MAX1537AETX データシートの表示（PDF） - Maxim Integrated
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MAX1537AETX
Maxim Integrated
MAX1537AETX Datasheet PDF : 38 Pages
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High-Efficiency, 5x Output, Main Power-Supply
Controllers for Notebook Computers
Typical Operating Characteristics
(MAX1537A circuit of Figure 1, VIN = 12V, LDO5 = VCC = 5V, SKIP = GND, FSEL = REF, TA = +25°C, unless otherwise noted.)
PWM5 EFFICIENCY vs. LOAD CURRENT
(VOUT5 = 5.0V)
100
90
80
VIN = 7V
70
60
50
0.01
VIN = 12V
VIN = 20V
SKIP = GND
SKIP = VCC
0.1
1
10
LOAD CURRENT (A)
PWM3 EFFICIENCY vs. LOAD CURRENT
(VOUT3 = 3.3V)
100
90
80
VIN = 5V
70
VIN = 12V
60
50
0.01
VIN = 20V
SKIP = GND
SKIP = VCC
0.1
1
10
LOAD CURRENT (A)
NO-LOAD SUPPLY CURRENT
vs. INPUT VOLTAGE (FULLY ENABLED)
32
ON3 = ON5 = VCC
28
24
20
16 SKIP = GND
SKIP = VCC
12
8
4
0.22mA (VIN = 12V)
0
0 5 10 15 20 25 30
INPUT VOLTAGE (V)
5V OUTPUT VOLTAGE (OUT5)
vs. LOAD CURRENT
5.12
SKIP = GND
5.08
SKIP = VCC
5.04
5.00
4.96
4.92
4.88
0123456
LOAD CURRENT (A)
3.3V OUTPUT VOLTAGE (OUT3)
vs. LOAD CURRENT
3.39
SKIP = GND
3.36
SKIP = VCC
3.33
3.30
3.27
3.24
3.21
0123456
LOAD CURRENT (A)
NO-LOAD SUPPLY CURRENT
vs. INPUT VOLTAGE (STANDBY MODE)
1.0
ON3 = ON5 = GND
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
0 5 10 15 20 25 30
INPUT VOLTAGE (V)
5V OUTPUT VOLTAGE (OUT5)
vs. INPUT VOLTAGE
5.12
NO LOAD
5.08
5.04
5.00
4.96
4.92
4.88
5
SKIP = GND
SKIP = VCC
10
15
20
25
30
INPUT VOLTAGE (V)
3.3V OUTPUT VOLTAGE (OUT3)
vs. INPUT VOLTAGE
3.39
NO LOAD
3.36
3.33
3.30
3.27
3.24
3.21
5
SKIP = GND
SKIP = VCC
10
15
20
25
30
INPUT VOLTAGE (V)
SHUTDOWN SUPPLY CURRENT
vs. INPUT VOLTAGE
10
SHDN = GND
8
6
4
2
0
0 5 10 15 20 25 30
INPUT VOLTAGE (V)
_______________________________________________________________________________________ 9
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