Rainbow Electronics MAX5083 - 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