Typical operating characteristics (continued) – Rainbow Electronics MAX5083 User Manual
Page 6
MAX5082/MAX5083
1.5A, 40V, MAXPower Step-Down
DC-DC Converters
6
_______________________________________________________________________________________
Typical Operating Characteristics (continued)
(V
IN
= 12V, see Figure 5 (MAX5082) and Figure 6 (MAX5083), T
A
= +25°C, unless otherwise noted.)
EFFICIENCY vs. LOAD CURRENT
MAX5082/3 toc13b
LOAD CURRENT (A)
EFFICIENCY (%)
0.1
0.01
20
30
40
50
60
70
80
90
100
0
0.001
10
1
V
IN
= 40V,
V
OUT
= 5V
MAX5083
V
IN
= 24V,
V
OUT
= 5V
V
IN
= 12V,
V
OUT
= 5V
V
IN
= 7.5V,
V
OUT
= 5V
LOAD-TRANSIENT RESPONSE
MAX5082/3 toc14
V
OUT
AC-COUPLED
200m/V/div
I
LOAD
1A/div
200
µs/div
V
IN
= 12V, I
OUT
= 0.5A TO 1.5A
MAX5082
0
LX VOLTAGE AND INDUCTOR CURRENT
MAX5082/3 toc15
I
LOAD
= 40mA
INDUCTOR
CURRENT
200mA/div
V
LX
5V/div
2
µs/div
LX VOLTAGE AND INDUCTOR CURRENT
MAX5082/3 toc16
V
LX
5V/div
INDUCTOR CURRENT
100mA/div
2
µs/div
I
LOAD
= 140mA
0
LX VOLTAGE AND INDUCTOR CURRENT
MAX5082/3 toc17
V
LX
5V/div
INDUCTOR CURRENT
500mA/div
2
µs/div
I
LOAD
= 1A
0