MAX15035 Datasheet, PDF (8/27 Pages) Maxim Integrated Products – 15A Step-Down Regulator with Internal Switches

15A Step-Down Regulator with Internal Switches
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.)
SOFT-START WAVEFORM
(HEAVY LOAD)
MAX15035 toc18
5V
A
0
5V
B
0
1.5V
C
0
8A
D
0
SOFT-START WAVEFORM
(LIGHT LOAD)
MAX15035 toc19
5V
A
0
5V
B
0
1.5V
C
0
1A
D
0
A. EN, 5V/div
B. PGOOD, 5V/div
I_OUT = 8A
200µs/div
C. V_OUT, 1V/div
B. INDUCTOR CURRENT,
10A/div
A. EN, 5V/div
B. PGOOD, 5V/div
I_OUT = 1A
200µs/div
C. V_OUT, 1V/div
B. INDUCTOR CURRENT,
10A/div
SHUTDOWN WAVEFORM
MAX15035 toc20
5V
A
0
5V
B
0
1.5V
C
0
8A
D
0
A. EN, 5V/div
B. PGOOD, 5V/div
I_OUT = 6A
200µs/div
C. V_OUT, 1V/div
B. INDUCTOR CURRENT,
5A/div
LOAD-TRANSIENT RESPONSE
(PWM MODE)
MAX15035 toc21
8A
A
1A
1.5V
B
8A
C
0A
20µs/div
A. I_OUT, 10A/div
I_OUT = 1A TO 8A TO 1A
B. V_OUT, 20mV/div
C. INDUCTOR CURRENT,
5A/div
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