Datasheet

MAX15035
15A Step-Down Regulator with Internal Switches
8 _______________________________________________________________________________________
SOFT-START WAVEFORM
(HEAVY LOAD)
MAX15035 toc18
200µs/div
C. V
OUT
, 1V/div
B. INDUCTOR CURRENT,
10A/div
1.5V
8A
0
5V
0
0
0
5V A
B
C
D
A. EN, 5V/div
B. PGOOD, 5V/div
I
OUT
= 8A
SOFT-START WAVEFORM
(LIGHT LOAD)
MAX15035 toc19
200µs/div
C. V
OUT
, 1V/div
B. INDUCTOR CURRENT,
10A/div
1.5V
0
5V
0
0
0
1A
5V A
B
C
D
A. EN, 5V/div
B. PGOOD, 5V/div
I
OUT
= 1A
SHUTDOWN WAVEFORM
MAX15035 toc20
200µs/div
C. V
OUT
, 1V/div
B. INDUCTOR CURRENT,
5A/div
A
B
C
D
A. EN, 5V/div
B. PGOOD, 5V/div
I
OUT
= 6A
1.5V
0
5V
0
0
0
8A
5V
LOAD-TRANSIENT RESPONSE
(PWM MODE)
MAX15035 toc21
20µs/div
B. V
OUT
, 20mV/div
C. INDUCTOR CURRENT,
5A/div
8A
1A
1.5V
8A
0A
A
B
C
A. I
OUT
, 10A/div
I
OUT
= 1A TO 8A TO 1A
MAX15035
Typical Operating Characteristics (continued)
(MAX15035 Circuit of Figure 1, V
IN
= 12V, V
DD
= 5V, SKIP = GND, R
TON
= 200kΩ, T
A
= +25°C, unless otherwise noted.)