Typical operating characteristics (continued) – Rainbow Electronics MAX5043 User Manual
Page 8
MAX5042/MAX5043
Two-Switch Power ICs with Integrated
Power MOSFETs and Hot-Swap Controller
8
_______________________________________________________________________________________
Typical Operating Characteristics (continued)
(V
POSINPWM
= 20V, T
A
= +25°C, unless otherwise noted.)
MAXIMUM DUTY CYCLE
vs. TEMPERATURE
MAX5042 toc09
TEMPERATURE (°C)
MAXIMUM DUTY CYCLE (%)
100
75
50
25
0
-25
47
48
49
50
46
-50
125
MEASURED AT XFRMRL
REG15 VOLTAGE
vs. REG15 LOAD CURRENT
MAX5042 toc10
REG15 LOAD CURRENT (mA)
V
REG15
(V)
60
40
20
14.2
14.4
14.6
14.8
15.0
14.0
0
80
REG15 VOLTAGE vs. INPUT VOLTAGE
MAX5042 toc11
INPUT VOLTAGE (V)
V
REG15
(V)
70
60
50
40
30
14.4
14.5
14.6
14.7
14.8
14.9
15.0
14.3
20
80
REG9 VOLTAGE
vs. REG9 LOAD CURRENT
MAX5042 toc12
REG9 LOAD CURRENT (mA)
V
REG9
(V)
30
20
10
9.05
9.10
9.15
9.20
9.25
9.30
9.00
0
40
V
REG15
= 20V
REG9 OUTPUT VOLTAGE
vs. REG15 VOLTAGE
MAX5042 toc13
REG15 VOLTAGE (V)
V
REG9
(V)
35
30
25
9.1
9.2
9.3
9.4
9.0
20
40
V
POSINPWM
= 48V
REG5 VOLTAGE
vs. REG5 LOAD CURRENT
MAX5042 toc14
REG5 LOAD CURRENT (mA)
V
REG5
(V)
16
12
8
4
4.8
4.9
5.0
5.1
4.7
0
20
V
REG15
= 20V
REG5 OUTPUT VOLTAGE
vs. REG15 VOLTAGE
MAX5042 toc15
REG15 VOLTAGE (V)
V
REG5
(V)
35
30
25
4.98
4.99
5.00
5.01
5.02
4.97
20
40
V
POSINPWM
= 48V
SOFT-START CURRENT
vs. TEMPERATURE
MAX5042 toc16
TEMPERATURE (°C)
SOFT-START CURRENT (
µ
A)
100
75
50
25
0
-25
28
29
30
31
32
33
27
-50
125
MINIMUM RCFF LEVEL, MINIMUM OPTO
LEVEL vs. TEMPERATURE
MAX5042 toc17
TEMPERATURE (°C)
V
OPTO
, V
RCFF
(V)
100
75
50
25
0
-25
0.5
1.0
1.5
2.0
2.5
3.0
0
-50
125
V
RCFF
V
OPTO
I
PULLUP
INTO OPTO AND
RCFF = 2mA, CSS = 0