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MAX1970EEE Datasheet(PDF) 7 Page - Maxim Integrated Products

Part # MAX1970EEE
Description  Dual, 180째 Out-of-Phase, 1.4MHz, 750mA Step- Down Regulator with POR and RSI/PFO
PDF  20 Pages
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Manufacturer  MAXIM [Maxim Integrated Products]
Direct Link  https://www.maximintegrated.com/en.html
Logo MAXIM - Maxim Integrated Products

MAX1970EEE Datasheet(HTML) 7 Page - Maxim Integrated Products

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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
LOAD CURRENT (A)
40
30
60
70
50
80
90
VOUT2 = 2.5V
VOUT1 = 3.3V
MAX1970/
MAX1972
VIN = 5.0V
VOUT1 = 1.8V
VOUT2 = 1.5V
100
0
0.01
0.1
1
EFFICIENCY vs. LOAD CURRENT
20
10
LOAD CURRENT (A)
40
30
60
70
50
80
90
VOUT2 = 2.5V
VOUT1 = 3.3V
MAX1971
VIN = 5.0V
VOUT1 = 1.8V
VOUT2 = 1.5V
100
0
0.01
0.1
1
EFFICIENCY vs. LOAD CURRENT
20
10
LOAD CURRENT (A)
40
30
60
70
50
80
90
VOUT2 = 2.5V
MAX1970/
MAX1972
VIN = 3.3V
VOUT1 = 1.8V
VOUT2 = 1.5V
100
0
0.01
0.1
1
EFFICIENCY vs. LOAD CURRENT
20
10
LOAD CURRENT (A)
40
30
60
70
50
80
90
VOUT2 = 2.5V
MAX1971
VIN = 3.3V
VOUT1 = 1.8V
VOUT2 = 1.5V
500
0
0
400
800
700
600
500
300
200
100
INPUT CURRENT vs. OUTPUT CURRENT
100
50
OUTPUT CURRENT (mA)
200
150
300
350
250
400
450
VOUT1 = 3.3V
VIN = 5.0V
VOUT2 = 2.5V
VOUT1 = 1.8V
VOUT2 = 1.5V
MAX1970/MAX1972
1.22
1.17
010
20
15
5
REFERENCE VOLTAGE vs.
REFERENCE LOAD CURRENT
1.18
REFERENCE LOAD CURRENT (
µA)
1.19
1.20
1.21
1.60
0.40
2.5
4.0
5.5
5.0
4.5
3.5
3.0
OSCILLATOR FREQUENCY
vs. INPUT VOLTAGE
0.60
INPUT VOLTAGE (V)
0.80
1.20
1.00
1.40
TA = +85
°C
MAX1970/MAX1972
TA = +25
°C
TA = -40
°C
TA = +85
°C
MAX1971
TA = +25
°C
TA = -40
°C
3
-3
0
400
800
600
200
CHANGE IN OUTPUT VOLTAGE
vs. LOAD CURRENT
-2
LOAD CURRENT (mA)
-1
1
0
2
VOUT1 = 3.3V
VOUT1 = 1.8V
VOUT2 = 1.5V
VOUT2 = 2.5V
VIN = 5.0V
MAX1970/MAX1972
Typical Operating Characteristics
(TA = +25°C, unless otherwise noted.)



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