Typical operating characteristics – Rainbow Electronics MAX5090C User Manual
Page 4
MAX5090A/B/C
2A, 76V, High-Efficiency MAXPower Step-Down
DC-DC Converters
4
_______________________________________________________________________________________
Typical Operating Characteristics
(V
IN
= 12V, V
ON/OFF
=12V, T
A
= T
J
= -40°C to +125°C, unless otherwise noted. Typical values are at T
A
= +25°C. See the Typical
Operating Circuit, if applicable.)
3.20
3.24
3.22
3.28
3.26
3.32
3.30
3.34
3.38
3.36
3.40
-50
0
25
-25
50
75
100 125 150
V
OUT
vs. TEMPERATURE
(MAX5090AATE, V
OUT
= 3.3V)
MAX5090 toc01
AMBIENT TEMPERATURE (
°C)
V
OUT
(V)
I
OUT
= 0
I
OUT
= 2A
4.85
4.90
4.95
5.00
5.05
5.10
5.15
-50
0
-25
25
50
75
100 125 150
V
OUT
vs. TEMPERATURE
(MAX5090BATE, V
OUT
= 5V)
MAX5090 toc02
AMBIENT TEMPERATURE (
°C)
V
OUT
(V)
I
OUT
= 0
I
OUT
= 2
3.20
3.26
3.24
3.22
3.30
3.28
3.38
3.36
3.34
3.32
3.40
6.5
16
26
36
46
56
66
76
LINE REGULATION
(MAX5090AATE, V
OUT
= 3.3V)
MAX5090 toc03
V
IN
(V)
V
OUT
(V)
I
OUT
= 0
I
OUT
= 2A
4.85
4.95
4.90
5.05
5.00
5.10
5.15
6.5
36
46
16
26
56
66
76
LINE REGULATION
(MAX5090BATE, V
OUT
= 5V)
MAX5090 toc04
V
IN
(V)
V
OUT
(V)
I
OUT
= 0
I
OUT
= 2A
I
LOAD
(mA)
V
OUT
(V)
LOAD REGULATION
(MAX5090AATE, V
OUT
= 3.3V)
3.38
3.40
3.32
3.34
3.36
0.1
1
10
100
1000
10,000
MAX5090 toc05
3.28
3.30
3.22
3.24
3.26
3.20
V
IN
= 76V
V
IN
= 24V
V
IN
= 6.5V
I
LOAD
(mA)
V
OUT
(V)
LOAD REGULATION
(MAX5090BATE, V
OUT
= 5V)
5.15
5.10
5.05
5.00
MAX5090 toc06
4.95
4.90
4.85
0.1
1
10
100
1000
10,000
V
IN
= 24V
V
IN
= 76V
V
IN
= 6.5V
0
30
20
10
40
50
60
70
80
90
100
0
800
400
1200
1600
2000
EFFICIENCY vs. LOAD CURRENT
(MAX5090AATE, VOUT = 3.3V)
MAX5090 toc07
LOAD CURRENT (mA)
EFFICIENCY (%)
V
IN
= 76V
V
IN
= 48V
V
IN
= 24V
V
IN
= 12V
V
IN
= 6.5V
0
30
20
10
40
50
60
70
80
90
100
0
800
400
1200
1600
2000
EFFICIENCY vs. LOAD CURRENT
(MAX5090BATE, V
OUT
= 5V)
MAX5090 toc08
LOAD CURRENT (mA)
EFFICIENCY (%)
V
IN
= 6.5V
V
IN
= 76V
V
IN
= 48V
V
IN
= 24V
V
IN
= 12V
1.0
1.5
2.0
2.5
3.0
3.5
4.0
-50
0
-25
25
50
75
100 125 150
OUTPUT CURRENT LIMIT vs. TEMPERATURE
(MAX5090AATE)
MAX5090 toc09
AMBIENT TEMPERATURE (
°C)
OUTPUT CURRENT LIMIT (A)
V
OUT
= 3.3V
5% DROP IN V
OUT
PULSED OUTPUT LOAD