參數資料
型號: LT1107M
廠商: Linear Technology Corporation
英文描述: Micropower DC/DC Converter Adjustable and Fixed 5V, 12V
中文描述: 微功率DC / DC轉換可調和固定5V,12V的
文件頁數: 4/12頁
文件大小: 254K
代理商: LT1107M
4
LT1107
C
HARA TERISTICS
U
A
TYPICAL PERFOR
CE
Saturation Voltage, Step-Up Mode
(SW2 Pin Grounded)
Switch ON Voltage, Step-Down
Mode (SW1 Pin Connected to V
IN
)
Maximum Switch Current vs R
LIM
Quiescent Current
Quiescent Current
TEMPERATURE (°C)
–55
F
–15
25
45
125
1107 G07
–35
5
65
85 105
100
90
80
70
60
50
40
30
20
Oscillator Frequency
Switch ON Time
Step-Down Mode
TEMPERATURE (°C)
–55
S
μ
s
–15
25
45
125
1107 G10
–35
5
65
85 105
13
12
11
10
9
8
7
6
5
TEMPERATURE (°C)
–55
D
–15
25
45
125
1107 G09
–35
5
65
85 105
85
80
75
70
65
60
55
50
45
Duty Cycle
Step-Up Mode
TEMPERATURE (°C)
–55
Q
μ
A
–15
25
45
125
1107 G05
–35
5
65
85 105
400
350
300
250
200
150
100
TEMPERATURE (°C)
–55
S
μ
s
–15
25
45
125
1107 G08
–35
5
65
85 105
16
15
14
13
12
11
10
9
8
7
6
Switch ON Time
Step-Up Mode
INPUT VOLTAGE (V)
0
Q
μ
A
400
380
360
340
320
300
280
260
240
220
200
24
1107 G06
6
12
18
30
3
9
15
21
27
T
A
= 25°C
R
LIM
(
)
S
10
1107 G03
100
1.5
1.4
1.3
1.2
1.1
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
1000
STEP-DOWN
V
IN
= 12V
STEP-UP
2V
V
IN
5V
SWITCH CURRENT (A)
0
S
0.6
1107 G02
0.2
0.4
0.8
1.4
1.3
1.2
1.1
1.0
0.9
0.8
0.7
0.1
0.3
0.5
0.7
SWITCH CURRENT (A)
0
S
1.2
1.0
0.8
0.6
0.4
0.2
0
0.2
0.4
0.6
0.8
1107 G01
1.0
1.2
V
IN
= 3V
V
IN
= 2V
V
IN
= 5V
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