參數(shù)資料
型號(hào): MAX1684
廠商: Maxim Integrated Products, Inc.
英文描述: Low-Noise, 14V Input, 1A, PWM Step-Down Converters
中文描述: 低噪聲、14V輸入、1A、PWM降壓型轉(zhuǎn)換器
文件頁(yè)數(shù): 5/16頁(yè)
文件大?。?/td> 234K
代理商: MAX1684
M
Low-Noise, 14V Input, 1A, PWM
S tep-Down Converters
_______________________________________________________________________________________
5
100
0
0.1
1
10
100
1,000
10,000
MAX1684
EFFICIENCY vs. LOAD CURRENT
(V
IN
= 3.3V, V
OUT
= 1.8V, 2.5V)
20
10
M
LOAD CURRENT (mA)
E
40
30
60
80
90
70
50
A: V
OUT
= 2.5V LP MODE
B: V
OUT
= 1.8V LP MODE
C: V
OUT
= 2.5V NORM MODE
D: V
OUT
= 1.8V NORM MODE
E: V
OUT
= 2.5V PWM MODE
F: V
OUT
= 1.8V PWM MODE
A
D
E
B
F
C
100
0
0.1
1
10
100
1,000
10,000
MAX1684
EFFICIENCY vs. LOAD CURRENT
(V
OUT
= 3.3V)
20
10
M
LOAD CURRENT (mA)
MAX1684
EFFICIENCY vs. LOAD CURRENT
(V
OUT
= 5V, PWM MODE)
E
40
30
60
80
90
70
50
A: V
IN
= 4V LOW-POWER MODE
B: V
IN
= 12V LOW-POWER MODE
C: V
IN
= 4V NORMAL MODE
D: V
IN
= 12V NORMAL MODE
D
C
A
B
1
100
10
1,000
10,000
MAX1684
EFFICIENCY vs. LOAD CURRENT
(V
OUT
= 3.3V, PWM MODE)
M
LOAD CURRENT (mA)
MAX1685
EFFICIENCY vs. LOAD CURRENT
(V
OUT
= 3.3V, PWM MODE)
E
100
0
20
10
50
40
30
70
60
90
80
A: V
IN
= 4V
B: V
IN
= 5V
C: V
IN
= 9V
D: V
IN
= 12V
C
B
A
D
100
20
0.1
1
10
100
1,000
10,000
MAX1684
EFFICIENCY vs. LOAD CURRENT
(V
OUT
= 5V)
40
30
M
LOAD CURRENT (mA)
MAX1685
EFFICIENCY vs. LOAD CURRENT
(V
OUT
= 3.3V)
E
50
70
90
80
60
A: V
IN
= 6V LP MODE
B: V
IN
= 9V LP MODE
C: V
IN
= 12V LP MODE
D: V
IN
= 6V NORMAL MODE
E: V
IN
= 9V NORMAL MODE
F: V
IN
= 12V NORMAL MODE
E
B
F
E
D
A
C
100
0
0.1
1
10
100
1,000
10,000
20
10
M
LOAD CURRENT (mA)
E
40
30
60
80
90
70
50
A: V
IN
= 4V LP MODE
B: V
IN
= 12V LP MODE
C: V
IN
= 4V NORMAL MODE
D: V
IN
= 12V NORMAL MODE
D
C
B
A
1
100
10
1,000
10,000
M
LOAD CURRENT (mA)
MAX1685
EFFICIENCY vs. LOAD CURRENT
(V
OUT
= 5V PWM MODE)
E
100
0
20
10
50
40
30
70
60
90
80
A: V
IN
= 6V
B: V
IN
= 9V
C: V
IN
=12V
C
B
A
1
100
10
1,000
10,000
M
LOAD CURRENT (mA)
MAX1685
EFFICIENCY vs. LOAD CURRENT
(V
OUT
= 5V)
E
100
0
20
10
50
40
30
70
60
90
80
V
IN
= 5V
V
IN
=9V
V
IN
= 12V
V
IN
= 4V
1
100
10
1,000
10,000
M
LOAD CURRENT (mA)
E
100
0
20
10
50
40
30
70
60
90
80
V
IN
= 6V
V
IN
= 9V
V
IN
=12V
100
0
0.1
1
10
100
1,000
10,000
20
10
M
LOAD CURRENT (mA)
E
40
30
60
80
90
70
50
A: V
IN
= 6V LOW-POWER MODE
B: V
IN
= 9V LOW-POWER MODE
C: V
IN
= 12V LOW-POWER MODE
D: V
IN
= 6V NORMAL MODE
E: V
IN
= 9V NORMAL MODE
F: V
IN
=12V NORMAL MODE
A
F
E
D
C
B
Typic al Operating Charac teristic s
(Circuit of Figure 1, T
A
= +25°C, unless otherwise noted.)
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