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参数资料
| 型号： | MAX1970-MAX1972 |
| 厂商： | Maxim Integrated Products, Inc. |
| 英文描述： | Dual, 180∑ Out-of-Phase, 1.4MHz, 750mA Step- Down Regulator with POR and RSI/PFO |
| 中文描述： | 双路，180Σ外的阶段，1.4MHz的，750毫安降压型POR和RSI的稳压器/警队条例 |
| 文件页数： | 7/20页 |
| 文件大小： | 371K |
| 代理商： | MAX1970-MAX1972 |
M
Dual, 180° Out-of-Phase, 1.4MHz, 750mA Step-
Down Regulator with POR and RSI/PFO
_______________________________________________________________________________________
7
100
0
0.01
0.1
1
EFFICIENCY vs. LOAD CURRENT
20
10
M
LOAD CURRENT (A)
E
40
30
60
70
50
80
90
V
OUT2
= 2.5V
V
OUT1
= 3.3V
MAX1970/
MAX1972
V
IN
= 5.0V
V
OUT1
= 1.8V
V
OUT2
= 1.5V
100
0
0.01
0.1
1
EFFICIENCY vs. LOAD CURRENT
20
10
M
LOAD CURRENT (A)
E
40
30
60
70
50
80
90
V
OUT2
= 2.5V
V
OUT1
= 3.3V
MAX1971
V
IN
= 5.0V
V
OUT1
= 1.8V
V
OUT2
= 1.5V
100
0
0.01
0.1
1
EFFICIENCY vs. LOAD CURRENT
20
10
M
LOAD CURRENT (A)
E
40
30
60
70
50
80
90
V
OUT2
= 2.5V
MAX1970/
MAX1972
V
IN
= 3.3V
V
OUT1
= 1.8V
V
OUT2
= 1.5V
100
0
0.01
0.1
1
EFFICIENCY vs. LOAD CURRENT
20
10
M
LOAD CURRENT (A)
E
40
30
60
70
50
80
90
V
OUT2
= 2.5V
MAX1971
V
IN
= 3.3V
V
OUT1
= 1.8V
V
OUT2
= 1.5V
500
0
0
400
800
700
600
500
300
200
100
INPUT CURRENT vs. OUTPUT CURRENT
100
50
M
OUTPUT CURRENT (mA)
I
200
150
300
350
250
400
450
V
OUT1
= 3.3V
V
IN
= 5.0V
V
OUT2
= 2.5V
V
OUT1
= 1.8V
V
OUT2
= 1.5V
MAX1970/MAX1972
1.22
1.17
0
10
20
15
5
REFERENCE VOLTAGE vs.
REFERENCE LOAD CURRENT
1.18
M
REFERENCE LOAD CURRENT (
μ
A)
R
1.19
1.20
1.21
1.60
0.40
2.5
4.0
5.5
5.0
4.5
3.5
INPUT VOLTAGE (V)
3.0
OSCILLATOR FREQUENCY
vs. INPUT VOLTAGE
0.60
M
O
0.80
1.20
1.00
1.40
T
A
= +85
°
C
MAX1970/MAX1972
T
A
= +25
°
C
T
A
= -40
°
C
T
A
= +85
°
C
MAX1971
T
A
= +25
°
C
T
A
= -40
°
C
3
-3
0
400
800
600
200
CHANGE IN OUTPUT VOLTAGE
vs. LOAD CURRENT
-2
M
LOAD CURRENT (mA)
C
-1
1
0
2
V
OUT1
= 3.3V
V
OUT1
= 1.8V
V
OUT2
= 1.5V
V
OUT2
= 2.5V
V
IN
= 5.0V
MAX1970/MAX1972
Typical Operating Characteristics
(T
A
= +25
°
C, unless otherwise noted.)
相关PDF资料 |
PDF描述 |
|---|---|
| MAX1970 | Dual, 180∑ Out-of-Phase, 1.4MHz, 750mA Step- Down Regulator with POR and RSI/PFO |
| MAX1970EEE | Fixed-Point Digital Signal Processor 532-FCBGA |
| MAX1971 | Fixed-Point Digital Signal Processor 532-FCBGA |
| MAX1972 | Dual, 180∑ Out-of-Phase, 1.4MHz, 750mA Step- Down Regulator with POR and RSI/PFO |
| MAX1972EEE | Fixed-Point Digital Signal Processor 532-FCBGA |
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