MAX5043ETN Maxim Integrated Products, MAX5043ETN Datasheet - Page 8

• Manufacturer Part Number: MAX5043ETN
• Description: Switching Converters, Regulators & Controllers Two-Switch Power IC w/Power MOSFET
• Manufacturer: Maxim Integrated Products

Two-Switch Power ICs with Integrated
Power MOSFETs and Hot-Swap Controller
(V
8
POSINPWM
5.02
5.01
5.00
4.99
4.98
4.97
_______________________________________________________________________________________
9.30
9.25
9.20
9.15
9.10
9.05
9.00
50
49
48
47
46
-50
20
0
V
V
POSINPWM
REG15
-25
= 20V, T
vs. REG9 LOAD CURRENT
MAXIMUM DUTY CYCLE
= 20V
REG5 OUTPUT VOLTAGE
REG9 LOAD CURRENT (mA)
10
25
vs. REG15 VOLTAGE
vs. TEMPERATURE
= 48V
0
TEMPERATURE (°C)
REG15 VOLTAGE (V)
REG9 VOLTAGE
A
25
= +25°C, unless otherwise noted.)
MEASURED AT XFRMRL
20
30
50
75
35
30
100
125
40
40
Typical Operating Characteristics (continued)
15.0
14.8
14.6
14.4
14.2
14.0
9.4
9.3
9.2
9.1
9.0
33
32
31
30
29
28
27
-50
20
0
V
POSINPWM
-25
vs. REG15 LOAD CURRENT
REG9 OUTPUT VOLTAGE
SOFT-START CURRENT
REG15 LOAD CURRENT (mA)
20
25
vs. REG15 VOLTAGE
vs. TEMPERATURE
= 48V
0
REG15 VOLTAGE
REG15 VOLTAGE (V)
TEMPERATURE (°C)
25
40
30
50
75
60
35
100
125
80
40
15.0
14.9
14.8
14.7
14.6
14.5
14.4
14.3
3.0
2.5
2.0
1.5
1.0
0.5
5.1
5.0
4.9
4.8
4.7
0
20
-50
MINIMUM RCFF LEVEL, MINIMUM OPTO
0
REG15 VOLTAGE vs. INPUT VOLTAGE
I
RCFF = 2mA, CSS = 0
V
PULLUP
REG15
-25
30
V
LEVEL vs. TEMPERATURE
vs. REG5 LOAD CURRENT
OPTO
= 20V
4
INTO OPTO AND
REG5 LOAD CURRENT (mA)
0
INPUT VOLTAGE (V)
TEMPERATURE (°C)
40
REG5 VOLTAGE
8
25
V
RCFF
50
50
12
60
75
16
70
100
125
80
20