MAX1630_05 Datasheet, PDF (5/29 Pages) Maxim Integrated Products – Multi-Output, Low-Noise Power-Supply Controllers for Notebook Computers

Multi-Output, Low-Noise Power-Supply
Controllers for Notebook Computers
__________________________________________Typical Operating Characteristics
(Circuit of Figure 1, 3A Table 1 components, T_A = +25°C, unless otherwise noted.)
EFFICIENCY vs. 5V OUTPUT CURRENT
100
V+ = 6V
90
V+ = 15V
80
70
EFFICIENCY vs. 3.3V OUTPUT CURRENT
100
V+ = 6V
90
80
V+ = 15V
70
MAX1632/MAX1635
MAXIMUM 15V V_DD OUTPUT
CURRENT vs. SUPPLY VOLTAGE
800
V_DD > 13V
5V REGULATING
600
5V LOAD = 0A
400
5V LOAD = 3A
60
50
0.001
ON5 = 5V
ON3 = 0V
f = 300kHz
MAX1631/MAX1634
0.01
0.1
1
10
5V OUTPUT CURRENT (A)
60
50
0.001
ON3 = ON5 = 5V
f = 300kHz
MAX1631/MAX1634
0.01
0.1
1
10
3.3V OUTPUT CURRENT (A)
200
0
0
5
10
15
20
SUPPLY VOLTAGE (V)
MAX1630/MAX1633
MAXIMUM 15V V_DD OUTPUT
CURRENT vs. SUPPLY VOLTAGE
500
V_DD > 13V
3.3V REGULATING
400
3.3V LOAD = 0A
300
200
PWM MODE INPUT CURRENT
vs. INPUT VOLTAGE
30
ON3 = ON5 = 5V
25
SKIP = VL
NO LOAD
20
15
10
IDLE MODE INPUT CURRENT
vs. INPUT VOLTAGE
10
ON3 = ON5 = 5V
SKIP = 0V
NO LOAD
1
0.1
100
3.3V LOAD = 3A
5
0
0
10,000
1000
5
10
15
20
SUPPLY VOLTAGE (V)
STANDBY INPUT CURRENT
vs. INPUT VOLTAGE
ON3 = ON5 = 0V
NO LOAD
100
10
1
0
5 10 15 20 25 30
INPUT VOLTAGE (V)
0
0
5 10 15 20 25 30
INPUT VOLTAGE (V)
SHUTDOWN INPUT CURRENT
vs. INPUT VOLTAGE
10
SHDN = 0V
8
6
4
2
0
0
5 10 15 20 25 30
INPUT VOLTAGE (V)
0.01
0
5 10 15 20 25 30
INPUT VOLTAGE (V)
MINIMUM V_IN TO V_OUT DIFFERENTIAL
vs. 5V OUTPUT CURRENT
1000
100
10
5V, 3A CIRCUIT
V_OUT > 4.8V
f = 300kHz
1
0.001
0.01
0.1
1
10
5V OUTPUT CURRENT (A)
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