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D52LC Arkusz danych(PDF) 4 Page - Maxim Integrated Products

Numer części D52LC
Szczegółowy opis  16μA IQ,, 1.2A PWM Step-Down DC-DC Converters
PDF  12 Pages
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Producent  MAXIM [Maxim Integrated Products]
Strona internetowa  https://www.maximintegrated.com/en.html
Logo MAXIM - Maxim Integrated Products

D52LC Arkusz danych(HTML) 4 Page - Maxim Integrated Products

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16µA IQ, 1.2A PWM DC-DC
Step-Down Converters
4
_______________________________________________________________________________________
Typical Operating Characteristics
(VIN = VINP = 3.6V, D1 = D2 = SHDN = IN, Circuits of Figures 2 and 3, TA = +25°C, unless otherwise noted.)
EFFICIENCY vs. LOAD CURRENT
WITH 3.3V OUTPUT
LOAD CURRENT (mA)
100
10
1
60
70
80
90
100
50
40
0.1
1000
10,000
VIN = 5V
VIN = 3.6V
VIN = 4.2V
EFFICIENCY vs. LOAD CURRENT
WITH 2.5V OUTPUT
LOAD CURRENT (mA)
100
10
1
60
70
80
90
100
50
40
0.1
1000
10,000
VIN = 3.6V
VIN = 3V
VIN = 2.6V
VIN = 5V
EFFICIENCY vs. LOAD CURRENT
WITH 1.8V OUTPUT
LOAD CURRENT (mA)
100
10
1
60
70
80
90
100
50
40
0.1
1000
10,000
VIN = 5V
VIN = 3.6V
VIN = 3V
VIN = 2.6V
EFFICIENCY vs. LOAD CURRENT
WITH 1.0V OUTPUT (MAX1557)
LOAD CURRENT (mA)
100
10
1
60
70
80
90
100
50
40
0.1
1000
VIN = 5V
VIN = 3.6V
VIN = 3V
VIN = 2.6V
OUTPUT VOLTAGE
vs. LOAD CURRENT
LOAD CURRENT (mA)
1000
800
600
400
200
1.75
1.76
1.77
1.78
1.79
1.80
1.81
1.82
1.83
1.84
1.74
0
1200
TA = -45
°C
TA = +25
°C
TA = +85
°C
OUTPUT VOLTAGE vs. INPUT VOLTAGE
WITH 600mA LOAD
INPUT VOLTAGE (V)
5.0
4.5
4.0
3.5
3.0
1.780
1.781
1.782
1.783
1.784
1.785
1.786
1.787
1.788
1.789
1.779
2.5
5.5
TA = -40
°C
TA = +25
°C
TA = +85
°C
OUTPUT VOLTAGE vs. INPUT VOLTAGE
WITH NO LOAD
INPUT VOLTAGE (V)
5.0
4.5
4.0
3.5
3.0
1.804
1.805
1.806
1.807
1.808
1.809
1.810
1.811
1.812
1.803
2.5
5.5
TA = -40
°C
TA = +25
°C
TA = +85
°C
SUPPLY CURRENT vs. INPUT VOLTAGE
INPUT VOLTAGE (V)
5
4
3
2
2
4
6
8
10
12
14
16
18
20
0
16
HEAVY-LOAD SWITCHING WAVEFORMS
MAX1556/7 toc09
VOUT
AC-COUPLED
10mV/div
VLX
ILX
2V/div
0
0
400ns
500mA/div
ILOAD = 750mA



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