參數(shù)資料
型號: MAX1776
廠商: Maxim Integrated Products, Inc.
英文描述: 32-Bit Digital Signal Controller with ROM 100-BGA MICROSTAR -40 to 85
中文描述: 24V、600mA內(nèi)置開關(guān)、100%占空比、降壓型轉(zhuǎn)換器
文件頁數(shù): 5/13頁
文件大?。?/td> 740K
代理商: MAX1776
M
24V, 600mA Internal Switch, 100% Duty Cycle,
Step-Down Converter
_______________________________________________________________________________________
5
5
13
11
7
9
15
17
19
21
23
25
V
OUTPUT
vs. V
IN
,
CIRCUIT 1, V
OUTPUT
= 5V
M
V
IN
(V)
V
O
1.0
-0.6
-0.8
-0.2
-0.4
0.2
0
0.4
I
LOAD
= 1mA
I
LOAD
= 10mA
I
LOAD
= 50mA
I
LOAD
= 500mA
5
13
11
7
9
15
17
19
21
23
25
V
OUTPUT
vs. V
IN
,
CIRCUIT 1, V
OUTPUT
= 3.3V
M
V
IN
(V)
V
O
I
LOAD
= 1mA
I
LOAD
= 10mA
-1.2
-0.8
-1.0
-0.2
-0.4
-0.6
0
0.2
0.4
0.6
I
LOAD
= 500mA
I
LOAD
= 50mA
100
50
0.10
1
10
100
1000
EFFICIENCY vs. I
LOAD
, CIRCUIT 1,
V
OUT
= 5V
60
M
I
LOAD
(mA)
E
70
80
75
90
85
65
55
95
V
IN
= 15V
V
IN
= 12V
V
IN
= 24V
V
IN
= 6V
100
50
0.10
1
10
100
1000
EFFICIENCY vs. I
LOAD
, CIRCUIT 5,
V
OUTPUT
= 3.3V
60
M
I
LOAD
(mA)
E
70
80
75
90
85
65
55
95
V
IN
= 15V
V
IN
= 12V
V
IN
= 24V
V
IN
= 6V
100
50
0.10
1
10
100
1000
EFFICIENCY vs. I
LOAD
, CIRCUIT 1,
V
OUTPUT
= 3.3V
60
M
I
LOAD
(mA)
E
70
80
75
90
85
65
55
95
V
IN
= 12V
V
IN
= 24V
V
IN
= 6V
50
60
55
70
65
80
75
85
95
90
100
7
9
10
11
V
IN
(V)
8
12
13
14
15
16
EFFICIENCY vs. V
IN
, I
LOAD
= 500mA
M
E
CIRCUIT 1, 5V
CIRCUIT 5, 5V
CIRCUIT 1, 3.3V
CIRCUIT 5, 3.3V
Typical Operating Characteristics (continued)
(Circuit of Figure 1, components from Table 3, V
IN
= +12V,
SHDN
= IN, T
A
= +25
°
C.)
0
40
20
80
60
120
100
140
180
160
200
0
200 300 400
100
500 600 700 800 900
I
LOAD
(mA)
SWITCHING FREQUENCY vs.
LOAD CURRENT, CIRCUIT 1
M
F
V
IN
= 24V
V
IN
= 12V
V
IN
= 15V
0
40
20
80
60
120
100
140
SWITCHING FREQUENCY vs.
V
IN,
CIRCUIT 1
M
V
IN
(V)
F
5
10
15
20
25
I
LOAD
= 250mA
I
LOAD
= 375mA
I
LOAD
= 500mA
I
LOAD
= 10mA
I
LOAD
= 50mA
I
LOAD
= 5mA
-1.5
-0.5
-1.0
0.5
0
1.0
1.5
-40
20
40
-20
0
60
80
100
V
OUTPUT
ACCURACY vs. TEMPERATURE
M
TEMPERATURE (
°
C)
V
O
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