Typical operating characteristics (continued) – Rainbow Electronics MAX5090C User Manual
Page 5
MAX5090A/B/C
2A, 76V, High-Efficiency MAXPower Step-Down
DC-DC Converters
_______________________________________________________________________________________
5
Typical Operating Characteristics (continued)
(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.)
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
(MAX5090BATE)
MAX5090 toc010
AMBIENT TEMPERATURE (
°C)
OUTPUT CURRENT LIMIT (A)
V
OUT
= 5V
5% DROP IN V
OUT
PULSED OUTPUT LOAD
1.0
3.0
2.0
5.0
4.0
6.0
7.0
6.5
36
46
16
26
56
66
76
OUTPUT CURRENT LIMIT vs. INPUT VOLTAGE
(MAX5090AATE)
MAX5090 toc11
INPUT VOLTAGE (V)
OUTPUT CURRENT LIMIT (A)
V
OUT
= 3.3V
5% DROP IN V
OUT
PULSED OUTPUT LOAD
1.0
3.0
2.0
5.0
4.0
6.0
7.0
6.5
36
46
16
26
56
66
76
OUTPUT CURRENT LIMIT vs. INPUT VOLTAGE
(MAX5090BATE)
MAX5090 toc12
INPUT VOLTAGE (V)
OUTPUT CURRENT LIMIT (A)
V
OUT
= 5V
5% DROP IN V
OUT
PULSED OUTPUT LOAD
300
350
400
450
500
550
600
-50
0
-25
25
50
75
100 125 150
NO-LOAD SUPPLY CURRENT vs. TEMPERATURE
(MAX5090AATE)
MAX5090 toc13
AMBIENT TEMPERATURE (
°C)
NO-LOAD SUPPLY CURRENT (
µ
A)
V
OUT
= 3.3V
300
400
350
500
450
550
600
6.5
36
46
16
26
56
66
76
NO-LOAD SUPPLY CURRENT vs. INPUT VOLTAGE
(MAX5090AATE)
MAX5090 toc14
INPUT VOLTAGE (V)
NO-LOAD SUPPLY CURRENT
V
OUT
= 3.3V
10
14
22
18
26
30
-50
0
25
-25
50
100 125 150 175
SHUTDOWN CURRENT vs. TEMPERATURE
(MAX5090AATE)
MAX5090 toc15
AMBIENT TEMPERATURE (
°C)
SHUTDOWN CURRENT (
µ
A)
V
OUT
= 3.3V
0
10
5
25
20
15
40
35
30
45
6.5
36
46
16
26
56
66
76
SHUTDOWN CURRENT
vs. INPUT VOLTAGE
MAX5090 toc16
INPUT VOLTAGE (V)
SHUTDOWN CURRENT (
µ
A)
V
OUT
= 3.3V
0
3
6
9
11
13
5
9
10
7
8
6
11 11.5 12 12.5 13
OUTPUT VOLTAGE
vs. INPUT VOLTAGE
MAX5090 toc17
V
IN
(V)
V
OUT
(V)
I
OUT
= 0A
I
OUT
= 1A
I
OUT
= 2A
MAX5090CATE
V
OUT
= 11V
V
ON/OFF
= V
IN
MAX5090 toc18
LOAD-TRANSIENT RESPONSE
(MAX5090AATE)
V
OUT
= 3.3V
A: V
OUT
, 200mV/div, AC-COUPLED
B: I
OUT
, 1A/div, 1A TO 2A
400
µs/div
A
B