Typical operating characteristics (continued) – Rainbow Electronics MAX15041 User Manual
Page 6
MAX15041
Low-Cost, 3A, 4.5V to 28V Input, 350kHz, PWM
Step-Down DC-DC Regulator with Internal Switches
6
_______________________________________________________________________________________
STARTUP INTO PREBIASED OUTPUT
MAX15041 toc17
I
L
2A/div
V
EN
5V/div
V
OUT
2V/div
I
OUT
2A/div
400µs/div
STARTUP INTO PREBIASED OUTPUT
MAX15041 toc18
I
L
5A/div
V
EN
5V/div
V
OUT
2V/div
I
OUT
5A/div
400µs/div
MAXIMUM LOAD CURRENT
vs. AMBIENT TEMPERATURE
MAX15041 toc19
AMBIENT TEMPERATURE (NC)
MAXIMUM LOAD CURRENT (A)
75
65
55
45
35
25
15
2.2
2.4
2.6
2.8
3.0
3.2
2.0
5
85
V
IN
= 5V
T
J
P +150NC
V
OUT
= 1.8V
V
OUT
= 2.5V
V
OUT
= 3.3V
V
OUT
= 1.2V
MAXIMUM LOAD CURRENT
vs. AMBIENT TEMPERATURE
MAX15041 toc20
AMBIENT TEMPERATURE (NC)
MAXIMUM LOAD CURRENT (A)
75
65
55
45
35
25
15
2.2
2.4
2.6
2.8
3.0
3.2
2.0
5
85
V
IN
= 12V
T
J
P +150NC
V
OUT
= 1.2V
V
OUT
= 1.8V
V
OUT
= 2.5V
V
OUT
= 3.3V
MAXIMUM LOAD CURRENT
vs. AMBIENT TEMPERATURE
MAX15041 toc21
AMBIENT TEMPERATURE (NC)
MAXIMUM LOAD CURRENT (A)
75
65
55
45
35
25
15
2.2
2.4
2.6
2.8
3.0
3.2
2.0
5
85
V
IN
= 28V
T
J
P +150NC
V
OUT
= 1.8V
V
OUT
= 2.5V
V
OUT
= 3.3V
V
OUT
= 1.2V
Typical Operating Characteristics (continued)
(V
IN
= 12V, V
OUT
= 3.3V, C
VDD
= 1µF, C
IN
= 22µF, T
A
= +25°C, circuit of Figure 3 (see Table 1 for values), unless otherwise specified.)
SOFT-START TIME
vs. CAPACITANCE
MAX15041 toc16
C
SS
(nF)
SOFT-START TIME (ms)
100
10
1
10
100
1000
0.1
1
1000