Multi-Output, Low-Noise Power-Supply
Controllers for Notebook Computers
MAX1630–MAX1635
__________________________________________Typical Operating Characteristics
(Circuit of Figure 1, 3A Table 1 components, T
A
= +25°C, unless otherwise noted.)
MAX1632/MAX1635
MAXIMUM 15V V
DD
OUTPUT
CURRENT vs. SUPPLY VOLTAGE
V
DD
> 13V
5V REGULATING
600
5V LOAD = 0A
MAX 1630/35-03
MAX1630/35-02
EFFICIENCY vs. 5V OUTPUT CURRENT
V+ = 6V
MAX1630/35-01
EFFICIENCY vs. 3.3V OUTPUT CURRENT
100
V+ = 6V
90
EFFICIENCY (%)
800
MAXIMUM OUTPUT CURRENT (mA)
100
90
EFFICIENCY (%)
V+ = 15V
80
80
V+ = 15V
70
ON3 = ON5 = 5V
f = 300kHz
MAX1631/MAX1634
0.001
0.01
0.1
1
10
400
5V LOAD = 3A
200
70
ON5 = 5V
ON3 = 0V
f = 300kHz
MAX1631/MAX1634
0.001
0.01
0.1
1
10
60
60
50
5V OUTPUT CURRENT (A)
50
3.3V OUTPUT CURRENT (A)
0
0
5
10
SUPPLY VOLTAGE (V)
15
20
MAX1630/MAX1633
MAXIMUM 15V V
DD
OUTPUT
CURRENT vs. SUPPLY VOLTAGE
MAX 1630/35-04
PWM MODE INPUT CURRENT
vs. INPUT VOLTAGE
MAX1630/35-05
IDLE MODE INPUT CURRENT
vs. INPUT VOLTAGE
ON3 = ON5 = 5V
SKIP = 0V
NO LOAD
INPUT CURRENT (mA)
1
MAX1630/35-06
500
MAXIMUM OUTPUT CURRENT (mA)
V
DD
> 13V
3.3V REGULATING
400
3.3V LOAD = 0A
300
30
25
INPUT CURRENT (mA)
20
15
10
5
0
ON3 = ON5 = 5V
SKIP = VL
NO LOAD
10
200
3.3V LOAD = 3A
0.1
100
0
0
5
10
SUPPLY VOLTAGE (V)
15
20
0.01
0
5
10
15
20
25
30
0
5
10
15
20
25
30
INPUT VOLTAGE (V)
INPUT VOLTAGE (V)
STANDBY INPUT CURRENT
vs. INPUT VOLTAGE
ON3 = ON5 = 0V
NO LOAD
INPUT CURRENT (μA)
1000
MAX1630/35-07
SHUTDOWN INPUT CURRENT
vs. INPUT VOLTAGE
MAX1630/35-08
MINIMUM V
IN
TO V
OUT
DIFFERENTIAL
vs. 5V OUTPUT CURRENT
MIN V
IN
TO V
OUT
DIFFERENTIAL (mV)
MAX1630/35-09
10,000
10
SHDN = 0V
8
INPUT CURRENT (μA)
1000
100
6
100
4
10
5V, 3A CIRCUIT
V
OUT
> 4.8V
f = 300kHz
1
0.001
0.01
0.1
1
10
10
2
1
0
5
10
15
20
25
30
INPUT VOLTAGE (V)
0
0
5
10
15
20
25
30
INPUT VOLTAGE (V)
5V OUTPUT CURRENT (A)
_______________________________________________________________________________________
5
MAXIM [ MAXIM INTEGRATED PRODUCTS ]
