MAX8742EAI Maxim Integrated, MAX8742EAI Datasheet - Page 7

• Manufacturer Part Number: MAX8742EAI
• Description: Current & Power Monitors & Regulators
• Manufacturer: Maxim Integrated

(Circuit of Figure 1, Table 1, 6A/500kHz components, T
1000
0.01
100
100
100
0.1
500kHz Multi-Output Power-Supply Controllers
10
95
90
85
80
75
70
65
60
55
50
10
1
0.001
0.001
0
EFFICIENCY vs. 5V OUTPUT CURRENT
MINIMUM V
V+ = 6V
f = 333kHz
f = 500kHz
5
NO-LOAD INPUT CURRENT
vs. 5V OUTPUT CURRENT
0.01
0.01
5V OUTPUT CURRENT (A)
vs. INPUT VOLTAGE
5V OUTPUT CURRENT (A)
SKIP = V
10
INPUT VOLTAGE (V)
IN
V+ = 15V
TO V
SKIP = 0V
_______________________________________________________________________________________
L
0.1
15
0.1
OUT
DIFFERENTIAL
ON5 = ON3 = 5V
NO LOAD
20
V
1
OUT
1
ON5 = 5V
ON3 = 0V
f = 500kHz
MAX8741
MAX8741/42 toc07
25
> 4.8V
with High Impedance in Shutdown
10
30
10
10,000
1000
1000
100
100
100
0.1
95
90
85
80
75
70
65
60
55
10
10
50
1
1
0.001
0.001
EFFICIENCY vs. 3.3V OUTPUT CURRENT
0
A
5V, V
V+ = 6V
= +25°C, unless otherwise noted.)
V+ STANDBY INPUT CURRENT
IN
5
0.01
SWITCHING FREQUENCY
= 15V
0.01
3.3V OUTPUT CURRENT (A)
vs. INPUT VOLTAGE
vs. LOAD CURRENT
INPUT VOLTAGE (V)
LOAD CURRENT (A)
10
3.3V, V
V+ = 15V
5V, V
0.1
0.1
15
IN
Typical Operating Characteristics
= 15V
IN
3.3V, V
= 6.5V
ON5 = ON3 = 5V
f = 500kHz
MAX8741
ON5 = ON3 = 0V
NO LOAD
20
IN
1
1
= 6.5V
25
10
30
10
5.00
4.98
4.96
4.94
4.92
4.90
800
600
400
200
10
0
8
6
4
2
0
0
0
0
SHDN = 0V
MAXIMUM V
V
L
SHUTDOWN INPUT CURRENT
REGULATOR OUTPUT VOLTAGE
5
10
vs. OUTPUT CURRENT
5
vs. INPUT VOLTAGE
vs. INPUT VOLTAGE
OUTPUT CURRENT (mA)
INPUT VOLTAGE (V)
INPUT VOLTAGE (V)
5V LOAD = 0
10
20
DD
OUTPUT CURRENT
10
15
V
ON3 = ON5 = 0V
30
IN
5V LOAD = 3A
= 15V
20
15
40
25
50
30
20
7