L
< 30mA
V
IN
= 15V, I
L
= 30mA
G
%/V
%/mA
mA
mA
mA
mA
G
G
G
25
20
30
25
13.8
15V Short-Circuit Current
G
G
V
GATE
15V Gate Bias Reference
15V Dropout Voltage
15V Short-Circuit Current
Oscillator Scaling Factor
G
15.0
2.0
70
40
40
2.0
4.5
V
V
G
G
30
36
32
mA
SF
FB = 4V, V
C
= Open, Measured at V
SW
, I
SW
= 25mA,
OVLO = 5V, f
OSC
= SF/C
OSC,
40kHz < f
OSC
< 200kHz
Hz
μ
F
Hz
μ
F
G
Oscillator Valley Voltage
Oscillator Peak Voltage
V
V
ELECTRICAL CHARACTERISTICS
V
IN
= 20V, V
C
= 0.85V, OVLO = 0V, V
SW
Open, T
A
=
25
°
C, unless otherwise noted.
LT1105CN
LT1105IN
LT1105CN8
LT1105IN8
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