MAX710 데이터 시트보기 (PDF) - Maxim Integrated
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MAX710 Datasheet PDF : 12 Pages
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MAX710/MAX711
3.3V/5V or Adjustable,
Step-Up/Down DC-DC Converters
__________________________________________Typical Operating Characteristics
(TA = +25°C, unless otherwise noted.)
EFFICIENCY vs. OUTPUT CURRENT—
HIGH-EFFICIENCY MODE
(VOUT = 5V)
90
VIN = 5.6V
80
VIN = 3.6V
70
VIN = 2.5V
VIN = 1.8V
60
VIN = 1V
VOUT = 5V
N/E = GND
50
0.1
1
10
100
1000
OUTPUT CURRENT (mA)
EFFICIENCY vs. LOAD CURRENT—
HIGH-EFFICIENCY AND LOW-NOISE MODES
(VOUT = 5V)
90
N/E = GND
ILIM = 0.8A
80
ILIM = 1.5A
EFFICIENCY vs. OUTPUT CURRENT—
HIGH-EFFICIENCY MODE
(VOUT = 3.3V)
90
VIN = 2.5V
80
VIN = 1.8V
70
VIN = 1V
60
VOUT = 3.3V
N/E = GND
50
0.1
1
10
100
1000
OUTPUT CURRENT (mA)
EFFICIENCY vs. LOAD CURRENT—
HIGH-EFFICIENCY AND LOW-NOISE MODES
(VOUT = 3.3V)
90
HIGH-EFFICIENCY MODE
ILIM = 0.8A
80
ILIM = 1.5A
ILIM = 0.8A
MINIMUM START-UP INPUT VOLTAGE
vs. LOAD CURRENT
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0
0
VOUT = 5V
N/E = PS
50 100 150 200 250
LOAD CURRENT (mA)
NO-LOAD BATTERY CURRENT
vs. INPUT VOLTAGE
1600
N/E = GND
1400
1200
1000
70
60
50
0.1
N/E = PS
VOUT = 5V
VIN = 2.5V
1
10
100
1000
LOAD CURRENT (mA)
70
60
50
0.1
ILIM = 1.5A
LOW-NOISE MODE
VOUT = 3.3V
VIN = 2.5V
1
10
100
1000
LOAD CURRENT (mA)
800
ILIM = GND (1.5A)
600
400
200
ILIM = PS (0.8A)
0
0
2
4
6
8 10 12
INPUT VOLTAGE (V)
MAXIMUM OUTPUT CURRENT
vs. INPUT VOLTAGE
1000
ILIM = GND
ILIM = PS
100
N/E = GND
N/E = PS
10
1.0 1.2 1.4 1.6 1.8 2.0 2.2 2.4 2.6
INPUT VOLTAGE (V)
LINEAR-REGULATOR POWER-SUPPLY
REJECTION RATIO vs. FREQUENCY
60
55
50
45
40
35
30
25
20
15
10
0.01
0.1
1
10 100 1000
FREQUENCY (kHz)
SHUTDOWN CURRENT
vs. INPUT VOLTAGE
1.0
0.8
0.6
0.4
0.2
0
1 2 3 4 5 6 7 8 9 10 11
INPUT VOLTAGE (V)
4
Maxim Integrated
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