Typical operating characteristics (continued) – Rainbow Electronics MAX5081 User Manual
Page 6
Typical Operating Characteristics (continued)
(V
IN
= 12V, see Figure 5 (MAX5080) and Figure 6 (MAX5081), T
A
= +25°C, unless otherwise noted.)
MAX5080/MAX5081
1A, 40V, MAXPower Step-Down
DC-DC Converters
6
_______________________________________________________________________________________
EFFICIENCY vs. LOAD CURRENT
MAX5080 toc16
LOAD CURRENT (A)
EFFICIENCY (%)
0.1
0.01
20
30
40
50
60
70
80
90
100
0
0.001
1
V
OUT
= 5V
V
IN
= 12V
V
IN
= 7.5V
V
IN
= 40V
V
IN
= 24V
MAX5081
LOAD-TRANSIENT RESPONSE
MAX5080 toc17
V
IN
= 12V, I
OUT
= 0.25A TO 1A
MAX5080
V
OUT
AC-COUPLED
200mV/div
I
LOAD
500mA/div
200
µs/div
0
OUTPUT VOLTAGE vs. TEMPERATURE
MAX5080 toc14
TEMPERATURE (
°C)
OUTPUT VOLTAGE (V)
110
85
35
60
10
-15
3.22
3.24
3.26
3.28
3.30
3.32
3.34
3.36
3.38
3.40
3.20
-40
135
MAX5080
I
LOAD
= 0A
I
LOAD
= 1A
EFFICIENCY vs. LOAD CURRENT
MAX5080 toc15
LOAD CURRENT (A)
EFFICIENCY (%)
0.1
0.01
20
30
40
50
60
70
80
90
100
0
0.001
1
V
OUT
= 3.3V
V
IN
= 4.5V
V
IN
= 7.5V
V
IN
= 40V
MAX5080
V
IN
= 24V
V
IN
= 12V