MAX15041 Maxim Integrated Products, MAX15041 Datasheet - Page 5

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

(V
Step-Down DC-DC Regulator with Internal Switches
IN
= 12V, V
16
15
14
13
12
11
10
0
L = 4.7FH
I
LOAD
OUT
Low-Cost, 3A, 4.5V to 28V Input, 350kHz, PWM
5
INPUT SUPPLY CURRENT
= 0A
vs. INPUT VOLTAGE
SWITCHING WAVEFORMS
SHUTDOWN WAVEFORMS
= 3.3V, C
INPUT VOLTAGE (V)
10
_______________________________________________________________________________________
100µs/div
15
1µs/div
VDD
20
= 1µF, C
25
MAX15041 toc12
MAX15041 toc14
IN
= 22µF, T
V
10V/div
I
2A/div
V
AC-COUPLED
50mV/div
V
5V/div
V
2V/div
I
2A/div
V
5V/div
L
L
EN
OUT
PGOOD
LX
OUT
Typical Operating Characteristics (continued)
10
9
8
7
6
5
4
3
2
1
0
A
0
= +25°C, circuit of Figure 3 (see Table 1 for values), unless otherwise specified.)
5
SHUTDOWN CURRENT
vs. INPUT VOLTAGE
INPUT VOLTAGE (V)
10
15
20
25
OUTPUT SHORT-CIRCUIT WAVEFORMS
SOFT-START WAVEFORMS
4.0
3.5
3.0
2.5
2.0
1.5
1.0
-40
400µs/div
10µs/div
-15
SHUTDOWN CURRENT
vs. TEMPERATURE
TEMPERATURE (NC)
www.DataSheet4U.com
10
MAX15041 toc13
MAX15041 toc15
35
V
2V/div
I
5A/div
I
5A/div
V
2V/div
V
5V/div
V
2V/div
I
2A/div
V
5V/div
IN
L
L
OUT
SS
EN
OUT
PGOOD
60
85
5