參數(shù)資料
型號: LT1506CS8-3.3
廠商: LINEAR TECHNOLOGY CORP
元件分類: 穩(wěn)壓器
英文描述: RES 16.2K OHM 1/16W 1% 0402 SMD
中文描述: 8.5 A SWITCHING REGULATOR, 560 kHz SWITCHING FREQ-MAX, PDSO8
封裝: 0.150 INCH, PLASTIC, SO-8
文件頁數(shù): 5/24頁
文件大小: 417K
代理商: LT1506CS8-3.3
5
LT1506
TYPICAL PERFOR
M
A
CE CHARACTERISTICS
U
Frequency Foldback
FEEDBACK PIN VOLTAGE (V)
0
S
μ
A
500
400
300
200
100
0
2.0
1506 G10
0.5
1.0
1.5
2.5
SWITCHING
FREQUENCY
FEEDBACK PIN
CURRENT
Inductor Core Loss for 3.3V Output
INDUCTANCE (
μ
H)
0
2
C
1.0
0.1
0.01
0.001
4
6
8
10
1506 G01
TYPE 52
Metglas
Kool M
μ
PERMALLOY
μ
= 125
Switching Frequency
TEMPERATURE (
°
C)
–50
550
540
530
520
510
500
490
480
470
460
450
100
1506 G11
–25
0
25
50
75
125
F
BOOST Pin Current
SWITCH CURRENT (A)
0
0
B
10
20
40
30
60
50
1
2
3
4
5
1506 G14
80
70
100
90
DUTY CYCLE = 100%
Maximum Load Current
at V
OUT
= 3.3V
INPUT VOLTAGE (V)
4
4.0
4.2
4.4
12
1506 G13
3.8
3.6
6
10
8
14
3.4
3.2
3.0
L
L= 10
μ
H
L= 5
μ
H
L= 3
μ
H
L= 1.8
μ
H
Maximum Load Current
at V
OUT
= 5V
INPUT VOLTAGE (V)
5
2.6
L
2.8
3.2
3.4
3.6
9
13
15
4.4
1506 G17
3.0
7
11
3.8
4.0
4.2
L= 10
μ
H
L= 5
μ
H
L= 3
μ
H
L= 1.8
μ
H
Switch Voltage Drop
SWITCH CURRENT (A)
0
S
250
200
400
125
°
C
25
°
C
350
300
4
5
1506 G16
150
100
50
0
1
2
3
500
450
–40
°
C
V
C
Pin Shutdown Threshold
JUNCTION TEMPERATURE (
°
C)
–50
1.4
1.2
1.0
0.8
0.6
0.4
100
1506 G15
–25
0
25
50
75
125
T
SHUTDOWN
OUTPUT VOLTAGE (%)
0
5
6
7
80
1506 G18
4
3
20
40
60
100
2
1
0
O
FOLDBACK
CHARACTERISTICS
CURRENT
SOURCE
LOAD
RESISTOR
LOAD
MOS LOAD
POSSIBLE UNDESIRED
STABLE POINT FOR
CURRENT SOURCE
LOAD*
Current Limit Foldback
Kool M
μ
is a registered trademark of Magnetics, Inc.
Metglas is a registered trademark of AlliedSignal Inc.
*See “More Than Just Voltage Feedback” in the Applications Information section.
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