MAX15041 Maxim Integrated Products, MAX15041 Datasheet - Page 6

• Manufacturer Part Number: MAX15041
• Description: Step-Down DC-DC Regulator
• Manufacturer: Maxim Integrated Products

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